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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27/05/2024, 05:15
Static task
static1
Behavioral task
behavioral1
Sample
20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe
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Size
97KB
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MD5
e64d721ee29b0c9f913c86e0e9082948
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SHA1
893811ce963783c46e168cfc931fa94e088a6ca0
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SHA256
6f1c6e20e78ab644cc6c0593586f52623212a1e170a9cc8ed7e0ba547f6b105d
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SHA512
e3e7a6c39beafb245953c70896b90504845d5fcb9e0e310908429232eef14af587f387d431660b158425c8b04204a3298f31badb8986b4d51a7235cc69c28b57
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgRZ:V6a+pOtEvwDpjtzT
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4776 asih.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 3716 wrote to memory of 4776 3716 20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe 84 PID 3716 wrote to memory of 4776 3716 20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe 84 PID 3716 wrote to memory of 4776 3716 20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\20240526e64d721ee29b0c9f913c86e0e9082948cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
97KB
MD50ec3048d744b8f75f641c64a1be1d581
SHA190c4e5bac35ac8c95cc1e0a90689970379cb2f32
SHA2566918761047e6db559b58221fbb76c66c90d7eb03e4d00688fac6db1c76424e45
SHA512019572877d4432b723bb065c00bdd9b336cb2cb525611859894964ec5eb9a14806f998cb5e87e71091fdcd2d5d0337a7ea32bf3f30a9d72aeb6860a3119284e7