Analysis
-
max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-11-2024 04:42
Behavioral task
behavioral1
Sample
8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe
Resource
win7-20240903-en
General
-
Target
8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe
-
Size
233KB
-
MD5
8f36707a884175fc489962aaf56e2a5f
-
SHA1
74a2094e7beffb90408a863e9b55223698b932f8
-
SHA256
eeccab59578ff3ee1e4e88da4edcb5765ef4380b8ca40ca8594b15e82cc7bcb2
-
SHA512
eb47fb50ceea3717122f0fb0a11fd047ad5d315158b250442debcb0648357b079a43e484233666241c56116ad1f26b476d21935c49b2e2e8bcaa606181ec899e
-
SSDEEP
6144:G4CFfifD2gVKVTQQ249HZ52KTh9XKOCgLJacj5/AZtRs2a:GXgr8VMQDT52WXKq9fj5/AZjw
Malware Config
Signatures
-
Darkcomet family
-
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\\AppData\\Roaming\\Internet\\wiresvc.exe" 8f36707a884175fc489962aaf56e2a5f_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 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiresvc = "C:\\Users\\Admin\\AppData\\Roaming\\Internet\\wiresvc.exe" 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2216 set thread context of 2056 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe 30 -
resource yara_rule behavioral1/memory/2216-0-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-8-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-9-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-13-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-14-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-11-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2216-12-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-15-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-20-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-21-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-19-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-17-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-18-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2056-22-0x0000000000400000-0x00000000004B5000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 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 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2056 explorer.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeSecurityPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeSystemtimePrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeBackupPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeRestorePrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeShutdownPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeDebugPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeUndockPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeManageVolumePrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeImpersonatePrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: 33 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: 34 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: 35 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2056 explorer.exe Token: SeSecurityPrivilege 2056 explorer.exe Token: SeTakeOwnershipPrivilege 2056 explorer.exe Token: SeLoadDriverPrivilege 2056 explorer.exe Token: SeSystemProfilePrivilege 2056 explorer.exe Token: SeSystemtimePrivilege 2056 explorer.exe Token: SeProfSingleProcessPrivilege 2056 explorer.exe Token: SeIncBasePriorityPrivilege 2056 explorer.exe Token: SeCreatePagefilePrivilege 2056 explorer.exe Token: SeBackupPrivilege 2056 explorer.exe Token: SeRestorePrivilege 2056 explorer.exe Token: SeShutdownPrivilege 2056 explorer.exe Token: SeDebugPrivilege 2056 explorer.exe Token: SeSystemEnvironmentPrivilege 2056 explorer.exe Token: SeChangeNotifyPrivilege 2056 explorer.exe Token: SeRemoteShutdownPrivilege 2056 explorer.exe Token: SeUndockPrivilege 2056 explorer.exe Token: SeManageVolumePrivilege 2056 explorer.exe Token: SeImpersonatePrivilege 2056 explorer.exe Token: SeCreateGlobalPrivilege 2056 explorer.exe Token: 33 2056 explorer.exe Token: 34 2056 explorer.exe Token: 35 2056 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2056 explorer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2216 wrote to memory of 2056 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe 30 PID 2216 wrote to memory of 2056 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe 30 PID 2216 wrote to memory of 2056 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe 30 PID 2216 wrote to memory of 2056 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe 30 PID 2216 wrote to memory of 2056 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe 30 PID 2216 wrote to memory of 2056 2216 8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8f36707a884175fc489962aaf56e2a5f_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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:2216 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2056
-
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
1