Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
18/01/2024, 23:13
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe
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Size
68KB
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MD5
ac093dce24b4dd7d822164a728fea2c9
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SHA1
1b3818a1772a41e918be6d3761de94462bf56516
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SHA256
2b73d03167dfa587342156460aeca44e7de2b1368d34ae6c7602743a0e5db247
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SHA512
eb8c88a12a438dbf89f90f6023cd27717130252a129581358e929fcc5f7f08c711b299fdb69461694e250975be2de9fdb8954ee0bbe5ba96af597320e6c6855b
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rk:vj+jsMQMOtEvwDpj5HZYTjipvF248/
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a000000013a21-21.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a000000013a21-21.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 1944 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2172 2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2172 wrote to memory of 1944 2172 2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe 21 PID 2172 wrote to memory of 1944 2172 2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe 21 PID 2172 wrote to memory of 1944 2172 2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe 21 PID 2172 wrote to memory of 1944 2172 2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe 21
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:1944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
68KB
MD5f1eb143658ded44a5bc26f1e6c502cb5
SHA195f97ca1dcd7328e9193906ec32e463780d8f5cd
SHA256245bdad9b72aeab11457b9b4b6bd93cb6c2549a8eb6762b4d5fbd1520455e4ac
SHA51227a948768c3d7e0ab698a938854447b300c0ad6e277783a99c86f6406691cb1d4a25cff69e6115f9c5e364968a0a611352d1b387a79886655873704257ab29be