Analysis
- max time kernel
141s - max time network
125s - 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, 09:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe
- Size 263KB
- Sample240723-lsdk7szaqa
- SHA256 f708774408205bb5120c042a1488930d69494520d6d4780482f57b95deb57b5f
- MD5 6713d1d62c592b59c88c252cd9082912
- SHA1 10f76ad6075c655c1180fbaa2699c3e5f9bd1c99
- SHA512 d780d4001edbd5bbf91be72b7ccd2651ee1d81f4bed4c180eeab7562a898016d625d97b865257b709d6de5f27ed08c8f59f9eba29e42530854d623bea8eac9cf
- SSDEEP 6144:RGxFLtRwhrk5GW70yiim3jZxx+Y4v3wmtQolFG:KnRSWg9zZxxYvA2JW
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
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:\\Windows\\system32\\Windupdt\\winupdate.exe" 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe - Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/2040-0-0x0000000013140000-0x00000000131FC000-memory.dmp upx behavioral2/memory/2040-1-0x0000000013140000-0x00000000131FC000-memory.dmp upx behavioral2/memory/2040-2-0x0000000013140000-0x00000000131FC000-memory.dmp upx behavioral2/memory/2040-5-0x0000000013140000-0x00000000131FC000-memory.dmp upx behavioral2/memory/2040-7-0x0000000013140000-0x00000000131FC000-memory.dmp upx behavioral2/memory/2040-6-0x0000000013140000-0x00000000131FC000-memory.dmp upx - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\Windupdt\\winupdate.exe" 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\Windupdt\\winupdate.exe" notepad.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\Windupdt\winupdate.exe 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\Windupdt\winupdate.exe 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\Windupdt\ 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe File created C:\Windows\SysWOW64\Windupdt\winupdate.exe notepad.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2180 set thread context of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2040 set thread context of 2260 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 89 - Program crash 1 IoCs
pid pid_target Process procid_target 3992 2260 WerFault.exe 89 - Checks processor information in registry 2 TTPs 4 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\ProcessorNameString 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe - Suspicious use of AdjustPrivilegeToken 24 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeSecurityPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeSystemtimePrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeBackupPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeRestorePrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeShutdownPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeDebugPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeUndockPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeManageVolumePrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeImpersonatePrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: 33 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: 34 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: 35 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe Token: 36 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2180 wrote to memory of 2040 2180 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 87 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 4944 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 88 PID 2040 wrote to memory of 2260 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 89 PID 2040 wrote to memory of 2260 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 89 PID 2040 wrote to memory of 2260 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 89 PID 2040 wrote to memory of 2260 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 89 PID 2040 wrote to memory of 2260 2040 6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\6713d1d62c592b59c88c252cd9082912_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks BIOS information in registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- Adds Run key to start application
- Drops file in System32 directory
PID:4944
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵PID:2260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 3484⤵
- Program crash
PID:3992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2260 -ip 22601⤵PID:4592