Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
24-02-2024 14:43
General
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Target
2024-02-24_ad131a5942576284242cc52f4cc2f711_cryptolocker.exe
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Size
56KB
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MD5
ad131a5942576284242cc52f4cc2f711
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SHA1
7d4851f67680eace30aa050a0e1cd4b7b134c205
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SHA256
134807ebf2762e2db645e054977382cb8d7fe0e287c10dfdba25e83cfbb6519a
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SHA512
bfd16af69f771ef2da9f4d88d94f856b53f35b3a17d15329630d3ee653e42fe911cff07a6275db2fe1d8b156aff3cb482245b114e24766f3a2efad56b3d022e7
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61A:BbdDmjr+OtEvwDpjMC
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 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\2024-02-24_ad131a5942576284242cc52f4cc2f711_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-24_ad131a5942576284242cc52f4cc2f711_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
57KB
MD50713f7e7c2fa25704172f3b010f884bf
SHA1910c5b8e343e6e60cb84f6371d71a131a78898ea
SHA256b288ac4bad15e37e13f1724b2f49ad835467fdbae5971fabfd280007d661d025
SHA512f8ee8e72f32f469ea3ab828591ebc102dbbc0f7ed965c93a0cf2149acaf95f1c4cb37c9f5337a600bd50bbec2a9ef61458308587a684e2fd011e3a8d8a9e915a
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB