Analysis
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max time kernel
121s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25/07/2024, 11:22
Static task
static1
Behavioral task
behavioral1
Sample
6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe
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Size
258KB
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MD5
6f5ca5d824eed35080cf4c7769f847ff
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SHA1
3bec3ed77a41453067b84a3ca7b4d71f5936a9de
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SHA256
2ebcc002e85c9594c1b06c496e824866089161477fe1c73f38ec3cbe88359906
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SHA512
ceb4a27482d2eaac4f6c3be474a89b993e409e2966ac51220976a7a97b085ad5770b59e000cc51235382e5a48e585417770475ddf5372da61896fa062f0e39ae
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SSDEEP
6144:FucJpYeWHw9kzUTYnlSMfosaJb70nF+R3oPuTgjKuQ3:Fuc339ifuJ0nFPzQ3
Malware Config
Signatures
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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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation 6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe -
Executes dropped EXE 2 IoCs
pid Process 2656 exe.exe 1572 rsclient.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\exe.exe" exe.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 1 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 rsclient.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2656 exe.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1572 rsclient.exe 2656 exe.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1816 wrote to memory of 2656 1816 6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe 84 PID 1816 wrote to memory of 2656 1816 6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe 84 PID 1816 wrote to memory of 1572 1816 6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe 85 PID 1816 wrote to memory of 1572 1816 6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe 85 PID 1816 wrote to memory of 1572 1816 6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6f5ca5d824eed35080cf4c7769f847ff_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Users\Admin\AppData\Roaming\exe.exe"C:\Users\Admin\AppData\Roaming\exe.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2656
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C:\Users\Admin\AppData\Roaming\rsclient.exe"C:\Users\Admin\AppData\Roaming\rsclient.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD5b03a1d088010792fe3ab06a2a61196ea
SHA13367c9f077526c71ab10dce88998303078f5749b
SHA2569b4768bbfe6076c8a88b5d26ca97372a459b8dbdd679468f63de9cd3833e3e13
SHA5124213e1552a8eaab36c6daa1ca6f0f6984a2f3150468518b738fcb3621048839d2a2624589c5f4df23eede3828aa5a0ab61bdddd505dad314ef03c878d056f373
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Filesize
60KB
MD52a7cf13acb76bd371fc77250462deb7d
SHA11cec85761b0d62cf5da744adc2fb7c35a2934779
SHA256787c9933b171b34f77439c729bea9cf121c4d1336c5f037f55bb42115efd286d
SHA512161e315922983a9f729a972a1cb320f1762aff9d0708c68abaf559270ae409454af4496fd076c95ea219a3d9ca2794a0a934c6d4b539899617ff33f6638d8238