Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
23-02-2024 01:48
General
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Target
2024-02-23_a67a0be11ad057cfc7a124f231dcc922_cryptolocker.exe
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Size
117KB
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MD5
a67a0be11ad057cfc7a124f231dcc922
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SHA1
b517aa93c42c5bc6976e2681c5f39666af0f883a
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SHA256
b3847bb306dee3b5c129671b7b72267baeb07f5e5756fe544c0acd05b8f2f9d4
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SHA512
80a1c3cbb12fe09c851ad865a34a1d6a3225bbb3a62c95edbc4abaa5f72e527d598917d4becdb6776b0ace3d4f38a9068f8249d229638f94a3f046c852234304
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01ZNn:z6a+CdOOtEvwDpjczB
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-23_a67a0be11ad057cfc7a124f231dcc922_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_a67a0be11ad057cfc7a124f231dcc922_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
117KB
MD5bc69f923c192a0e2d2797a83bd901c04
SHA1002acc87e4cc7ac7243be6acc6b3bf0c7fc27e60
SHA256e16b6cc0671d0010f1f62621a4610792cb9e698c52b85191c691b1d6ef021424
SHA512080cfd0bd582b93868fa1346d8f4822dd16a5d9496b77350053cbcb35b7c1dcc6f621e36558b2c110d978b6cecda72166626868acbb4b3f7df17dd37a058305f
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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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