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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
09/07/2024, 16:08
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe
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Size
47KB
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MD5
651d7908c7b6e2ecf862d0ac6287194a
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SHA1
c9e4b9dcb12f6a3f707ded0fe1445a143587ce7c
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SHA256
0b0677f1ce69f06e779729eea1b795ff3ae69000fad84339f0208d801cd9ec98
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SHA512
94b58e140495a632ccc322553337cc4aabce5ea8e4d9c88e3a0b2fae245651336fb0c419149950f7b2794f5b36f3cb5ebac3b07665aa131fcb86d1e8445c1cad
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SSDEEP
768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrD:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwz/
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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation 2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4772 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 3124 wrote to memory of 4772 3124 2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe 79 PID 3124 wrote to memory of 4772 3124 2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe 79 PID 3124 wrote to memory of 4772 3124 2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-09_651d7908c7b6e2ecf862d0ac6287194a_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD58f0b23ce337a122f6db1ce82551ed859
SHA1b22756123c3507033b38a118d6c46cdab001bce5
SHA256c488def836e376aaa056e24c7b4419c9c471d01fbc87a96c2ebcc7ca5da675dd
SHA5123de4171997df17b8bebfb13257b4fcc56e76dc77b9c7cad4cbcf9a8160869b8679864f2e16586e288ed07f4b8d416b202721c0a9e39afa9f3dd54cb3645cad20