Sample viewer

vx.netlux.org/Trojan.DOS.Upgrader

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T23:15:28.1989844Z 9 PC: 12aef | Display string (String= 'Upgrade Commander v2.9 Copyright (c) 1994 Infiltrator ')
2018-12-17T23:15:28.201928717Z 67 PC: 12af7 | Get or set file attributes
2018-12-17T23:15:28.205270132Z 67 PC: 12b04 | Get or set file attributes
2018-12-17T23:15:30.400452527Z 61 PC: 12b09 | Open file (Filename = 'c:\command.com')
2018-12-17T23:15:30.408574218Z 87 PC: 12b15 | Get or set file date and time
2018-12-17T23:15:30.41038178Z 66 PC: 12b2a | Move file pointer
2018-12-17T23:15:30.412199356Z 66 PC: 12b3e | Move file pointer
2018-12-17T23:15:30.414149287Z 63 PC: 12b48 | Read file or device (Read 10 bytes on handle 5)
2018-12-17T23:15:30.417614013Z 66 PC: 12b6c | Move file pointer
2018-12-17T23:15:30.419297009Z 63 PC: 12b76 | Read file or device (Read 2 bytes on handle 5)
2018-12-17T23:15:30.422521406Z 66 PC: 12b8e | Move file pointer
2018-12-17T23:15:30.424694307Z 64 PC: 12b9d | Write file or device (Write 2 bytes on handle 5)
2018-12-17T23:15:30.428098029Z 42 PC: 12ba1 | Get date 0x12ba1: add dl, 7
0x12ba4: cmp dl, 0x1f
0x12ba7: jbe 0x12bb6
0x12ba9: sub dl, 0x1f
0x12bac: inc dh
0x12bae: cmp dh, 0xc
0x12bb1: jbe 0x12bb6
0x12bb3: inc cx
0x12bb4: mov dh, 1
0x12bb6: mov word ptr [0x2a3], cx
0x12bba: mov byte ptr [0x2a5], dh
0x12bbe: mov byte ptr [0x2a6], dl
0x12bc2: mov ax, 0x4200
0x12bc5: mov cx, 0
0x12bc8: add word ptr [0x179], 3
0x12bcd: mov dx, word ptr [0x179]
0x12bd1: int 0x21
0x12bd3: mov ah, 0x40
0x12bd5: mov cx, 0xc2
0x12bd8: mov dx, 0x2a0
2018-12-17T23:15:30.431057048Z 66 PC: 12bd3 | Move file pointer
2018-12-17T23:15:30.434312878Z 64 PC: 12bdd | Write file or device (Write 194 bytes on handle 5)
2018-12-17T23:15:30.437607512Z 9 PC: 12ca9 | Display string (String= ' Command.com successfully upgraded! ')
2018-12-17T23:15:30.443542003Z 87 PC: 12cb6 | Get or set file date and time
2018-12-17T23:15:30.445941657Z 62 PC: 12cbe | Close file
2018-12-17T23:15:30.491527618Z 67 PC: 12cca | Get or set file attributes
2018-12-17T23:15:30.570336963Z 76 PC: 12ccf | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":11,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":2663,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:46:08.381031031Z 9 PC: 12aef | Display string (String= 'Upgrade Commander v2.9 Copyright (c) 1994 Infiltrator ')
2018-12-25T11:46:08.388392473Z 67 PC: 12af7 | Get or set file attributes
2018-12-25T11:46:08.393654609Z 67 PC: 12b04 | Get or set file attributes
2018-12-25T11:46:09.394653459Z 61 PC: 12b09 | Open file (Filename = 'c:\command.com')
2018-12-25T11:46:09.402343108Z 87 PC: 12b15 | Get or set file date and time
2018-12-25T11:46:09.403891376Z 66 PC: 12b2a | Move file pointer
2018-12-25T11:46:09.406269248Z 66 PC: 12b3e | Move file pointer
2018-12-25T11:46:09.408907732Z 63 PC: 12b48 | Read file or device (Read 10 bytes on handle 5)
