Analysis
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max time kernel
148s -
max time network
59s -
platform
windows7_x64 -
resource
win7 -
submitted
10-07-2020 13:41
Static task
static1
Behavioral task
behavioral1
Sample
vbc.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
vbc.exe
Resource
win10v200430
windows10_x64
0 signatures
0 seconds
General
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Target
vbc.exe
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Size
335KB
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MD5
dcbed5a043d3eca73e3451f66718882f
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SHA1
48d598c8d8cdef964d51c20fcf90421abb4da85a
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SHA256
8114e5e30720952dbf0515a5f3801c7c0ef51844758e25b100b768a29c01155a
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SHA512
cc82b9c701dacd25be9038be9c506b36a75d495cb96143e77d050562f21a4c83876826203bce0766ab34369569efafe9f7415cab8ae68582a3219f6e624e80c9
Malware Config
Signatures
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Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 740 RegSvcs.exe 740 RegSvcs.exe 740 RegSvcs.exe 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE -
Suspicious behavior: MapViewOfSection 6 IoCs
pid Process 740 RegSvcs.exe 740 RegSvcs.exe 740 RegSvcs.exe 740 RegSvcs.exe 1092 NAPSTAT.EXE 1092 NAPSTAT.EXE -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1320 Explorer.EXE 1320 Explorer.EXE 1320 Explorer.EXE 1320 Explorer.EXE -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Explorer.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1456 wrote to memory of 740 1456 vbc.exe 24 PID 1320 wrote to memory of 1092 1320 Explorer.EXE 25 PID 1320 wrote to memory of 1092 1320 Explorer.EXE 25 PID 1320 wrote to memory of 1092 1320 Explorer.EXE 25 PID 1320 wrote to memory of 1092 1320 Explorer.EXE 25 PID 1092 wrote to memory of 1504 1092 NAPSTAT.EXE 26 PID 1092 wrote to memory of 1504 1092 NAPSTAT.EXE 26 PID 1092 wrote to memory of 1504 1092 NAPSTAT.EXE 26 PID 1092 wrote to memory of 1504 1092 NAPSTAT.EXE 26 -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1456 set thread context of 740 1456 vbc.exe 24 PID 740 set thread context of 1320 740 RegSvcs.exe 20 PID 740 set thread context of 1320 740 RegSvcs.exe 20 PID 1092 set thread context of 1320 1092 NAPSTAT.EXE 20 -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1456 vbc.exe Token: SeDebugPrivilege 740 RegSvcs.exe Token: SeDebugPrivilege 1092 NAPSTAT.EXE -
Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 1320 Explorer.EXE 1320 Explorer.EXE 1320 Explorer.EXE 1320 Explorer.EXE 1320 Explorer.EXE -
Uses the VBS compiler for execution 1 TTPs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of SendNotifyMessage
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
PID:1320 -
C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:1456 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:740
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C:\Windows\SysWOW64\NAPSTAT.EXE"C:\Windows\SysWOW64\NAPSTAT.EXE"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
PID:1092 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵PID:1504
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