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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
23/07/2024, 15:54
Static task
static1
Behavioral task
behavioral1
Sample
6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe
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Size
226KB
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MD5
6838e7456102a1e9ea00059205e42418
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SHA1
5add4083a2ce784a22f5f543f9bb51d8da9a0fe6
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SHA256
f642293be37b95c23bfc994a7eb76e35337e86a2315fe18a314d16623257b194
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SHA512
0dc1740a0bca44ac776b0f84850bf74f6ad534913973c4fe80ce14b4ab72965a52d4b6b12d920f3851912c0336ed71111996df2d475fbf0064bdf59fcaaab855
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SSDEEP
6144:FKsp/bS6Hjj08VRCnKpYQEQP2uCmD8BVoPKx1wjIik:FrxVH/0QP21mwvDx1bB
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\SboxService.exe" 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\SboxService.exe" 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Roaming\\SboxService.exe,C:\\WINDOWS\\System32\\userinit.exe," 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Roaming\\SboxService.exe,C:\\WINDOWS\\System32\\userinit.exe," 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 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\{nnPJ8AWW-gCoH-HeaG-aFiK-E7pNQaD5oGaQ} 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{nnPJ8AWW-gCoH-HeaG-aFiK-E7pNQaD5oGaQ}\JyYFlNCl6JMVPI3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\SboxService.exe\" /ActiveX" 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral1/memory/2672-12-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-17-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-15-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-16-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-14-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-9-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-5-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-3-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-19-0x0000000000400000-0x000000000047A000-memory.dmp upx behavioral1/memory/2672-39-0x0000000000400000-0x000000000047A000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\JyYFlNCl6JMVPI3 = "C:\\Users\\Admin\\AppData\\Roaming\\SboxService.exe" 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JyYFlNCl6JMVPI3 = "C:\\Users\\Admin\\AppData\\Roaming\\SboxService.exe" 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Modifies WinLogon 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2796 set thread context of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Internet Explorer\Main 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 2672 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31 PID 2796 wrote to memory of 2672 2796 6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe2⤵
- Modifies WinLogon for persistence
- Boot or Logon Autostart Execution: Active Setup
- Disables RegEdit via registry modification
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2672
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\NewErrorPageTemplate[1]
Filesize1KB
MD5cdf81e591d9cbfb47a7f97a2bcdb70b9
SHA18f12010dfaacdecad77b70a3e781c707cf328496
SHA256204d95c6fb161368c795bb63e538fe0b11f9e406494bb5758b3b0d60c5f651bd
SHA512977dcc2c6488acaf0e5970cef1a7a72c9f9dc6bb82da54f057e0853c8e939e4ab01b163eb7a5058e093a8bc44ecad9d06880fdc883e67e28ac67fee4d070a4cc
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\dnserrordiagoff[2]
Filesize1KB
MD547f581b112d58eda23ea8b2e08cf0ff0
SHA16ec1df5eaec1439573aef0fb96dabfc953305e5b
SHA256b1c947d00db5fce43314c56c663dbeae0ffa13407c9c16225c17ccefc3afa928
SHA512187383eef3d646091e9f68eff680a11c7947b3d9b54a78cc6de4a04629d7037e9c97673ac054a6f1cf591235c110ca181a6b69ecba0e5032168f56f4486fff92
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\errorPageStrings[1]
Filesize2KB
MD5e3e4a98353f119b80b323302f26b78fa
SHA120ee35a370cdd3a8a7d04b506410300fd0a6a864
SHA2569466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66
SHA512d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\httpErrorPagesScripts[1]
Filesize8KB
MD53f57b781cb3ef114dd0b665151571b7b
SHA1ce6a63f996df3a1cccb81720e21204b825e0238c
SHA25646e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad
SHA5128cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa