Analysis
- max time kernel
145s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
28/06/2024, 13:20
Behavioral task
behavioral1
Sample
1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe
Resource
win7-20240508-en
windows7-x64
14 signatures
150 seconds
General
- Target 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe
- Size 243KB
- Sample240628-qle8nsvark
- SHA256 d340f8163f599b8f52eda452caf625c2036db62d4eca7e5bca8f7b095a1edcde
- MD5 1a466065bc9997c4757e4739ed07fb42
- SHA1 ede4dcfa02f62dd2f5de5e7987cbe64871ee2f66
- SHA512 e29cc862a941d667b0af0bb7c84815392bc9bc904e65d2ed0eb1de1bfcf216dd7e7e1579680bc1c2647a4e50aadaa9c57ba7e52fa55db284c5acd756e9fad077
- SSDEEP 6144:QFLFE+xd3Fyprbf6ZJr8DPBUDthcOWpa0pBRi08Y6:QPd1kcF8NUDjcOWpaabis
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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\\Windupdt\\winupdate.exe" 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe - Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 3388 attrib.exe 2472 attrib.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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe - Deletes itself 1 IoCs
pid Process 2828 notepad.exe - Executes dropped EXE 1 IoCs
pid Process 3140 winupdate.exe -
resource yara_rule behavioral2/memory/4680-0-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/files/0x00070000000233f0-5.dat upx behavioral2/memory/4680-12-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-15-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-16-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-18-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-19-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-20-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-21-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-22-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-23-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-24-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-25-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-26-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-27-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-28-0x0000000013140000-0x00000000131FB000-memory.dmp upx behavioral2/memory/3140-29-0x0000000013140000-0x00000000131FB000-memory.dmp upx -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winupdate.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe" 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe" notepad.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeSecurityPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeLoadDriverPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeSystemProfilePrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeSystemtimePrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeBackupPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeRestorePrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeShutdownPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeDebugPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeUndockPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeManageVolumePrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeImpersonatePrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: 33 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: 34 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: 35 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: 36 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3140 winupdate.exe Token: SeSecurityPrivilege 3140 winupdate.exe Token: SeTakeOwnershipPrivilege 3140 winupdate.exe Token: SeLoadDriverPrivilege 3140 winupdate.exe Token: SeSystemProfilePrivilege 3140 winupdate.exe Token: SeSystemtimePrivilege 3140 winupdate.exe Token: SeProfSingleProcessPrivilege 3140 winupdate.exe Token: SeIncBasePriorityPrivilege 3140 winupdate.exe Token: SeCreatePagefilePrivilege 3140 winupdate.exe Token: SeBackupPrivilege 3140 winupdate.exe Token: SeRestorePrivilege 3140 winupdate.exe Token: SeShutdownPrivilege 3140 winupdate.exe Token: SeDebugPrivilege 3140 winupdate.exe Token: SeSystemEnvironmentPrivilege 3140 winupdate.exe Token: SeChangeNotifyPrivilege 3140 winupdate.exe Token: SeRemoteShutdownPrivilege 3140 winupdate.exe Token: SeUndockPrivilege 3140 winupdate.exe Token: SeManageVolumePrivilege 3140 winupdate.exe Token: SeImpersonatePrivilege 3140 winupdate.exe Token: SeCreateGlobalPrivilege 3140 winupdate.exe Token: 33 3140 winupdate.exe Token: 34 3140 winupdate.exe Token: 35 3140 winupdate.exe Token: 36 3140 winupdate.exe - Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 1460 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 81 PID 4680 wrote to memory of 2472 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 82 PID 4680 wrote to memory of 2472 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 82 PID 4680 wrote to memory of 2472 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 82 PID 4680 wrote to memory of 3388 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 83 PID 4680 wrote to memory of 3388 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 83 PID 4680 wrote to memory of 3388 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 83 PID 4680 wrote to memory of 3140 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 86 PID 4680 wrote to memory of 3140 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 86 PID 4680 wrote to memory of 3140 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 86 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 PID 4680 wrote to memory of 2828 4680 1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe 87 - Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 3388 attrib.exe 2472 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1a466065bc9997c4757e4739ed07fb42_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:4680 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
PID:1460
-
-
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\1a466065bc9997c4757e4739ed07fb42_JaffaCakes118.exe" +s +h2⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2472
-
-
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3388
-
-
C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"2⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
PID:3140
-
-
C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe2⤵
- Deletes itself
PID:2828
-
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
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
- Size 243KB
- SHA256 d340f8163f599b8f52eda452caf625c2036db62d4eca7e5bca8f7b095a1edcde
- MD5 1a466065bc9997c4757e4739ed07fb42
- SHA1 ede4dcfa02f62dd2f5de5e7987cbe64871ee2f66
- SHA512 e29cc862a941d667b0af0bb7c84815392bc9bc904e65d2ed0eb1de1bfcf216dd7e7e1579680bc1c2647a4e50aadaa9c57ba7e52fa55db284c5acd756e9fad077
- SSDEEP 6144:QFLFE+xd3Fyprbf6ZJr8DPBUDthcOWpa0pBRi08Y6:QPd1kcF8NUDjcOWpaabis
- MD5 SHA1 SHA512 SSDEEP