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Analysis
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max time kernel
0s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
11/01/2024, 05:51
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe
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Size
45KB
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MD5
71babc413152fd46c09a7ef0cb4ecff8
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SHA1
9bf82a7d2fc88ebe8bd2d60e70c149e06a2a144a
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SHA256
c234f35702522e85baf0e3593d3a61d99a8db571b4c4f9ae2efb611a2cb75435
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SHA512
c56255470c8d8328050cd25301ed2a04e4abad4dbcae9efaa42f2d566612e2951f875d9e38eec4f8c3cd81b6aa21eb55c8217cfad66df629c78ccab683c77f73
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hrP:bgGYcA/53GAA6y37nbrP
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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3044 hasfj.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 4192 wrote to memory of 3044 4192 2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe 21 PID 4192 wrote to memory of 3044 4192 2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe 21 PID 4192 wrote to memory of 3044 4192 2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe 21
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:3044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
45KB
MD5859eb5a14a575f7aa1ead0d057d9f6e3
SHA1afdd73f0d4c7a9aef1b5bed71877d8dbf3bcfc5f
SHA256edcb067064834d22a811acd620d56edd95637f2d7a80163558d94a56d98cae20
SHA512c014380a3ec4a53751ed733b0e2e3349edaa4cf4f7df9624232b1aa55c73ad2bac51c3efd733cfa312603ddbfdff686743fde02143d16a995dcfac506f8c1ef5