Analysis
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max time kernel
254s -
max time network
337s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02-12-2022 04:00
Behavioral task
behavioral1
Sample
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe
Resource
win10v2004-20220812-en
General
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Target
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe
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Size
661KB
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MD5
6ea15a00eee5168a3b36a60833460951
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SHA1
fd9698312c7564c08420f27f4936cfc65e8580fc
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SHA256
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b
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SHA512
8d4d7d18bf980a41ecdaeaed7706d75e1333eddd443cb5f0226a029b46a19865c462bd8785d2d9efe47c387f1122148a748533bcfe37b71234ef8e94a6df47a9
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SSDEEP
12288:IXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uf:unAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jv
Malware Config
Extracted
darkcomet
Zombie
nahasamapetilan.zapto.org:5000
nahasamapetilan.zapto.org:5001
nahasamapetilan.zapto.org:5002
nahasamapetilan.zapto.org:5003
nahasamapetilan.zapto.org:5004
nahasamapetilan.zapto.org:5005
DC_MUTEX-NHLL5VX
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InstallPath
SounDrivers\WinSounds.exe
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gencode
UqEe6BPFAJwd
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install
true
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offline_keylogger
true
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password
mohamed
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persistence
true
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reg_key
SoundDrivers
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.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\\SounDrivers\\WinSounds.exe" f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe -
Executes dropped EXE 1 IoCs
Processes:
WinSounds.exepid process 1116 WinSounds.exe -
Loads dropped DLL 2 IoCs
Processes:
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exepid process 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
WinSounds.exef386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SoundDrivers = "C:\\Users\\Admin\\AppData\\Roaming\\SounDrivers\\WinSounds.exe" WinSounds.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\SoundDrivers = "C:\\Users\\Admin\\AppData\\Roaming\\SounDrivers\\WinSounds.exe" f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exeWinSounds.exedescription pid process Token: SeIncreaseQuotaPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeSecurityPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeTakeOwnershipPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeLoadDriverPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeSystemProfilePrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeSystemtimePrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeProfSingleProcessPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeIncBasePriorityPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeCreatePagefilePrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeBackupPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeRestorePrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeShutdownPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeDebugPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeSystemEnvironmentPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeChangeNotifyPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeRemoteShutdownPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeUndockPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeManageVolumePrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeImpersonatePrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeCreateGlobalPrivilege 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: 33 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: 34 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: 35 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe Token: SeIncreaseQuotaPrivilege 1116 WinSounds.exe Token: SeSecurityPrivilege 1116 WinSounds.exe Token: SeTakeOwnershipPrivilege 1116 WinSounds.exe Token: SeLoadDriverPrivilege 1116 WinSounds.exe Token: SeSystemProfilePrivilege 1116 WinSounds.exe Token: SeSystemtimePrivilege 1116 WinSounds.exe Token: SeProfSingleProcessPrivilege 1116 WinSounds.exe Token: SeIncBasePriorityPrivilege 1116 WinSounds.exe Token: SeCreatePagefilePrivilege 1116 WinSounds.exe Token: SeBackupPrivilege 1116 WinSounds.exe Token: SeRestorePrivilege 1116 WinSounds.exe Token: SeShutdownPrivilege 1116 WinSounds.exe Token: SeDebugPrivilege 1116 WinSounds.exe Token: SeSystemEnvironmentPrivilege 1116 WinSounds.exe Token: SeChangeNotifyPrivilege 1116 WinSounds.exe Token: SeRemoteShutdownPrivilege 1116 WinSounds.exe Token: SeUndockPrivilege 1116 WinSounds.exe Token: SeManageVolumePrivilege 1116 WinSounds.exe Token: SeImpersonatePrivilege 1116 WinSounds.exe Token: SeCreateGlobalPrivilege 1116 WinSounds.exe Token: 33 1116 WinSounds.exe Token: 34 1116 WinSounds.exe Token: 35 1116 WinSounds.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
WinSounds.exepid process 1116 WinSounds.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exedescription pid process target process PID 540 wrote to memory of 1116 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe WinSounds.exe PID 540 wrote to memory of 1116 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe WinSounds.exe PID 540 wrote to memory of 1116 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe WinSounds.exe PID 540 wrote to memory of 1116 540 f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe WinSounds.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe"C:\Users\Admin\AppData\Local\Temp\f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\SounDrivers\WinSounds.exe"C:\Users\Admin\AppData\Roaming\SounDrivers\WinSounds.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\SounDrivers\WinSounds.exeFilesize
661KB
MD56ea15a00eee5168a3b36a60833460951
SHA1fd9698312c7564c08420f27f4936cfc65e8580fc
SHA256f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b
SHA5128d4d7d18bf980a41ecdaeaed7706d75e1333eddd443cb5f0226a029b46a19865c462bd8785d2d9efe47c387f1122148a748533bcfe37b71234ef8e94a6df47a9
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\Users\Admin\AppData\Roaming\SounDrivers\WinSounds.exeFilesize
661KB
MD56ea15a00eee5168a3b36a60833460951
SHA1fd9698312c7564c08420f27f4936cfc65e8580fc
SHA256f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b
SHA5128d4d7d18bf980a41ecdaeaed7706d75e1333eddd443cb5f0226a029b46a19865c462bd8785d2d9efe47c387f1122148a748533bcfe37b71234ef8e94a6df47a9
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\Users\Admin\AppData\Roaming\SounDrivers\WinSounds.exeFilesize
661KB
MD56ea15a00eee5168a3b36a60833460951
SHA1fd9698312c7564c08420f27f4936cfc65e8580fc
SHA256f386b6a1a42d356dc069ae5aa5cf827687b82902ad4cd2cbfc33fad86e32c86b
SHA5128d4d7d18bf980a41ecdaeaed7706d75e1333eddd443cb5f0226a029b46a19865c462bd8785d2d9efe47c387f1122148a748533bcfe37b71234ef8e94a6df47a9
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memory/540-54-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB
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memory/1116-57-0x0000000000000000-mapping.dmp