Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 06:09
Static task
static1
Behavioral task
behavioral1
Sample
bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe
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Size
292KB
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MD5
bc0e2e5ffa048dc7ed2330b9bf0ce717
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SHA1
9d7f04d2fc307375f498cb247f56b5459eef2680
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SHA256
a18b0e487d18d6656384d5b1039a4d0db4203669789a0e45c894e7675201cc18
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SHA512
71d98552e118189f1773f9bbc7d28d5f9fcb29a59aa6503293b59f1846ef4a37ef7de8cd1f44c9014025b771d51fe50e35e430009c1ed48ccd8c20d0a3f4ba42
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SSDEEP
6144:KXtV28NQJMCgnrEOjR5suI1PIRYhaZKicXBb+9w9soyKz88ELUgy:KD28NQJb4EOjR5Fk3Bbfzy2ELHy
Malware Config
Signatures
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Darkcomet family
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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:\\Windupdt\\winupdate.exe" bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate bc0e2e5ffa048dc7ed2330b9bf0ce717_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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 4180 winupdate.exe 32 winupdate.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe" bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2088 set thread context of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 4180 set thread context of 32 4180 winupdate.exe 93 -
resource yara_rule behavioral2/memory/1356-0-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/1356-1-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/1356-2-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/1356-3-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/1356-4-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/1356-6-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/1356-20-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-27-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-28-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-26-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-29-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-33-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-32-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-31-0x0000000000400000-0x00000000004C5000-memory.dmp upx behavioral2/memory/32-30-0x0000000000400000-0x00000000004C5000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 4 IoCs
pid pid_target Process procid_target 2620 2088 WerFault.exe 82 3792 2088 WerFault.exe 82 3244 4180 WerFault.exe 87 4060 4180 WerFault.exe 87 -
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2144 PING.EXE -
Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2144 PING.EXE -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeSecurityPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeLoadDriverPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeSystemProfilePrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeSystemtimePrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeBackupPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeRestorePrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeShutdownPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeDebugPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeUndockPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeManageVolumePrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeImpersonatePrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: 33 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: 34 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: 35 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: 36 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 32 winupdate.exe Token: SeSecurityPrivilege 32 winupdate.exe Token: SeTakeOwnershipPrivilege 32 winupdate.exe Token: SeLoadDriverPrivilege 32 winupdate.exe Token: SeSystemProfilePrivilege 32 winupdate.exe Token: SeSystemtimePrivilege 32 winupdate.exe Token: SeProfSingleProcessPrivilege 32 winupdate.exe Token: SeIncBasePriorityPrivilege 32 winupdate.exe Token: SeCreatePagefilePrivilege 32 winupdate.exe Token: SeBackupPrivilege 32 winupdate.exe Token: SeRestorePrivilege 32 winupdate.exe Token: SeShutdownPrivilege 32 winupdate.exe Token: SeDebugPrivilege 32 winupdate.exe Token: SeSystemEnvironmentPrivilege 32 winupdate.exe Token: SeChangeNotifyPrivilege 32 winupdate.exe Token: SeRemoteShutdownPrivilege 32 winupdate.exe Token: SeUndockPrivilege 32 winupdate.exe Token: SeManageVolumePrivilege 32 winupdate.exe Token: SeImpersonatePrivilege 32 winupdate.exe Token: SeCreateGlobalPrivilege 32 winupdate.exe Token: 33 32 winupdate.exe Token: 34 32 winupdate.exe Token: 35 32 winupdate.exe Token: 36 32 winupdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 32 winupdate.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 2088 wrote to memory of 1356 2088 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 83 PID 1356 wrote to memory of 4180 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 87 PID 1356 wrote to memory of 4180 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 87 PID 1356 wrote to memory of 4180 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 87 PID 1356 wrote to memory of 1848 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 88 PID 1356 wrote to memory of 1848 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 88 PID 1356 wrote to memory of 1848 1356 bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe 88 PID 1848 wrote to memory of 2144 1848 cmd.exe 92 PID 1848 wrote to memory of 2144 1848 cmd.exe 92 PID 1848 wrote to memory of 2144 1848 cmd.exe 92 PID 4180 wrote to memory of 32 4180 winupdate.exe 93 PID 4180 wrote to memory of 32 4180 winupdate.exe 93 PID 4180 wrote to memory of 32 4180 winupdate.exe 93 PID 4180 wrote to memory of 32 4180 winupdate.exe 93 PID 4180 wrote to memory of 32 4180 winupdate.exe 93 PID 4180 wrote to memory of 32 4180 winupdate.exe 93 PID 4180 wrote to memory of 32 4180 winupdate.exe 93 PID 4180 wrote to memory of 32 4180 winupdate.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Users\Admin\AppData\Local\Temp\bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\bc0e2e5ffa048dc7ed2330b9bf0ce717_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windupdt\winupdate.exe"C:\Windupdt\winupdate.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Windupdt\winupdate.exeC:\Windupdt\winupdate.exe4⤵
- Checks BIOS information in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:32
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 3844⤵
- Program crash
PID:3244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 4364⤵
- Program crash
PID:4060
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 24⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 3762⤵
- Program crash
PID:2620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 4322⤵
- Program crash
PID:3792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2088 -ip 20881⤵PID:2920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2088 -ip 20881⤵PID:2284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4180 -ip 41801⤵PID:1292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4180 -ip 41801⤵PID:1100
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
119B
MD5e33e7e2294a056a1d11f0a05bd47d349
SHA1328f41ab70b45b0dff1006d515b8718b6eacad97
SHA2567338a60e6d9049cae5d4c3a62a4e02080ded85591690a0215eee787c12e1e78a
SHA512c5f0170e4b114bf00170810434848839e3193e35f862457a9ad8527a2144914a88b74840a6360614281a1a949eb4dc4087960898a9d44dab7a07ee45e21a830b
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Filesize
292KB
MD5bc0e2e5ffa048dc7ed2330b9bf0ce717
SHA19d7f04d2fc307375f498cb247f56b5459eef2680
SHA256a18b0e487d18d6656384d5b1039a4d0db4203669789a0e45c894e7675201cc18
SHA51271d98552e118189f1773f9bbc7d28d5f9fcb29a59aa6503293b59f1846ef4a37ef7de8cd1f44c9014025b771d51fe50e35e430009c1ed48ccd8c20d0a3f4ba42