Analysis
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max time kernel
106s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 11:23
Static task
static1
Behavioral task
behavioral1
Sample
f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe
Resource
win7-20240729-en
General
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Target
f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe
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Size
93KB
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MD5
f8439d7c735cca6c0c6b327fdc8204c2
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SHA1
625800e10a360245feff9695f99fea7adce14a49
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SHA256
9ec98abd98c8d1ac7519e7e2bae4f61af3f3265e7e4ca0ec59d7b79285d861dd
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SHA512
d8c2d34194b460cff19db3d4c1da8e3bc30b55e509515ea7a8b522aaf2349d549af1eaacd7297c576e12f26575fbe2d1b63d4034fdb6133e3d7f6e6b6a92310d
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SSDEEP
1536:4VNGceet8Gin2NxrcENi+ExDwm/g5eZfQqeaMEyeVqHEwh+yr2:MGClin2MEg5xDwm/g5eZYpEyKyh
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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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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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 f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1100 wrote to memory of 3340 1100 f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe 91 PID 1100 wrote to memory of 3340 1100 f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe 91 PID 1100 wrote to memory of 3340 1100 f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ytk.bat" "C:\Users\Admin\AppData\Local\Temp\f8439d7c735cca6c0c6b327fdc8204c2_JaffaCakes118.exe" "2⤵
- System Location Discovery: System Language Discovery
PID:3340
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71B
MD5e6b031b9b7d40fa332ebc6f38b2f9f64
SHA1d6dbffcfcc6a26188fd8d2e5b6257af4821fb48f
SHA25666a04ff993916bce61351e4c3b94ea079c806efb1723c7cd79bd32aaf6847e0b
SHA5127d17655334fcda4c3326110d340fd91cd23ee284dec99c3a8bbc8408342fda5f51e27aaba75fba4cccd513c342c22f07ad2cf6e2326ba575e3cc0eba4ea91948