Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
18/04/2024, 05:01
General
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Target
2024-04-18_b0810dcf53752272fd4cbbbb0206cf31_cryptolocker.exe
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Size
54KB
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MD5
b0810dcf53752272fd4cbbbb0206cf31
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SHA1
c5bf3d896ef0193c832c3fc6c03d2c35185f651c
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SHA256
ec06e97a8e9cc8e8aa3d05cc02d62195a8c99b23bc77bfb3953354ea630126d5
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SHA512
0014c15be151e7245f6c75b9d62795d9f73a94004294806651cf9e245dce4ba3c52df706f26b9c8b582b99464259c9a038b56aff49e346e57caaa4a0ef20b55a
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6Impy6:BbdDmjr+OtEvwDpjMN
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\2024-04-18_b0810dcf53752272fd4cbbbb0206cf31_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-18_b0810dcf53752272fd4cbbbb0206cf31_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
54KB
MD5eec95ecd9841803ff5feddb95a5d8f68
SHA165f5519537c69cca076991de0e3dcd9342491415
SHA2567427aaa01cdb69ca0c1cb756db6613528d88423ca46fa2ca4d9a767f538e2ce3
SHA5123091f641fe37a865b8a307592a429d4ea7034153fb7cf6e5b10e5b7af3b0d8499380fe66a747d95f7515716b9a42bad0f0a10c5cb9cd58edd05b8691d129a24e
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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