Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
27-04-2024 17:50
General
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Target
2024-04-27_dfe18461df15d66973c47294e791d313_cryptolocker.exe
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Size
60KB
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MD5
dfe18461df15d66973c47294e791d313
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SHA1
89736f84471aae11c0846336703907bdf1f547f9
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SHA256
3eb1a7ca919e860a23febdbb92a69d72ef5ea491519ac18bca97dd05050cfc54
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SHA512
4a16f9536b69fc45b2b4d6767ff5bf86f1b029ab31c2bd749c7252c15b3a45a7e0a48a314e4c62d3ba57c4b8ed67014c767e081647c513aa183be3ec43e4f12c
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SSDEEP
768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9w:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWBn
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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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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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\2024-04-27_dfe18461df15d66973c47294e791d313_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-27_dfe18461df15d66973c47294e791d313_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
61KB
MD53a65f0e5875f737168414a47f0cf7ee2
SHA18bfb5ada58f5078e6bd504b2591164e6fb1bd48f
SHA256db87980a3b7007ffbc00aa7d6ad850e6e0258fa50450f0fdd85aba0f76a6a3a4
SHA512719835161526448a24a8f259c3319526d35b9a7385fb06f8cf17c0c8908f721b27a455c828f3991318dd0d279c49988d3d674ea340715aa028928d198a728196
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB