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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/08/2024, 20:27
Static task
static1
Behavioral task
behavioral1
Sample
c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe
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Size
1.2MB
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MD5
c182a0a5db5d164eb63f8b70377476da
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SHA1
9192036d5991ee286c0c66fd46cff8c156e2cc37
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SHA256
0fa22668d3b699913d7229f46a17934a45d490af69f4c52e1fc35b5fbbf5c0a4
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SHA512
16b56605efce9689b669844d1f8b1e40a933aab43f2513f76dc22402953452d22da6403635bb7478f7dd889c3cbefd7d34814a942e88918f7c899c10b05a38b0
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SSDEEP
24576:P0NzTD1SZhX+dCZxVXXJxLPkPD6JWd6Qto5c2oc8pspylLB8gkG:P0pTOhX+d0JxLsDPW5TodGOd8l
Malware Config
Signatures
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x00070000000234f9-8.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4352 UEG.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\UEG Start = "C:\\Windows\\SysWOW64\\WFFJVC\\UEG.exe" UEG.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\WFFJVC\UEG.004 c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe File created C:\Windows\SysWOW64\WFFJVC\UEG.001 c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe File created C:\Windows\SysWOW64\WFFJVC\UEG.002 c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe File created C:\Windows\SysWOW64\WFFJVC\AKV.exe c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe File created C:\Windows\SysWOW64\WFFJVC\UEG.exe c182a0a5db5d164eb63f8b70377476da_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 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 c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UEG.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4596 wrote to memory of 4352 4596 c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe 85 PID 4596 wrote to memory of 4352 4596 c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe 85 PID 4596 wrote to memory of 4352 4596 c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c182a0a5db5d164eb63f8b70377476da_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\SysWOW64\WFFJVC\UEG.exe"C:\Windows\system32\WFFJVC\UEG.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:4352
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
485KB
MD5b905540561802896d1609a5709c38795
SHA1a265f7c1d428ccece168d36ae1a5f50abfb69e37
SHA256ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53
SHA5127663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc
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Filesize
61KB
MD50e7e847fb96b4faa6cb4d3707a96887e
SHA1896fd4064044e271312e9128e874108eec69521f
SHA256c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca
SHA512ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684
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Filesize
43KB
MD5f195701cf2c54d6ceadad943cf5135b8
SHA19beb03fc097fc58d7375b0511b87ced98a423a08
SHA256177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec
SHA512f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025
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Filesize
1KB
MD5d889b5707fddd2ebf071573be94bc215
SHA13b255ec1239667e513e358bc13dfe061795b0722
SHA256e2bea8f55b370176c4673d6bebffc0195241bc67862b75e099bc404d5f1351df
SHA512c8a726f07aa200c1448ffc4ba5e4a15dcfe48bbdc272320312b0b51f96f8c994a8bf993226e05e09036bc726f864c7f5d8b114d84508cff6ca28a9db2de3c769
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Filesize
1.7MB
MD5d95623e481661c678a0546e02f10f24c
SHA1b6949e68a19b270873764585eb1e82448d1e0717
SHA256cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da
SHA512dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591