Analysis
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max time kernel
94s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2024 07:50
Static task
static1
Behavioral task
behavioral1
Sample
a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe
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Size
980KB
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MD5
a6bc1efc599844ffad0f09f8d8c362f5
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SHA1
f3e349a40881bb546c5f64257c04869b61bdf369
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SHA256
f0a9c89d638fa825784321c357739d4ff39660629006f0fcf33c11a029d45fcb
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SHA512
f191026a471fb8b394f31a75479269df7006f1ca09fd5f85aa81fa30bf875f39a4570291a2cf23c5add1d6ad8fcde4a18976695095fb204f8fe9281ef709a0c4
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SSDEEP
24576:fiBAC55W62AAd2zCE+m1G68yf21H9r+hT/WLZK:fyAC55N2H7E+OG6Hfor+hoK
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023b79-12.dat family_ardamax -
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 1512 EMTU.exe 4276 Trainer.exe -
Loads dropped DLL 5 IoCs
pid Process 3712 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe 1512 EMTU.exe 1512 EMTU.exe 1512 EMTU.exe 4276 Trainer.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\EMTU Agent = "C:\\Windows\\SysWOW64\\Sys32\\EMTU.exe" EMTU.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\Sys32\AKV.exe a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\Sys32 EMTU.exe File created C:\Windows\SysWOW64\Sys32\EMTU.001 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe File created C:\Windows\SysWOW64\Sys32\EMTU.006 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe File created C:\Windows\SysWOW64\Sys32\EMTU.007 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe File created C:\Windows\SysWOW64\Sys32\EMTU.exe a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe -
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 3 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 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EMTU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Trainer.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1512 EMTU.exe Token: SeIncBasePriorityPrivilege 1512 EMTU.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4276 Trainer.exe 1512 EMTU.exe 1512 EMTU.exe 1512 EMTU.exe 1512 EMTU.exe 1512 EMTU.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3712 wrote to memory of 1512 3712 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe 82 PID 3712 wrote to memory of 1512 3712 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe 82 PID 3712 wrote to memory of 1512 3712 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe 82 PID 3712 wrote to memory of 4276 3712 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe 83 PID 3712 wrote to memory of 4276 3712 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe 83 PID 3712 wrote to memory of 4276 3712 a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a6bc1efc599844ffad0f09f8d8c362f5_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\SysWOW64\Sys32\EMTU.exe"C:\Windows\system32\Sys32\EMTU.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1512
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C:\Users\Admin\AppData\Local\Temp\Trainer.exe"C:\Users\Admin\AppData\Local\Temp\Trainer.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4276
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD52faa832b62991d302b56093477a76363
SHA12a26e0173a78c9c106ea799cce92ea163b44a345
SHA256a2076664d1267efa8b69a307b0cbde8521631f2789e06f5caa96799e7f34de48
SHA51220da18fb1350a441517498a1efeae9a21ead7592f9cdae724973c58385765100a2de5651fa991cdcc4668be777fe26bfba969dbc9706f16a54f5be258a84f347
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Filesize
548KB
MD5e856630ec50668e73217aca4b23660e9
SHA1b71d7b3bd6abd21ac327047573bd1540eb78faf2
SHA2563974f8e2684689df32aaedc10b8797a4f53c66ddd17e6ef536d258580481f306
SHA512808eb633263c88e7e35103e6734bfe2b7369bd0fb7c2bcb9c862dabf9d53d450bf22dd07fb91365f2d6438d6a3443a0d8feef63025a483c5908dcf3eefa89560
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Filesize
389KB
MD50a4d2002c7355a6c0d8e846fe02e7e89
SHA1cc1bf70d3d718d3d3dc1b43405d36285933feac7
SHA256be2cc3bda4c0e231ebae65a7c79ed1313d422e5fb2f871330080f8ca1792e455
SHA5129e229232bbc8e4faa0ea63e1069000c2e1582a5d7b72abb5535b003d339a0984b08a34a86b36e17dad61277f0456fe98fab2dbcd2db493feee927892ef7cba57
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Filesize
460B
MD590a989a987ecc546f168b988db941c10
SHA1cd87700b8a4e071fdb32e8e817d9f9216a6868cb
SHA256f08080c8190b71f637ddb19289c1d10be7a0d1b2444f84eac09fbb3904c57746
SHA512d945aace2bc064ddb41834f7206445c7ed01884c1a57b4df19a633807dfb7cb0dc8ed20247231b194791c839202887366c453f17335d68a173dbbdd1f8393c60
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Filesize
7KB
MD58013928e1446be1b8e77ca35211fd17e
SHA1c03a6c0516d1763bacc4da535383d3b4ddb506c3
SHA256d82bb0b7a29a9500a79e52b2ea84ea244f250cc7ff25174aa4ed5826d6b9c828
SHA512d5e55bb8dda7f44918bafb16098d39e363237053f84377d5d591d9010b0f14a6eb2260f9dd356e32e133ab2a42c1debed0424fbe7de932d8d363ac8a09a7660f
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Filesize
5KB
MD5bb3520f108916b0967e74a9167b44925
SHA129dd637355ec7d38955af75775a72ac32903d40c
SHA256f9be7b7c760a59f4d98213f4f80d45e405d1d0ac564d4f880ec820da178d45e5
SHA5127700bf7e8fd15df753bc83b8e243e4b62095824b8bea3f40d7213a5c6307f17d9fbab2f6c737e19ede5330539014ba6c583b25bd2d58b05f05f23683affe1d53
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Filesize
475KB
MD53d9eaf31ec5138624f1cf21706264bd6
SHA1f2c397f042c38862034333ed3c142a54896e0305
SHA25617c47ecc3481cb85c0336e7bd58f141f54fa1bbe604892c41d3e6a1945b43811
SHA512a849c329950bb015cc32624968c39c9f3f70fb37500e0292bbccb79a6413d4088d68d481e3c8c2ac0b8975b885387abe581d597892d906e357ac573c3525ed9e