Analysis
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max time kernel
153s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 19:10
Behavioral task
behavioral1
Sample
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
Resource
win10v2004-20221111-en
General
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Target
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe
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Size
682KB
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MD5
12641af0a6d3c52982b1ebc092f2e49b
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SHA1
2387dacabec566dff2492bad1dc0034189d4d9b0
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SHA256
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13
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SHA512
12368ed421bf7d06694a3a679161d6f4152182730ff2f4adc07940067f1eae8e721da67a3206c4d23c39de5008594d04e5804db040aee8870fa8717dd68e8728
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SSDEEP
12288:u9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFkM:6iBIGkbxqEcjsWiDxguehC2SK
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\AppDate\\Local" 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\AppDate\\Local" 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 2 IoCs
Processes:
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exedescription pid process Token: SeIncreaseQuotaPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeSecurityPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeTakeOwnershipPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeLoadDriverPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeSystemProfilePrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeSystemtimePrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeProfSingleProcessPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeIncBasePriorityPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeCreatePagefilePrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeBackupPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeRestorePrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeShutdownPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeDebugPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeSystemEnvironmentPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeChangeNotifyPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeRemoteShutdownPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeUndockPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeManageVolumePrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeImpersonatePrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: SeCreateGlobalPrivilege 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: 33 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: 34 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: 35 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe Token: 36 4104 3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 4632 OpenWith.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe"C:\Users\Admin\AppData\Local\Temp\3a2aa960cb8e94359f7f24bc993e383c4cc26d8d4f34df77d4a26c74f69c4c13.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx