Analysis
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max time kernel
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max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2024 18:11
Static task
static1
Behavioral task
behavioral1
Sample
5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe
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Size
410KB
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MD5
5d15e008b2b201631d3b16d5026e9931
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SHA1
aadd1314aac6cc37f41d37cdc0a0ce92f504f55f
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SHA256
0a5e0d6676ee93ae07febdff343882d26d9ea15b739e422a247a1c9e2d2b22d8
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SHA512
918d2690666a1cfcf9ee966df603a2407e2d81ac229ad2ef87ae16814177e742740a832ebe2014e711b5166ea87ae21101789a77995c0f3fbddb582beb493a68
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SSDEEP
6144:ssiDTBJFXOp0oGujq4HJQ8eYxqGXad5ZrVelz4VH08lWMAGjKpOzjed9X:sNOp0oaYgzd5belnMAH1fX
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 12 IoCs
description ioc Process 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\explorer.exe = "C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications 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 reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\server.exe = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 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 explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\server.exe = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe" explorer.exe -
Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1AD4D8EA-EFBD-3F72-860F-A11DFE5A3DAC} explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1AD4D8EA-EFBD-3F72-860F-A11DFE5A3DAC}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{1AD4D8EA-EFBD-3F72-860F-A11DFE5A3DAC} explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{1AD4D8EA-EFBD-3F72-860F-A11DFE5A3DAC}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe" explorer.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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation 5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 4944 explorer.exe 440 explorer.exe -
resource yara_rule behavioral2/files/0x00080000000234e3-15.dat upx behavioral2/memory/4944-22-0x0000000000400000-0x000000000049A000-memory.dmp upx behavioral2/memory/440-24-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-27-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-31-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/4944-29-0x0000000000400000-0x000000000049A000-memory.dmp upx behavioral2/memory/440-41-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-45-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-46-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-49-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-50-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-51-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-53-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-54-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-55-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-57-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-61-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-62-0x0000000000400000-0x0000000000474000-memory.dmp upx behavioral2/memory/440-63-0x0000000000400000-0x0000000000474000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\server.exe = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\server.exe = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe" explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4944 set thread context of 440 4944 explorer.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry key 1 TTPs 4 IoCs
pid Process 3016 reg.exe 3104 reg.exe 2932 reg.exe 3340 reg.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1676 5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 1676 5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe Token: 1 440 explorer.exe Token: SeCreateTokenPrivilege 440 explorer.exe Token: SeAssignPrimaryTokenPrivilege 440 explorer.exe Token: SeLockMemoryPrivilege 440 explorer.exe Token: SeIncreaseQuotaPrivilege 440 explorer.exe Token: SeMachineAccountPrivilege 440 explorer.exe Token: SeTcbPrivilege 440 explorer.exe Token: SeSecurityPrivilege 440 explorer.exe Token: SeTakeOwnershipPrivilege 440 explorer.exe Token: SeLoadDriverPrivilege 440 explorer.exe Token: SeSystemProfilePrivilege 440 explorer.exe Token: SeSystemtimePrivilege 440 explorer.exe Token: SeProfSingleProcessPrivilege 440 explorer.exe Token: SeIncBasePriorityPrivilege 440 explorer.exe Token: SeCreatePagefilePrivilege 440 explorer.exe Token: SeCreatePermanentPrivilege 440 explorer.exe Token: SeBackupPrivilege 440 explorer.exe Token: SeRestorePrivilege 440 explorer.exe Token: SeShutdownPrivilege 440 explorer.exe Token: SeDebugPrivilege 440 explorer.exe Token: SeAuditPrivilege 440 explorer.exe Token: SeSystemEnvironmentPrivilege 440 explorer.exe Token: SeChangeNotifyPrivilege 440 explorer.exe Token: SeRemoteShutdownPrivilege 440 explorer.exe Token: SeUndockPrivilege 440 explorer.exe Token: SeSyncAgentPrivilege 440 explorer.exe Token: SeEnableDelegationPrivilege 440 explorer.exe Token: SeManageVolumePrivilege 440 explorer.exe Token: SeImpersonatePrivilege 440 explorer.exe Token: SeCreateGlobalPrivilege 440 explorer.exe Token: 31 440 explorer.exe Token: 32 440 explorer.exe Token: 33 440 explorer.exe Token: 34 440 explorer.exe Token: 35 440 explorer.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 440 explorer.exe 440 explorer.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1676 wrote to memory of 4944 1676 5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe 88 PID 1676 wrote to memory of 4944 1676 5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe 88 PID 1676 wrote to memory of 4944 1676 5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe 88 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 4944 wrote to memory of 440 4944 explorer.exe 89 PID 440 wrote to memory of 232 440 explorer.exe 95 PID 440 wrote to memory of 232 440 explorer.exe 95 PID 440 wrote to memory of 232 440 explorer.exe 95 PID 440 wrote to memory of 1888 440 explorer.exe 97 PID 440 wrote to memory of 1888 440 explorer.exe 97 PID 440 wrote to memory of 1888 440 explorer.exe 97 PID 440 wrote to memory of 4220 440 explorer.exe 98 PID 440 wrote to memory of 4220 440 explorer.exe 98 PID 440 wrote to memory of 4220 440 explorer.exe 98 PID 440 wrote to memory of 3240 440 explorer.exe 99 PID 440 wrote to memory of 3240 440 explorer.exe 99 PID 440 wrote to memory of 3240 440 explorer.exe 99 PID 232 wrote to memory of 3016 232 cmd.exe 104 PID 232 wrote to memory of 3016 232 cmd.exe 104 PID 232 wrote to memory of 3016 232 cmd.exe 104 PID 4220 wrote to memory of 3104 4220 cmd.exe 105 PID 4220 wrote to memory of 3104 4220 cmd.exe 105 PID 4220 wrote to memory of 3104 4220 cmd.exe 105 PID 3240 wrote to memory of 2932 3240 cmd.exe 106 PID 3240 wrote to memory of 2932 3240 cmd.exe 106 PID 3240 wrote to memory of 2932 3240 cmd.exe 106 PID 1888 wrote to memory of 3340 1888 cmd.exe 107 PID 1888 wrote to memory of 3340 1888 cmd.exe 107 PID 1888 wrote to memory of 3340 1888 cmd.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5d15e008b2b201631d3b16d5026e9931_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Users\Admin\AppData\Roaming\explorer.exe"C:\Users\Admin\AppData\Roaming\explorer.exe"2⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Users\Admin\AppData\Roaming\explorer.exe"C:\Users\Admin\AppData\Roaming\explorer.exe"3⤵
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:440 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:3016
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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\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f4⤵
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\explorer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\explorer.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:3340
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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" /f4⤵
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:3104
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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\server.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\server.exe:*:Enabled:Windows Messanger" /f4⤵
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\server.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\server.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- Modifies registry key
PID:2932
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
33B
MD5437b5298b21ff83988a5014214f7c085
SHA159db6673f584569f67002dce676e0ecd908e138a
SHA25646b8cd59a10f2e8961682830f49c71789a46c6b0874b7ee939f62ffb84ee3e86
SHA512152afcf6c0d4c4947d23dbdcb2a1aae6185de07e5d5aaef1c45c4c81c3d67086c685f5785acae149caa804110999d310fdbe321a81fb90b4ff5c8ee4de233592
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Filesize
339KB
MD57f298547a19fde61d9e0b538585f5c38
SHA104f556a537602684c82d6133eed3b4fbff29e46c
SHA256b7fbb13d68c695b1d0b6a9bc3c6f9116b09b80eb39be48bd0f47f6f86f8f413f
SHA5129a17be58bded401812f00b48657e6bcb4adf27197d2d41331cbca15a49e41b117ff58525a804ac21003662b3011c59fae8b2f80147462c084da63cbeed77a32f