Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
13/05/2024, 11:38
General
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Target
2024-05-13_6cdc0f42621f8ce0be8d44e050bfd14c_cryptolocker.exe
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Size
59KB
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MD5
6cdc0f42621f8ce0be8d44e050bfd14c
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SHA1
30a17f87aaed6c8fe345df088f080c5c33e8c81c
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SHA256
e578d4ae303410f6efdafd44a6468003ae4bc2872fa1f6d89fc815021895fbde
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SHA512
fdd4dfa4f3e94dbb6b3c1bd356074a3f58f1f778e23fa9136f6520141032015493a868ea439b5ba3bf27bb74d7c5472cfb996d8a966daed5497432abec773c9d
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP3qhU:H6QFElP6n+gou9cvMOtEvwDpjCpVXhhU
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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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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-13_6cdc0f42621f8ce0be8d44e050bfd14c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-13_6cdc0f42621f8ce0be8d44e050bfd14c_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
59KB
MD5ba50000ce3a484f6ae3a0b28323b7b15
SHA17fb028eb281a92f406b5831f99564e9b9957c35f
SHA256a0a405b56df91263a3b92e41dd6dbaaa717cf8c9a737e7f12ec48e43351fb61a
SHA512e50ec45d714c155e2025fa47c91ec85163ed193068315a3937ff10ba1b841f162ac9c4dd2ff6bd3556b0cd46eaecb3558bf40b89686165122b14384c94ed798f
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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