Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
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submitted
13/06/2024, 04:32
General
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Target
2024-06-13_a3824cc5670519b520e1f3ae158f7220_cryptolocker.exe
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Size
68KB
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MD5
a3824cc5670519b520e1f3ae158f7220
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SHA1
5be0959f3baea93c2d44a11df27ab9e656e00872
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SHA256
969b2c0a8d028745803ff0877cd9c6875464f63ddd5e20dc32414fe9e2bf4e86
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SHA512
a39c008945de31a894db8cbec10f0cf56411a596bc7e48a6af6fcea8665460208962d3ce53d319faaae5abb28ce118c18bd3e3f24a503be426b84c9b3d0b2602
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRo:1nK6a+qdOOtEvwDpjN
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\2024-06-13_a3824cc5670519b520e1f3ae158f7220_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_a3824cc5670519b520e1f3ae158f7220_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
68KB
MD5b4ef927520d9c8300a7b5f49eec67e98
SHA13b34bd0215da74b9f075d5d3e77a30d0ce59f384
SHA25658891ff109c8b54187a0ecc728bb123fc48077c80fc92f7555fbad3ed8471d41
SHA5128ab9bee2b18a416261117052eda8ccccd69a37107a8ccff1005da30a3eaab24aeef54cc5a5cf5383749a41c00b9eda05b397bc7542232cc37de78959a455d53d
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB