Analysis
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max time kernel
148s -
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
03/10/2024, 02:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe
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Size
38KB
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MD5
7d5a1b578035959b37b7145763209055
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SHA1
a390b17e031507772405d77552a0ff13a5228209
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SHA256
00f383eaec18cef93137a932f2cea39709aa838512223381118162f133e2e9f0
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SHA512
9a6d41c0d32bfcd9316c1243dca2e0058a20223863e0c554ec14eec2b03c2bd7e482f5f2660e72baead58795ff1cbc882998596d2753b1369c32961092b9e31d
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5ax+5:V6QFElP6n+gMQMOtEvwDpjyaYaE
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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 844 asih.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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5032 wrote to memory of 844 5032 2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe 82 PID 5032 wrote to memory of 844 5032 2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe 82 PID 5032 wrote to memory of 844 5032 2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD5e2508bb83274f9577cdb42a8cc620ab3
SHA17d5f494d455fc850f501a905273fbfdec4d6c4ef
SHA2564dd2407ffcef2b343472c918e617d9ff419862d0beea029fb0fd566e8abb7ff3
SHA5124f81f9323da0fb8ff446ef58bc419dc41b6d3c650a2181ba6a6554ce9b1a5f6494b93c247f32d82853fda198cb4f22d60a4d55e73732b14331473f239305b7b5