Analysis
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max time kernel
120s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-01-2025 00:47
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe
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Size
1.1MB
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MD5
12622b2499dd9f62ec0190b4cd4dcc3d
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SHA1
d99078a6306837ca9a1ef390822c78dd6b13e5be
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SHA256
c9bd5f4ffaea7bb2696c4971cb437bf7f25da2d375e5ae20a56a3356d26fec47
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SHA512
1e5f58f8ac624508d641457a296f27db216aa45679612b083abe7a98f3feb16896972a9815a92e851979e007183775e3c30de5861f09d410005b6dca6cc1910f
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SSDEEP
24576:dZxTfgDMsT5kIndII0gdATfBv3taMat0IlUFug05LS6wamrd:dXT4H0UoplaMatq4dLmr
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023b6e-8.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 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe -
Executes dropped EXE 1 IoCs
pid Process 3012 KYK.exe -
Loads dropped DLL 1 IoCs
pid Process 3012 KYK.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\KYK Start = "C:\\Windows\\SysWOW64\\XCQJSV\\KYK.exe" KYK.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\XCQJSV\KYK.exe JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe File opened for modification C:\Windows\SysWOW64\XCQJSV\ KYK.exe File created C:\Windows\SysWOW64\XCQJSV\KYK.004 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe File created C:\Windows\SysWOW64\XCQJSV\KYK.001 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe File created C:\Windows\SysWOW64\XCQJSV\KYK.002 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe File created C:\Windows\SysWOW64\XCQJSV\AKV.exe JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.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 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 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KYK.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 3012 KYK.exe Token: SeIncBasePriorityPrivilege 3012 KYK.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3012 KYK.exe 3012 KYK.exe 3012 KYK.exe 3012 KYK.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5056 wrote to memory of 3012 5056 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe 82 PID 5056 wrote to memory of 3012 5056 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe 82 PID 5056 wrote to memory of 3012 5056 JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12622b2499dd9f62ec0190b4cd4dcc3d.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Windows\SysWOW64\XCQJSV\KYK.exe"C:\Windows\system32\XCQJSV\KYK.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:3012
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
456KB
MD51f29b1075a91b3da0ccc0b9c49eece56
SHA1048e675f087181035aedece9e7b11d065c6355cc
SHA2564f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e
SHA5127e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060
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Filesize
61KB
MD55b907df2834d72acb5888e666905e7b2
SHA1342efa496cc3d918f7efdb8a84b4d2292d046e5e
SHA25672fff0c88f8bd913a6cd4cd9526c45a601d07c0300a76df99fe7c2df4ea2f2ae
SHA5128d9489562eefe8af9442b3d2caf8b5ae5678df4e6bbd862c8b1fe72ec8b2fb322754c1046959ecaf32cff68d92422eeaa6d611f45a08dcce9a693e08a8dde476
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Filesize
43KB
MD5093e599a1281e943ce1592f61d9591af
SHA16896810fe9b7efe4f5ae68bf280fec637e97adf5
SHA2561ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009
SHA51264cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc
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Filesize
1KB
MD538dc5d7c0761b50f3e6c7c63fc1eb1a5
SHA13324dfd50512ff857af556f28d0dda38627dda51
SHA25697c5c1bfbf0f202025311215706b5e94b3f499f40dbef23738b575658b219009
SHA512a9c88ab49a6a8b9d4b9d56805bd238287a6dc365c3b75ec6c0b614d56c9a565ecb4e47b426e5a68bc87e701b9e48b34789c76f7f2f5aeaaabc774c901a6d2b30
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Filesize
1.5MB
MD50aaffc12ef1b416b9276bdc3fdec9dff
SHA19f38d7cf6241d867da58f89db9ff26544314b938
SHA25642b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b
SHA512bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c