Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
28/01/2024, 00:32
General
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Target
2024-01-28_92d588a3a3bb0e2cd5ba5ee83e6a03ef_cryptolocker.exe
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Size
48KB
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MD5
92d588a3a3bb0e2cd5ba5ee83e6a03ef
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SHA1
3f571c5356e0edcbb5fb490889a15425160ee4db
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SHA256
8436d2350dc05df18a3003e7f65d5eee3d11d841c108e40397789bbef67da5b2
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SHA512
bfe5797bfec24d1bb936c94c8dbba1cb7c27e3531f603ca1c750319541c75b9c254bc39c61e43f8759f0e0ad2c452eee61682d40fd0494355d25acfca8ca4fd0
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnTHGS:79mqyNhQMOtEvwDpjBxe8GGS
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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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
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-28_92d588a3a3bb0e2cd5ba5ee83e6a03ef_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_92d588a3a3bb0e2cd5ba5ee83e6a03ef_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5d659b278f3fa5b95277ec96b6729256a
SHA180976d958ba381ad24d9e10a20e3850c82743626
SHA256dd03e6bbd48be095ed5afd10703c78deb1d397d69f5c5b9ccf08a8b1b9c43fe8
SHA5126cb9e6f77d13fb64c969328f8982abcdf842f00cf480404f758f5d3f58f68429fef5550b2a0806d86a3dc2feecb7ac8aaa741dd07e98750d0e15268fa1c66d8e
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB