Analysis
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max time kernel
187s -
max time network
226s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2022 05:32
Behavioral task
behavioral1
Sample
0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Resource
win10v2004-20221111-en
General
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Target
0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
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Size
225KB
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MD5
8691dae21568faaeda49bcd640e1ad23
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SHA1
524b589ef403ff21cf040ef33c21b1d6d8235feb
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SHA256
0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be
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SHA512
870aedf4a6ee62cbfdc4c094ddf3da08fb603dc248e36baa9ae833b5f22e930650f97b7d1d1a78787c5ae40e03d131b1814ca34a7264cc9b311cb92f2f1eb30d
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SSDEEP
6144:2NRgzJmXrQwAPj5XJkcXV50DErs5xgTw7ozFz254W:URglerQwAjkzDZGcoxfW
Malware Config
Extracted
\??\E:\README.html
us:<br><strong><br>email:[email protected]<br>email:[email protected]<br></strong><br><br>njUpGL4ybYXsjFWpsFzLr8i/fav12H8VbSivjtSOBwQGzs9Ehs6sjnS2+r8PR9or
Signatures
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Venus
Venus is a ransomware first seen in 2022.
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Venus Ransomware 6 IoCs
resource yara_rule behavioral2/memory/668-132-0x0000000000400000-0x000000000043E000-memory.dmp family_venus behavioral2/memory/668-133-0x0000000000400000-0x000000000043E000-memory.dmp family_venus behavioral2/files/0x0006000000022e3e-135.dat family_venus behavioral2/files/0x0006000000022e3e-137.dat family_venus behavioral2/memory/4480-138-0x0000000000400000-0x000000000043E000-memory.dmp family_venus behavioral2/memory/4480-140-0x0000000000400000-0x000000000043E000-memory.dmp family_venus -
Executes dropped EXE 1 IoCs
pid Process 4480 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe = "C:\\Windows\\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe" 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification \??\E:\$RECYCLE.BIN\S-1-5-21-2386679933-1492765628-3466841596-1000\desktop.ini 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe File opened for modification \Device\HarddiskVolume1\$RECYCLE.BIN\S-1-5-21-2386679933-1492765628-3466841596-1000\desktop.ini 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe File opened (read-only) \??\F: 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\16169505781972527219.png 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe File created C:\Windows\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 1828 taskkill.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.venus 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.venus\DefaultIcon 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.venus\DefaultIcon\ = "C:\\Windows\\16169505781972527219.png" 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4640 PING.EXE -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4480 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe Token: SeTcbPrivilege 4480 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe Token: SeTakeOwnershipPrivilege 4480 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe Token: SeSecurityPrivilege 4480 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe Token: SeDebugPrivilege 1828 taskkill.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 668 wrote to memory of 4480 668 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 82 PID 668 wrote to memory of 4480 668 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 82 PID 668 wrote to memory of 4480 668 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 82 PID 668 wrote to memory of 3616 668 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 84 PID 668 wrote to memory of 3616 668 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 84 PID 3616 wrote to memory of 4640 3616 cmd.exe 86 PID 3616 wrote to memory of 4640 3616 cmd.exe 86 PID 4480 wrote to memory of 2304 4480 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 88 PID 4480 wrote to memory of 2304 4480 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe 88 PID 2304 wrote to memory of 1828 2304 cmd.exe 90 PID 2304 wrote to memory of 1828 2304 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe"C:\Users\Admin\AppData\Local\Temp\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Windows\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe"C:\Windows\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe" g g g o n e1232⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\System32\cmd.exe/C taskkill /F /IM msftesql.exe /IM sqlagent.exe /IM sqlbrowser.exe /IM sqlservr.exe /IM sqlwriter.exe /IM oracle.exe /IM ocssd.exe /IM dbsnmp.exe /IM synctime.exe /IM mydesktopqos.exe /IM agntsvc.exe /IM isqlplussvc.exe /IM xfssvccon.exe /IM mydesktopservice.exe /IM ocautoupds.exe /IM agntsvc.exe /IM agntsvc.exe /IM agntsvc.exe /IM encsvc.exe /IM firefoxconfig.exe /IM tbirdconfig.exe /IM ocomm.exe /IM mysqld.exe /IM mysqld-nt.exe /IM mysqld-opt.exe /IM dbeng50.exe /IM sqbcoreservice.exe /IM excel.exe /IM infopath.exe /IM msaccess.exe /IM mspub.exe /IM onenote.exe /IM outlook.exe /IM powerpnt.exe /IM sqlservr.exe /IM thebat64.exe /IM thunderbird.exe /IM winword.exe /IM wordpad.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\system32\taskkill.exetaskkill /F /IM msftesql.exe /IM sqlagent.exe /IM sqlbrowser.exe /IM sqlservr.exe /IM sqlwriter.exe /IM oracle.exe /IM ocssd.exe /IM dbsnmp.exe /IM synctime.exe /IM mydesktopqos.exe /IM agntsvc.exe /IM isqlplussvc.exe /IM xfssvccon.exe /IM mydesktopservice.exe /IM ocautoupds.exe /IM agntsvc.exe /IM agntsvc.exe /IM agntsvc.exe /IM encsvc.exe /IM firefoxconfig.exe /IM tbirdconfig.exe /IM ocomm.exe /IM mysqld.exe /IM mysqld-nt.exe /IM mysqld-opt.exe /IM dbeng50.exe /IM sqbcoreservice.exe /IM excel.exe /IM infopath.exe /IM msaccess.exe /IM mspub.exe /IM onenote.exe /IM outlook.exe /IM powerpnt.exe /IM sqlservr.exe /IM thebat64.exe /IM thunderbird.exe /IM winword.exe /IM wordpad.exe4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1828
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C:\Windows\System32\cmd.exe/c ping localhost -n 3 > nul & del C:\Users\Admin\AppData\Local\Temp\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\system32\PING.EXEping localhost -n 33⤵
- Runs ping.exe
PID:4640
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
225KB
MD58691dae21568faaeda49bcd640e1ad23
SHA1524b589ef403ff21cf040ef33c21b1d6d8235feb
SHA2560a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be
SHA512870aedf4a6ee62cbfdc4c094ddf3da08fb603dc248e36baa9ae833b5f22e930650f97b7d1d1a78787c5ae40e03d131b1814ca34a7264cc9b311cb92f2f1eb30d
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Filesize
225KB
MD58691dae21568faaeda49bcd640e1ad23
SHA1524b589ef403ff21cf040ef33c21b1d6d8235feb
SHA2560a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be
SHA512870aedf4a6ee62cbfdc4c094ddf3da08fb603dc248e36baa9ae833b5f22e930650f97b7d1d1a78787c5ae40e03d131b1814ca34a7264cc9b311cb92f2f1eb30d