Analysis
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max time kernel
106s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
18/04/2025, 14:39
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe
Resource
win11-20250410-en
General
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Target
JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe
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Size
480KB
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MD5
be7f42f1d4defb40566384d21230adac
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SHA1
3a39b2fc7edd99e596a64d059ac4e303b1d3a26a
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SHA256
8d541bf6fc504063e35bbc09b31023f6d092b040997110a534c4da264fb14966
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SHA512
9fd24e4c997aac62e3ff457443ea2ee5d71e74e03133ecdeab004d305e026bca4a55866b11192f2acbca656b96e1fe3951a08b15ea8f20237d337733f9b2c5e6
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SSDEEP
12288:D/vbptVXjZ2+2AtH/45BFGDMsVGqubXVgzqSNi7cqv9k9Iszl:v5ZDp45BFSMsVGpV22h9k9Iszl
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral1/files/0x0007000000024229-12.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-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe -
Executes dropped EXE 2 IoCs
pid Process 5740 VYLS.exe 2880 VYLS.exe -
Loads dropped DLL 7 IoCs
pid Process 4704 JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe 5740 VYLS.exe 5740 VYLS.exe 5740 VYLS.exe 2880 VYLS.exe 2880 VYLS.exe 2880 VYLS.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\VYLS Agent = "C:\\Windows\\SysWOW64\\28463\\VYLS.exe" VYLS.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\28463\AKV.exe JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe File opened for modification C:\Windows\SysWOW64\28463 VYLS.exe File created C:\Windows\SysWOW64\28463\VYLS.001 JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe File created C:\Windows\SysWOW64\28463\VYLS.006 JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe File created C:\Windows\SysWOW64\28463\VYLS.007 JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe File created C:\Windows\SysWOW64\28463\VYLS.exe JaffaCakes118_be7f42f1d4defb40566384d21230adac.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 VYLS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VYLS.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 5740 VYLS.exe Token: SeIncBasePriorityPrivilege 5740 VYLS.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5740 VYLS.exe 5740 VYLS.exe 5740 VYLS.exe 5740 VYLS.exe 5740 VYLS.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4704 wrote to memory of 5740 4704 JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe 85 PID 4704 wrote to memory of 5740 4704 JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe 85 PID 4704 wrote to memory of 5740 4704 JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe 85 PID 3012 wrote to memory of 2880 3012 cmd.exe 89 PID 3012 wrote to memory of 2880 3012 cmd.exe 89 PID 3012 wrote to memory of 2880 3012 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be7f42f1d4defb40566384d21230adac.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be7f42f1d4defb40566384d21230adac.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:4704 -
C:\Windows\SysWOW64\28463\VYLS.exe"C:\Windows\system32\28463\VYLS.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:5740
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\28463\VYLS.exe1⤵
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\28463\VYLS.exeC:\Windows\SysWOW64\28463\VYLS.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2880
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
4KB
MD5c3679c3ff636d1a6b8c65323540da371
SHA1d184758721a426467b687bec2a4acc80fe44c6f8
SHA256d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb
SHA512494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7
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Filesize
395KB
MD5b8fa30233794772b8b76b4b1d91c7321
SHA10cf9561be2528944285e536f41d502be24c3aa87
SHA25614116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a
SHA51210ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d
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Filesize
398B
MD54cc31cc2442759d9064607dc57bcfebf
SHA1a785018c58d67348af27179d02263bc7c405fcaf
SHA256e5fe29961a3aea9251f2bf5dfa9621d49ab3ef58ad26d981ddd355d7a536d8b4
SHA5122095336d25dbedea94d8e776b40f8ec2d8f2152ffa855626d2aef30cc811c90fc56aeef7f24f51e8a94b357eeb2ca5562806cf0d6c0cc5934c6403845ed71c47
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Filesize
8KB
MD543f02e9974b1477c1e6388882f233db0
SHA1f3e27b231193f8d5b2e1b09d05ae3a62795cf339
SHA2563c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba
SHA512e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f
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Filesize
5KB
MD5b5a87d630436f958c6e1d82d15f98f96
SHA1d3ff5e92198d4df0f98a918071aca53550bf1cff
SHA256a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2
SHA512fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce
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Filesize
473KB
MD517535dddecf8cb1efdba1f1952126547
SHA1a862a9a3eb6c201751be1038537522a5281ea6cb
SHA2561a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd
SHA512b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8