Analysis
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max time kernel
91s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2022 02:59
Static task
static1
Behavioral task
behavioral1
Sample
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe
Resource
win7-20221111-en
General
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Target
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe
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Size
742KB
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MD5
3d9fb784d8bad35e1fc6f114092b0e61
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SHA1
21950040713e37949c80b75e4c15fa6163ef67b2
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SHA256
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504
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SHA512
9c80a51a0849195f6cac34a8cba53229d05a900d29ba8a327418d5502ee559485b8b1637f07be43404fe737f29a669412e11ffd329b210f04ebd040493230f85
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SSDEEP
12288:J08Xr7FoMtKhx92E7eosUsF4hxekb7NKiMRFhoE3KK1:m8b7FoGKX8KeosUO4hwktKbhou/1
Malware Config
Extracted
darkcomet
Guest16
188.190.86.62:1604
DC_MUTEX-W0U2X3G
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gencode
ApppNhBV8t9f
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install
false
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offline_keylogger
true
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persistence
false
Signatures
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Executes dropped EXE 1 IoCs
Processes:
bac.exepid process 388 bac.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exedescription pid process target process PID 4960 set thread context of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exepid process 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
bac.exedescription pid process Token: SeIncreaseQuotaPrivilege 388 bac.exe Token: SeSecurityPrivilege 388 bac.exe Token: SeTakeOwnershipPrivilege 388 bac.exe Token: SeLoadDriverPrivilege 388 bac.exe Token: SeSystemProfilePrivilege 388 bac.exe Token: SeSystemtimePrivilege 388 bac.exe Token: SeProfSingleProcessPrivilege 388 bac.exe Token: SeIncBasePriorityPrivilege 388 bac.exe Token: SeCreatePagefilePrivilege 388 bac.exe Token: SeBackupPrivilege 388 bac.exe Token: SeRestorePrivilege 388 bac.exe Token: SeShutdownPrivilege 388 bac.exe Token: SeDebugPrivilege 388 bac.exe Token: SeSystemEnvironmentPrivilege 388 bac.exe Token: SeChangeNotifyPrivilege 388 bac.exe Token: SeRemoteShutdownPrivilege 388 bac.exe Token: SeUndockPrivilege 388 bac.exe Token: SeManageVolumePrivilege 388 bac.exe Token: SeImpersonatePrivilege 388 bac.exe Token: SeCreateGlobalPrivilege 388 bac.exe Token: 33 388 bac.exe Token: 34 388 bac.exe Token: 35 388 bac.exe Token: 36 388 bac.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exebac.exepid process 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 388 bac.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exedescription pid process target process PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 4960 wrote to memory of 2188 4960 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe PID 2188 wrote to memory of 388 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe bac.exe PID 2188 wrote to memory of 388 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe bac.exe PID 2188 wrote to memory of 388 2188 9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe bac.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe"C:\Users\Admin\AppData\Local\Temp\9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe"C:\Users\Admin\AppData\Local\Temp\9d1e5cdd301370265effefd9d7332917a9f81148b9c5345e14cf4d7627b3e504.exe"2⤵
- Checks BIOS information in registry
- Checks computer location settings
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bac.exe"C:\Users\Admin\AppData\Local\Temp\bac.exe"3⤵
- Executes dropped EXE
- 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\Local\Temp\bac.exeFilesize
658KB
MD5d37899867bdc4398f4f8d32970532df0
SHA10e9280bb97c025182cc5627b6b3c0f0285c3b3cb
SHA256d82d52a01d5f2975d94e35866cb3af0123f9f7ab2668865e458832eace80e39a
SHA5126924fac44bc33880bb731ba0a158e92d39aad1bd6d04d1484e3c2f33a4e6f6bd82d740c31923078dbcbc5755f4f6476fa7d1538cf9cd040f6689ea68e0528c84
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C:\Users\Admin\AppData\Local\Temp\bac.exeFilesize
658KB
MD5d37899867bdc4398f4f8d32970532df0
SHA10e9280bb97c025182cc5627b6b3c0f0285c3b3cb
SHA256d82d52a01d5f2975d94e35866cb3af0123f9f7ab2668865e458832eace80e39a
SHA5126924fac44bc33880bb731ba0a158e92d39aad1bd6d04d1484e3c2f33a4e6f6bd82d740c31923078dbcbc5755f4f6476fa7d1538cf9cd040f6689ea68e0528c84
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memory/388-143-0x0000000000000000-mapping.dmp
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memory/2188-137-0x0000000000000000-mapping.dmp
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memory/2188-138-0x0000000000400000-0x0000000000501000-memory.dmpFilesize
1.0MB
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memory/2188-140-0x0000000000400000-0x0000000000501000-memory.dmpFilesize
1.0MB
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memory/2188-141-0x0000000000400000-0x0000000000501000-memory.dmpFilesize
1.0MB
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memory/2188-142-0x0000000000400000-0x0000000000501000-memory.dmpFilesize
1.0MB
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memory/2188-146-0x0000000000400000-0x0000000000501000-memory.dmpFilesize
1.0MB
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memory/2188-147-0x0000000000400000-0x0000000000501000-memory.dmpFilesize
1.0MB