2018-12-25T11:46:09.412250685Z 66 PC: 12b6c | Move file pointer
2018-12-25T11:46:09.414307157Z 63 PC: 12b76 | Read file or device (Read 2 bytes on handle 5)
2018-12-25T11:46:09.417374042Z 66 PC: 12b8e | Move file pointer
2018-12-25T11:46:09.419576841Z 64 PC: 12b9d | Write file or device (Write 2 bytes on handle 5)
2018-12-25T11:46:09.42230604Z 42 PC: 12ba1 | Get date 0x12ba1: add dl, 7
0x12ba4: cmp dl, 0x1f
0x12ba7: jbe 0x12bb6
0x12ba9: sub dl, 0x1f
0x12bac: inc dh
0x12bae: cmp dh, 0xc
0x12bb1: jbe 0x12bb6
0x12bb3: inc cx
0x12bb4: mov dh, 1
0x12bb6: mov word ptr [0x2a3], cx
0x12bba: mov byte ptr [0x2a5], dh
0x12bbe: mov byte ptr [0x2a6], dl
0x12bc2: mov ax, 0x4200
0x12bc5: mov cx, 0
0x12bc8: add word ptr [0x179], 3
0x12bcd: mov dx, word ptr [0x179]
0x12bd1: int 0x21
0x12bd3: mov ah, 0x40
0x12bd5: mov cx, 0xc2
0x12bd8: mov dx, 0x2a0
2018-12-25T11:46:09.424384114Z 66 PC: 12bd3 | Move file pointer
2018-12-25T11:46:09.426359251Z 64 PC: 12bdd | Write file or device (Write 194 bytes on handle 5)
2018-12-25T11:46:09.429284333Z 9 PC: 12ca9 | Display string (String= ' Command.com successfully upgraded! ')
2018-12-25T11:46:09.433158097Z 87 PC: 12cb6 | Get or set file date and time
2018-12-25T11:46:09.435577647Z 62 PC: 12cbe | Close file
2018-12-25T11:46:09.442184238Z 67 PC: 12cca | Get or set file attributes
2018-12-25T11:46:09.452393907Z 76 PC: 12ccf | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":2663,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:46:08.645287872Z 9 PC: 12aef | Display string (String= 'Upgrade Commander v2.9 Copyright (c) 1994 Infiltrator ')
2018-12-25T11:46:08.651850754Z 67 PC: 12af7 | Get or set file attributes
2018-12-25T11:46:08.665693214Z 67 PC: 12b04 | Get or set file attributes
2018-12-25T11:46:09.008426204Z 61 PC: 12b09 | Open file (Filename = 'c:\command.com')
2018-12-25T11:46:09.017288621Z 87 PC: 12b15 | Get or set file date and time
2018-12-25T11:46:09.019455592Z 66 PC: 12b2a | Move file pointer
2018-12-25T11:46:09.021074284Z 66 PC: 12b3e | Move file pointer
2018-12-25T11:46:09.022564604Z 63 PC: 12b48 | Read file or device (Read 10 bytes on handle 5)
2018-12-25T11:46:09.026821481Z 66 PC: 12b6c | Move file pointer
2018-12-25T11:46:09.028237613Z 63 PC: 12b76 | Read file or device (Read 2 bytes on handle 5)
2018-12-25T11:46:09.031131443Z 66 PC: 12b8e | Move file pointer
2018-12-25T11:46:09.033695612Z 64 PC: 12b9d | Write file or device (Write 2 bytes on handle 5)
2018-12-25T11:46:09.037450881Z 42 PC: 12ba1 | Get date 0x12ba1: add dl, 7
0x12ba4: cmp dl, 0x1f
0x12ba7: jbe 0x12bb6
0x12ba9: sub dl, 0x1f
0x12bac: inc dh
0x12bae: cmp dh, 0xc
0x12bb1: jbe 0x12bb6
0x12bb3: inc cx
0x12bb4: mov dh, 1
0x12bb6: mov word ptr [0x2a3], cx
0x12bba: mov byte ptr [0x2a5], dh
0x12bbe: mov byte ptr [0x2a6], dl
0x12bc2: mov ax, 0x4200
0x12bc5: mov cx, 0
0x12bc8: add word ptr [0x179], 3
