Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
12-05-2024 20:29
General
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Target
2024-05-12_972d7d001180c88d4ed04a5ba4f2ec4c_cryptolocker.exe
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Size
39KB
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MD5
972d7d001180c88d4ed04a5ba4f2ec4c
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SHA1
f76002d68c9ab327262a967fccf794fa1fad2695
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SHA256
24854bd1c3275188a426c1d13439e35eb8d4a61ab7cf42ca4c9cca196ca94c2d
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SHA512
7056727d77ce7a9fee32c31c93dd9122e75e0df0eb88749905ed51e045bb9c4b27709340674a41e2c11e413978a68cb85b4fe4e9206bd1dc580e5d0cf03873da
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0O:qDdFJy3QMOtEvwDpjjWMl7TdCO
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\2024-05-12_972d7d001180c88d4ed04a5ba4f2ec4c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-12_972d7d001180c88d4ed04a5ba4f2ec4c_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
39KB
MD55361a45033699390c8a008665e8d53b2
SHA1280519fa33cdc662828c37dadd2a8fd738bddc48
SHA256a1fb57452b7877eadd83afa6f0a583fbbe8d374d5c08fa0fc0a0baea4bc954d4
SHA512cf5a5f078c06c58b0f01e5eac94230a4ed12f6270596a798d1e21cbc26004bb13d15e5c16929e78ed12453519015d40f59333f46167f825846a500bdd6f6801e
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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