Analysis
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max time kernel
148s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
20/02/2024, 12:45
General
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Target
2024-02-20_d249734aaaf9ee51be18f2215dd62fd3_cryptolocker.exe
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Size
39KB
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MD5
d249734aaaf9ee51be18f2215dd62fd3
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SHA1
347c79f308f133d73d1505091056747de158a57c
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SHA256
d2719c589f80aa44ba3cbc4032e7b943cf47796a9c554b96acc95ae9a018db1d
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SHA512
d638e39adbe258f246005a392a7baed623af74cb92133ba968acff92524ec90537f32ddb26e619b53e4e067a0e123548beb0de49ce00b1ac51a2b408d0b15598
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh67/Y:6j+1NMOtEvwDpjrRbY
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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Detects executables built or packed with MPress PE compressor 4 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\2024-02-20_d249734aaaf9ee51be18f2215dd62fd3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_d249734aaaf9ee51be18f2215dd62fd3_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
40KB
MD5759b75e76f644832a99d3edfbdd4ef28
SHA12275eb7aadbf60b4679b69806ac438320c274fef
SHA2564456f2fa1cb9bcb9ca3f4506010e63939815e9494b97512f15f55c81369dec72
SHA5123e3e5fe2fdeec36feb3a521f18e5603dba73f6dae2b668d6edbe55436883363badfa4bfa187ecb0c0678db532e78210ff6365827bcdb9c57ceff15cd48f11805
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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