Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
25/05/2024, 21:31
General
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Target
2024-05-25_9ce35df4925ae3917d9c8dd38431ce19_cryptolocker.exe
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Size
40KB
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MD5
9ce35df4925ae3917d9c8dd38431ce19
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SHA1
a8457d764898055d43aa823975fbb5a291a3277f
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SHA256
886addf7c69c90bc02c10af1806dd968c9c34ae8699b4de7672a60bd9e9e946a
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SHA512
bef47d766360728cff69728b2bf3788ad4ff802b66f4d40d4e0583e6dedd3fd07ddaacb3bc66883e635dcb55d9cf29c93b7b0368da1567e9ed51ae7368ec573f
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8d:qDdFJy3QMOtEvwDpjjWMl7Tdn8d
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\2024-05-25_9ce35df4925ae3917d9c8dd38431ce19_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_9ce35df4925ae3917d9c8dd38431ce19_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
40KB
MD54048b05e0227888bf4289ca3e91be066
SHA16b5d4460fdb8b303efff0c36b9d1c9224b994663
SHA25661435fe8eeb8f53ab4cc5b0ab12edceb4ce1ef2378d8e365c3b732610c59b730
SHA5122b5c21db4e8d5aac7bc7149fd2d205cac01d82b7740dadda4a6d87e1279debd3b7ecf7b061b25b8e3c7817a0d5674bdaa671e493fa2d360f85cc8640be1fc0cc
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB