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Analysis
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max time kernel
149s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
16/04/2024, 18:33
Static task
static1
Behavioral task
behavioral1
Sample
f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe
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Size
239KB
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MD5
f4137ccd87f9d193a1f2d6f1683c2057
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SHA1
9445ba18c9b33622be0c285731ea492121d9f529
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SHA256
3f18d5364005b7f3c512b79125755189ebd7577a37bc4752b083fdf4d2ecc0e7
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SHA512
7b1295a4ccf623876465d5893354e696e7843b991567876b4d22ef3de684ef67afae8a80f78f015e168654f322169bc14e8aa9cf15c7db21a135892955b27cc5
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SSDEEP
6144:0F4me0jJPGbx9u8/tRgKtxNOO0ZuUMXYgx8POFal5:oe0jJi28/bgWxUMDlFC5
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\svchost.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\Server Host = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Active Setup\Installed Components\{D53AD88D-EF0A-4BC5-BDE5-8EEB9FFA2C8A}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D53AD88D-EF0A-4BC5-BDE5-8EEB9FFA2C8A} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{D53AD88D-EF0A-4BC5-BDE5-8EEB9FFA2C8A}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{D53AD88D-EF0A-4BC5-BDE5-8EEB9FFA2C8A} svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2272 svchost.exe -
Loads dropped DLL 1 IoCs
pid Process 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2272-12-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-13-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-16-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-19-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-21-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-23-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-38-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-39-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-40-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-43-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-45-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-46-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-48-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-49-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-51-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-52-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-53-0x0000000000400000-0x000000000047B000-memory.dmp upx behavioral1/memory/2272-55-0x0000000000400000-0x000000000047B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe" f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Server Host = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Server Host = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2320 set thread context of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 796 reg.exe 2704 reg.exe 2452 reg.exe 2560 reg.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe Token: 1 2272 svchost.exe Token: SeCreateTokenPrivilege 2272 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2272 svchost.exe Token: SeLockMemoryPrivilege 2272 svchost.exe Token: SeIncreaseQuotaPrivilege 2272 svchost.exe Token: SeMachineAccountPrivilege 2272 svchost.exe Token: SeTcbPrivilege 2272 svchost.exe Token: SeSecurityPrivilege 2272 svchost.exe Token: SeTakeOwnershipPrivilege 2272 svchost.exe Token: SeLoadDriverPrivilege 2272 svchost.exe Token: SeSystemProfilePrivilege 2272 svchost.exe Token: SeSystemtimePrivilege 2272 svchost.exe Token: SeProfSingleProcessPrivilege 2272 svchost.exe Token: SeIncBasePriorityPrivilege 2272 svchost.exe Token: SeCreatePagefilePrivilege 2272 svchost.exe Token: SeCreatePermanentPrivilege 2272 svchost.exe Token: SeBackupPrivilege 2272 svchost.exe Token: SeRestorePrivilege 2272 svchost.exe Token: SeShutdownPrivilege 2272 svchost.exe Token: SeDebugPrivilege 2272 svchost.exe Token: SeAuditPrivilege 2272 svchost.exe Token: SeSystemEnvironmentPrivilege 2272 svchost.exe Token: SeChangeNotifyPrivilege 2272 svchost.exe Token: SeRemoteShutdownPrivilege 2272 svchost.exe Token: SeUndockPrivilege 2272 svchost.exe Token: SeSyncAgentPrivilege 2272 svchost.exe Token: SeEnableDelegationPrivilege 2272 svchost.exe Token: SeManageVolumePrivilege 2272 svchost.exe Token: SeImpersonatePrivilege 2272 svchost.exe Token: SeCreateGlobalPrivilege 2272 svchost.exe Token: 31 2272 svchost.exe Token: 32 2272 svchost.exe Token: 33 2272 svchost.exe Token: 34 2272 svchost.exe Token: 35 2272 svchost.exe Token: SeDebugPrivilege 2272 svchost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2272 svchost.exe 2272 svchost.exe 2272 svchost.exe 2272 svchost.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2320 wrote to memory of 2272 2320 f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe 28 PID 2272 wrote to memory of 2528 2272 svchost.exe 29 PID 2272 wrote to memory of 2528 2272 svchost.exe 29 PID 2272 wrote to memory of 2528 2272 svchost.exe 29 PID 2272 wrote to memory of 2528 2272 svchost.exe 29 PID 2272 wrote to memory of 2404 2272 svchost.exe 30 PID 2272 wrote to memory of 2404 2272 svchost.exe 30 PID 2272 wrote to memory of 2404 2272 svchost.exe 30 PID 2272 wrote to memory of 2404 2272 svchost.exe 30 PID 2272 wrote to memory of 2592 2272 svchost.exe 31 PID 2272 wrote to memory of 2592 2272 svchost.exe 31 PID 2272 wrote to memory of 2592 2272 svchost.exe 31 PID 2272 wrote to memory of 2592 2272 svchost.exe 31 PID 2272 wrote to memory of 2860 2272 svchost.exe 32 PID 2272 wrote to memory of 2860 2272 svchost.exe 32 PID 2272 wrote to memory of 2860 2272 svchost.exe 32 PID 2272 wrote to memory of 2860 2272 svchost.exe 32 PID 2592 wrote to memory of 2560 2592 cmd.exe 37 PID 2592 wrote to memory of 2560 2592 cmd.exe 37 PID 2592 wrote to memory of 2560 2592 cmd.exe 37 PID 2592 wrote to memory of 2560 2592 cmd.exe 37 PID 2404 wrote to memory of 796 2404 cmd.exe 38 PID 2404 wrote to memory of 796 2404 cmd.exe 38 PID 2404 wrote to memory of 796 2404 cmd.exe 38 PID 2404 wrote to memory of 796 2404 cmd.exe 38 PID 2860 wrote to memory of 2704 2860 cmd.exe 39 PID 2860 wrote to memory of 2704 2860 cmd.exe 39 PID 2860 wrote to memory of 2704 2860 cmd.exe 39 PID 2860 wrote to memory of 2704 2860 cmd.exe 39 PID 2528 wrote to memory of 2452 2528 cmd.exe 40 PID 2528 wrote to memory of 2452 2528 cmd.exe 40 PID 2528 wrote to memory of 2452 2528 cmd.exe 40 PID 2528 wrote to memory of 2452 2528 cmd.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f4137ccd87f9d193a1f2d6f1683c2057_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\svchost.exe2⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:2452
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\svchost.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:796
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:2560
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:2704
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
31KB
MD5ed797d8dc2c92401985d162e42ffa450
SHA10f02fc517c7facc4baefde4fe9467fb6488ebabe
SHA256b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e
SHA512e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2