0x12bcd: mov dx, word ptr [0x179]
0x12bd1: int 0x21
0x12bd3: mov ah, 0x40
0x12bd5: mov cx, 0xc2
0x12bd8: mov dx, 0x2a0
2018-12-25T11:46:09.039852133Z 66 PC: 12bd3 | Move file pointer
2018-12-25T11:46:09.043191548Z 64 PC: 12bdd | Write file or device (Write 194 bytes on handle 5)
2018-12-25T11:46:09.047161123Z 9 PC: 12ca9 | Display string (String= ' Command.com successfully upgraded! ')
2018-12-25T11:46:09.052241498Z 87 PC: 12cb6 | Get or set file date and time
2018-12-25T11:46:09.054615983Z 62 PC: 12cbe | Close file
2018-12-25T11:46:09.069677597Z 67 PC: 12cca | Get or set file attributes
2018-12-25T11:46:09.0805988Z 76 PC: 12ccf | Terminate with return code (Return code = '0')

{"DateBased":true,"Day":24,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":2663,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:46:09.596314689Z 9 PC: 12aef | Display string (String= 'Upgrade Commander v2.9 Copyright (c) 1994 Infiltrator ')
2018-12-25T11:46:09.603451438Z 67 PC: 12af7 | Get or set file attributes
2018-12-25T11:46:09.610251674Z 67 PC: 12b04 | Get or set file attributes
2018-12-25T11:46:09.94861774Z 61 PC: 12b09 | Open file (Filename = 'c:\command.com')
2018-12-25T11:46:09.966634482Z 87 PC: 12b15 | Get or set file date and time
2018-12-25T11:46:09.969466903Z 66 PC: 12b2a | Move file pointer
2018-12-25T11:46:09.971452422Z 66 PC: 12b3e | Move file pointer
2018-12-25T11:46:09.973356028Z 63 PC: 12b48 | Read file or device (Read 10 bytes on handle 5)
2018-12-25T11:46:09.97817066Z 66 PC: 12b6c | Move file pointer
2018-12-25T11:46:09.980867971Z 63 PC: 12b76 | Read file or device (Read 2 bytes on handle 5)
2018-12-25T11:46:09.984102481Z 66 PC: 12b8e | Move file pointer
2018-12-25T11:46:09.986620431Z 64 PC: 12b9d | Write file or device (Write 2 bytes on handle 5)
2018-12-25T11:46:09.989955828Z 42 PC: 12ba1 | Get date 0x12ba1: add dl, 7
0x12ba4: cmp dl, 0x1f
0x12ba7: jbe 0x12bb6
0x12ba9: sub dl, 0x1f
0x12bac: inc dh
0x12bae: cmp dh, 0xc
0x12bb1: jbe 0x12bb6
0x12bb3: inc cx
0x12bb4: mov dh, 1
0x12bb6: mov word ptr [0x2a3], cx
0x12bba: mov byte ptr [0x2a5], dh
0x12bbe: mov byte ptr [0x2a6], dl
0x12bc2: mov ax, 0x4200
0x12bc5: mov cx, 0
0x12bc8: add word ptr [0x179], 3
0x12bcd: mov dx, word ptr [0x179]
0x12bd1: int 0x21
0x12bd3: mov ah, 0x40
0x12bd5: mov cx, 0xc2
0x12bd8: mov dx, 0x2a0
2018-12-25T11:46:09.992757229Z 66 PC: 12bd3 | Move file pointer
2018-12-25T11:46:10.006452466Z 64 PC: 12bdd | Write file or device (Write 194 bytes on handle 5)
2018-12-25T11:46:10.0109104Z 9 PC: 12ca9 | Display string (String= ' Command.com successfully upgraded! ')
2018-12-25T11:46:10.01927Z 87 PC: 12cb6 | Get or set file date and time
2018-12-25T11:46:10.020961218Z 62 PC: 12cbe | Close file
2018-12-25T11:46:10.028864673Z 67 PC: 12cca | Get or set file attributes
2018-12-25T11:46:10.038525937Z 76 PC: 12ccf | Terminate with return code (Return code = '0')