Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
03/06/2024, 04:41
General
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Target
2024-06-03_ffcf432f33946b9297a3e94e1424c8fc_cryptolocker.exe
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Size
37KB
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MD5
ffcf432f33946b9297a3e94e1424c8fc
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SHA1
e68d8aa25010210c113db063ad9f7eea6eec163b
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SHA256
1b26dd483b167dbdb9df60c6b24b1203adab1b9b7f177b3ccbb05428f87f2586
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SHA512
e11a4e440cdbd8c503257b31b5376ff8b3f477f14e75e976ad2a0990c5de7e71eaee3feb7399b9872f698102eb924b055edf46e6a12257e5157364597218cfa0
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3VKLM:qUmnpomddpMOtEvwDpjjaYaQQM
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\2024-06-03_ffcf432f33946b9297a3e94e1424c8fc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_ffcf432f33946b9297a3e94e1424c8fc_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
37KB
MD55f721827a7fe1a4c1b42deb31e22bdbb
SHA1b5b90a226ad7b2144d8a6f1acdb60b4a2bdb789a
SHA256f0fcc59ae066afab14889561fc366940fad16a0487f3e1d1416cc32b65b5d10b
SHA512a489be464527a73fe167ba8a5800606d00d489e57146814e254fb1f8c9a8d4f399a1f3d9f70a17d10fa9a2ae60c0f8bc43db5ab76b8c924f307da1fe31b4bc64
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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