Analysis
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max time kernel
137s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
02/06/2024, 00:52
Static task
static1
Behavioral task
behavioral1
Sample
a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe
Resource
win10v2004-20240508-en
General
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Target
a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe
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Size
28KB
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MD5
231dbbd4d6a4ffee4701ac5cf554eed6
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SHA1
f0c92286fd7a15b619792245eb54b5355874ac84
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SHA256
a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d
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SHA512
3604dc4cd40627e0b160bde06b20cfc44c87c6f20b55bb216c22c0faeec1a93efd051d137e29cd18781edd8c09c925383af9ea3871fc3b8abf02c7b9546fe3c2
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SSDEEP
768:uxckEEd62J7F3Gih1uTRTUzT81V3/QoGqVBgP:cc3jiF2ihRGV343
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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe -
Executes dropped EXE 1 IoCs
pid Process 3012 codecsupdater.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4920 wrote to memory of 3012 4920 a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe 83 PID 4920 wrote to memory of 3012 4920 a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe 83 PID 4920 wrote to memory of 3012 4920 a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe"C:\Users\Admin\AppData\Local\Temp\a313becb91924d928275537279835de37e46eb3bfa19dd72d2b2bed32be8f49d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"2⤵
- Executes dropped EXE
PID:3012
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD523bfa730f970899fafde0457c9f3d515
SHA199abbb1ea2374532e7a35795b01a1243608fc020
SHA256d9d8bb58cd50166d045a7982911e431a197bb9c13614c9d45bb7cc2b9c6198bb
SHA512b39a2b2ccd98ba3785aa12867a6ac49487b6a755d1edfebcfc570e394a58b84e606664079ade9cdfbaa035d02579c38533f9da8cea1ee9ac16deb1d308febe71