Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
26-01-2024 16:34
General
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Target
2024-01-26_e718167d341d13c01d1a1142849ed2cc_cryptolocker.exe
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Size
55KB
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MD5
e718167d341d13c01d1a1142849ed2cc
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SHA1
f6be226d9d947d30407975e9ea45b08125dfea14
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SHA256
be8de87d73667fdebb53b6733472584aa4f1d211f9a2150a503cd1565935c152
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SHA512
c177da8189e2a33f06f3e8347155cffae001bd81cf6c09f955ee0d5bf42514e090aa6de69c0b24c18169d0e52273385062a2927162596210cfb59091882315be
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLh:zj+soPSMOtEvwDpj4yh
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-01-26_e718167d341d13c01d1a1142849ed2cc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_e718167d341d13c01d1a1142849ed2cc_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
55KB
MD52f46442e516cefa3d10344a155a30f8b
SHA1d5dc926a2326724a29762f4750a3ff08424d4a91
SHA2562591402175aa1a933f31d7bf84dd3fa935c809c1dbb08cf60da331cd52b80ac9
SHA512adf5bfe29df44b75a7746fadfe9a95583a80c18c66808fcada728fafc09499a5c3404aab295b4167500a1ddd8ac9afbddb5e83f6ab2c88a243bcde60089136b0
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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
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Filesize
64KB