Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-12-2024 10:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe
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Size
340KB
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MD5
f39ddcb42f54dbd955b798ed1bb3379a
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SHA1
82afa930f6049202cc7e26dc460492d54319520f
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SHA256
303cfc0ae7efa5ca9e83da9e2ff453d789b6c145ab20c3295a8b80897926ba0b
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SHA512
c2dc6bdf5e2b1dd7a24d49416a3ad7fbed1e630e159412cf85be473b4ded923da443524401e01d0793603659572ae348ee369bce21deb4efaec9f01ece83a823
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SSDEEP
6144:gLR3lJlRmxtpBIUNQcocN6YnYkWm6W/jnL3BfDvOzOHOfbYcrRbfDvOHzqFr/bfv:ER1JlUxtpBIUNQcocN5nYkp7/jnL3BfU
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:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe" f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1" explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" explorer.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 f39ddcb42f54dbd955b798ed1bb3379a_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\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe" f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1648 set thread context of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 2612 set thread context of 1944 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 32 PID 1944 set thread context of 2744 1944 explorer.exe 33 -
resource yara_rule behavioral1/memory/2612-9-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-10-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-5-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-4-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-8-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-11-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-13-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-12-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-15-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2612-29-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-42-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-43-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-41-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-45-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-47-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-49-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-48-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral1/memory/2744-46-0x0000000000400000-0x00000000004B5000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 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 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 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 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeSecurityPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeSystemtimePrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeBackupPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeRestorePrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeShutdownPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeDebugPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeUndockPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeManageVolumePrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeImpersonatePrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: 33 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: 34 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: 35 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 2744 explorer.exe Token: SeSecurityPrivilege 2744 explorer.exe Token: SeTakeOwnershipPrivilege 2744 explorer.exe Token: SeLoadDriverPrivilege 2744 explorer.exe Token: SeSystemProfilePrivilege 2744 explorer.exe Token: SeSystemtimePrivilege 2744 explorer.exe Token: SeProfSingleProcessPrivilege 2744 explorer.exe Token: SeIncBasePriorityPrivilege 2744 explorer.exe Token: SeCreatePagefilePrivilege 2744 explorer.exe Token: SeBackupPrivilege 2744 explorer.exe Token: SeRestorePrivilege 2744 explorer.exe Token: SeShutdownPrivilege 2744 explorer.exe Token: SeDebugPrivilege 2744 explorer.exe Token: SeSystemEnvironmentPrivilege 2744 explorer.exe Token: SeChangeNotifyPrivilege 2744 explorer.exe Token: SeRemoteShutdownPrivilege 2744 explorer.exe Token: SeUndockPrivilege 2744 explorer.exe Token: SeManageVolumePrivilege 2744 explorer.exe Token: SeImpersonatePrivilege 2744 explorer.exe Token: SeCreateGlobalPrivilege 2744 explorer.exe Token: 33 2744 explorer.exe Token: 34 2744 explorer.exe Token: 35 2744 explorer.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 1944 explorer.exe 2744 explorer.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 1648 wrote to memory of 2612 1648 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 31 PID 2612 wrote to memory of 1944 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 32 PID 2612 wrote to memory of 1944 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 32 PID 2612 wrote to memory of 1944 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 32 PID 2612 wrote to memory of 1944 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 32 PID 2612 wrote to memory of 1944 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 32 PID 2612 wrote to memory of 1944 2612 f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe 32 PID 1944 wrote to memory of 2744 1944 explorer.exe 33 PID 1944 wrote to memory of 2744 1944 explorer.exe 33 PID 1944 wrote to memory of 2744 1944 explorer.exe 33 PID 1944 wrote to memory of 2744 1944 explorer.exe 33 PID 1944 wrote to memory of 2744 1944 explorer.exe 33 PID 1944 wrote to memory of 2744 1944 explorer.exe 33 PID 1944 wrote to memory of 2744 1944 explorer.exe 33 PID 1944 wrote to memory of 2744 1944 explorer.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Local\Temp\f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\f39ddcb42f54dbd955b798ed1bb3379a_JaffaCakes118.exe2⤵
- 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:2612 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies firewall policy service
- Windows security bypass
- Checks BIOS information in registry
- 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:2744
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
4