Analysis
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max time kernel
149s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
23/07/2024, 01:04
Behavioral task
behavioral1
Sample
65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe
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Size
251KB
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MD5
65892469fe4238129a806c3c05511d6f
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SHA1
13991410e3612ce4b9a9e2fc85064230f8bf7ca9
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SHA256
a99b5985cad28b83cec7b13ebb812f74829cb2a1b9b97e37c2162a0722474cd8
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SHA512
7065bd7aae0bc8e3edeb7eadfd89511950e998d812e4fa75760b41888146d7a1de8d79bae99ce851246d8f3118aca18dafc2b24530e928fa5fec2560deb0c6f5
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SSDEEP
6144:LRJQPYYabU6vUpFC0oc3kTyC8oh4rtTYRpVk5T:LYYP4C9IkTypoh4hT
Malware Config
Extracted
darkcomet
fff
127.0.0.1:1604
DCMIN_MUTEX-TPGN20T
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InstallPath
DCSCMIN\IMDCSC.exe
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gencode
HJ2HZr91NJ0E
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
DarkComet RAT
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 65892469fe4238129a806c3c05511d6f_JaffaCakes118.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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1844 IMDCSC.exe -
resource yara_rule behavioral2/memory/1068-0-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/files/0x00070000000234cc-6.dat upx behavioral2/memory/1068-14-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-16-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-17-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-18-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-20-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-22-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-23-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-24-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-26-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-28-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-30-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/1844-31-0x0000000000400000-0x00000000004B5000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe" 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeSecurityPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeSystemtimePrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeBackupPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeRestorePrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeShutdownPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeDebugPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeUndockPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeManageVolumePrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeImpersonatePrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: 33 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: 34 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: 35 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: 36 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 1844 IMDCSC.exe Token: SeSecurityPrivilege 1844 IMDCSC.exe Token: SeTakeOwnershipPrivilege 1844 IMDCSC.exe Token: SeLoadDriverPrivilege 1844 IMDCSC.exe Token: SeSystemProfilePrivilege 1844 IMDCSC.exe Token: SeSystemtimePrivilege 1844 IMDCSC.exe Token: SeProfSingleProcessPrivilege 1844 IMDCSC.exe Token: SeIncBasePriorityPrivilege 1844 IMDCSC.exe Token: SeCreatePagefilePrivilege 1844 IMDCSC.exe Token: SeBackupPrivilege 1844 IMDCSC.exe Token: SeRestorePrivilege 1844 IMDCSC.exe Token: SeShutdownPrivilege 1844 IMDCSC.exe Token: SeDebugPrivilege 1844 IMDCSC.exe Token: SeSystemEnvironmentPrivilege 1844 IMDCSC.exe Token: SeChangeNotifyPrivilege 1844 IMDCSC.exe Token: SeRemoteShutdownPrivilege 1844 IMDCSC.exe Token: SeUndockPrivilege 1844 IMDCSC.exe Token: SeManageVolumePrivilege 1844 IMDCSC.exe Token: SeImpersonatePrivilege 1844 IMDCSC.exe Token: SeCreateGlobalPrivilege 1844 IMDCSC.exe Token: 33 1844 IMDCSC.exe Token: 34 1844 IMDCSC.exe Token: 35 1844 IMDCSC.exe Token: 36 1844 IMDCSC.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1844 IMDCSC.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1068 wrote to memory of 1844 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe 86 PID 1068 wrote to memory of 1844 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe 86 PID 1068 wrote to memory of 1844 1068 65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\65892469fe4238129a806c3c05511d6f_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
251KB
MD565892469fe4238129a806c3c05511d6f
SHA113991410e3612ce4b9a9e2fc85064230f8bf7ca9
SHA256a99b5985cad28b83cec7b13ebb812f74829cb2a1b9b97e37c2162a0722474cd8
SHA5127065bd7aae0bc8e3edeb7eadfd89511950e998d812e4fa75760b41888146d7a1de8d79bae99ce851246d8f3118aca18dafc2b24530e928fa5fec2560deb0c6f5