Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20/04/2024, 19:20
Behavioral task
behavioral1
Sample
fd752580055a357c43dd234343f5d335_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
fd752580055a357c43dd234343f5d335_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
fd752580055a357c43dd234343f5d335_JaffaCakes118.exe
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Size
109KB
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MD5
fd752580055a357c43dd234343f5d335
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SHA1
44ba2d9e56075dd808593cc3577f38b3529b06a2
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SHA256
801c05a6819660b1a16be951e94c381fd4d237706159d1d12980e80041fe7368
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SHA512
ae73686eb46e4d375f8c85556020fc8bc4b6f97b716a01c2beb47001aacb83697976f9fab961cbd2c2f8f6516e0ea6601ce882b2003a65676ac2b3e66d73df45
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SSDEEP
3072:aT6pd+YKZg6Rw80yhvEvKLvqW+zydJx5kDaI2y3y/n:dpd96H0S8SLyWkydJx5kDaI2j/
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List svcnost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile svcnost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications svcnost.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\xxormkqicx1ddegqa3cyhbfpxxfatbjf2\svcnost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\xxormkqicx1ddegqa3cyhbfpxxfatbjf2\\svcnost.exe:*:Enabled:ldrsoft" svcnost.exe -
Loads dropped DLL 2 IoCs
pid Process 2432 svcnost.exe 2432 svcnost.exe -
resource yara_rule behavioral2/memory/324-0-0x0000000000400000-0x00000000006B0000-memory.dmp upx behavioral2/memory/324-1-0x0000000000400000-0x00000000006B0000-memory.dmp upx behavioral2/memory/2432-3-0x0000000000400000-0x00000000006B0000-memory.dmp upx behavioral2/memory/2432-4-0x0000000000400000-0x00000000006B0000-memory.dmp upx behavioral2/memory/324-5-0x0000000000400000-0x00000000006B0000-memory.dmp upx behavioral2/memory/2432-19-0x0000000000400000-0x00000000006B0000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mssend = "\"C:\\Users\\Admin\\AppData\\Roaming\\xxormkqicx1ddegqa3cyhbfpxxfatbjf2\\svcnost.exe\"" fd752580055a357c43dd234343f5d335_JaffaCakes118.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\desktop.ini svcnost.exe File opened for modification C:\Users\Admin\AppData\Roaming\desktop.ini svcnost.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry\SavedLegacySettingsML = 373732313430303033 svcnost.exe Key created \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry svcnost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 324 fd752580055a357c43dd234343f5d335_JaffaCakes118.exe 324 fd752580055a357c43dd234343f5d335_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 324 fd752580055a357c43dd234343f5d335_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 324 wrote to memory of 2432 324 fd752580055a357c43dd234343f5d335_JaffaCakes118.exe 94 PID 324 wrote to memory of 2432 324 fd752580055a357c43dd234343f5d335_JaffaCakes118.exe 94 PID 324 wrote to memory of 2432 324 fd752580055a357c43dd234343f5d335_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\fd752580055a357c43dd234343f5d335_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fd752580055a357c43dd234343f5d335_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Users\Admin\AppData\Roaming\xxormkqicx1ddegqa3cyhbfpxxfatbjf2\svcnost.exe"C:\Users\Admin\AppData\Roaming\xxormkqicx1ddegqa3cyhbfpxxfatbjf2\svcnost.exe"2⤵
- Modifies firewall policy service
- Loads dropped DLL
- Drops desktop.ini file(s)
- Modifies Internet Explorer settings
PID:2432
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
9KB
MD54a27242b307c6a836993353035fafc16
SHA15fea7a41b8f9071848108015d8a952e6f944eea0
SHA25602fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1
SHA51235e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be
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Filesize
54KB
MD57e8e966927e04a35aec644602b8a9e05
SHA1d201b0b41e8701818d60ddbf9f334332a512c4da
SHA25646f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c
SHA512246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51