Analysis
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max time kernel
150s -
max time network
137s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
18-01-2021 16:42
Static task
static1
Behavioral task
behavioral1
Sample
vbc.exe
Resource
win7v20201028
General
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Target
vbc.exe
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Size
889KB
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MD5
786180a5141bf4ea48e26910d2bf9061
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SHA1
f77224c2ac0c9dd746fc22b102da2a534bf889e2
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SHA256
63289870bb6e2bbb13afd47bf630c048e593afacc5c968939855f85ca5022ea4
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SHA512
cbdb00fe20e39c52ac736e75bc2c93abecc0d0ecbc9c10d7b62e88f6e574f99ee545a5ca34578dcdc564cd32fe3e9fb1258bc35d09304b094a32c2f89a492d28
Malware Config
Extracted
formbook
http://www.stonescapes1.com/de92/
zindaginews.com
tyelevator.com
schustermaninterests.com
algemixdelchef.com
doubscollectivites.com
e-butchery.com
hellbentmask.com
jumbpprivacy.com
teeniestiedye.com
playfulartwork.com
desertvacahs.com
w5470-hed.net
nepalearningpods.com
smoothandsleek.com
thecannaglow.com
torrentkittyla.com
industrytoyou.com
raquelvargas.net
rlc-nc.net
cryptoprises.com
chinjungmom.com
blondedevil.com
associationindependence.com
tokachiashi50.xyz
cantstoptennis.com
english3s.com
flowtechblasting.com
customputtputtgolf.com
onointeriors.com
lenafive.com
jygraphics.com
plantologia.com
withatwist2016.com
bingent.info
nakedsumac.com
rosetheamazingrealtor.com
gogoivyschool.com
silhouettebodyspa.com
fomssdf4.com
goodcontractor.net
republicpc.com
zante2020.com
t-junko.com
kittens.finance
mkchemicalvina.com
quadacross.com
maemaetravelworld.com
bradforrexchange.com
fashiongomaufacturer.com
hollapac.com
qxmenye.com
neuro-robotics.com
365shared.com
dinamisapp.com
b3service.com
getyourquan.com
udothat.com
cutting21778.com
vdacouture.com
venerossala.com
thefunboxshoppe.com
indomedianewsc.com
nagansatu.com
precisionoxes.com
Signatures
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Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/396-8-0x0000000000400000-0x0000000000428000-memory.dmp xloader behavioral1/memory/396-9-0x000000000041D010-mapping.dmp xloader behavioral1/memory/944-19-0x0000000000090000-0x00000000000B8000-memory.dmp xloader -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 812 cmd.exe -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 4 IoCs
Processes:
vbc.exevbc.execmstp.exedescription pid process target process PID 1944 set thread context of 396 1944 vbc.exe vbc.exe PID 396 set thread context of 1276 396 vbc.exe Explorer.EXE PID 396 set thread context of 1276 396 vbc.exe Explorer.EXE PID 944 set thread context of 1276 944 cmstp.exe Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 25 IoCs
Processes:
vbc.exevbc.execmstp.exepid process 1944 vbc.exe 1944 vbc.exe 396 vbc.exe 396 vbc.exe 396 vbc.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe 944 cmstp.exe -
Suspicious behavior: MapViewOfSection 6 IoCs
Processes:
vbc.execmstp.exepid process 396 vbc.exe 396 vbc.exe 396 vbc.exe 396 vbc.exe 944 cmstp.exe 944 cmstp.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vbc.exevbc.execmstp.exedescription pid process Token: SeDebugPrivilege 1944 vbc.exe Token: SeDebugPrivilege 396 vbc.exe Token: SeDebugPrivilege 944 cmstp.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
Explorer.EXEpid process 1276 Explorer.EXE 1276 Explorer.EXE 1276 Explorer.EXE 1276 Explorer.EXE -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
Explorer.EXEpid process 1276 Explorer.EXE 1276 Explorer.EXE 1276 Explorer.EXE 1276 Explorer.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
vbc.exeExplorer.EXEcmstp.exedescription pid process target process PID 1944 wrote to memory of 1628 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1628 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1628 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1628 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 396 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 396 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 396 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 396 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 396 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 396 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 396 1944 vbc.exe vbc.exe PID 1276 wrote to memory of 944 1276 Explorer.EXE cmstp.exe PID 1276 wrote to memory of 944 1276 Explorer.EXE cmstp.exe PID 1276 wrote to memory of 944 1276 Explorer.EXE cmstp.exe PID 1276 wrote to memory of 944 1276 Explorer.EXE cmstp.exe PID 1276 wrote to memory of 944 1276 Explorer.EXE cmstp.exe PID 1276 wrote to memory of 944 1276 Explorer.EXE cmstp.exe PID 1276 wrote to memory of 944 1276 Explorer.EXE cmstp.exe PID 944 wrote to memory of 812 944 cmstp.exe cmd.exe PID 944 wrote to memory of 812 944 cmstp.exe cmd.exe PID 944 wrote to memory of 812 944 cmstp.exe cmd.exe PID 944 wrote to memory of 812 944 cmstp.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"{path}"3⤵
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"3⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/396-9-0x000000000041D010-mapping.dmp
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memory/396-14-0x00000000002E0000-0x00000000002F0000-memory.dmpFilesize
64KB
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memory/396-12-0x0000000000080000-0x0000000000090000-memory.dmpFilesize
64KB
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memory/396-11-0x0000000000970000-0x0000000000C73000-memory.dmpFilesize
3.0MB
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memory/396-8-0x0000000000400000-0x0000000000428000-memory.dmpFilesize
160KB
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memory/812-20-0x0000000000000000-mapping.dmp
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memory/944-16-0x0000000000000000-mapping.dmp
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memory/944-17-0x0000000075AE1000-0x0000000075AE3000-memory.dmpFilesize
8KB
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memory/944-18-0x0000000000FF0000-0x0000000001008000-memory.dmpFilesize
96KB
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memory/944-19-0x0000000000090000-0x00000000000B8000-memory.dmpFilesize
160KB
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memory/944-21-0x0000000000C30000-0x0000000000F33000-memory.dmpFilesize
3.0MB
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memory/944-22-0x0000000000960000-0x00000000009EF000-memory.dmpFilesize
572KB
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memory/1276-13-0x0000000003C40000-0x0000000003D40000-memory.dmpFilesize
1024KB
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memory/1276-15-0x0000000003EE0000-0x0000000003FF1000-memory.dmpFilesize
1.1MB
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memory/1944-7-0x00000000050B0000-0x0000000005107000-memory.dmpFilesize
348KB
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memory/1944-6-0x0000000000310000-0x000000000031E000-memory.dmpFilesize
56KB
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memory/1944-5-0x0000000004850000-0x0000000004851000-memory.dmpFilesize
4KB
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memory/1944-2-0x00000000742C0000-0x00000000749AE000-memory.dmpFilesize
6.9MB
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memory/1944-3-0x00000000000D0000-0x00000000000D1000-memory.dmpFilesize
4KB