Analysis
- max time kernel
0s - max time network
36s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
10/06/2024, 07:04
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe
Resource
win7-20231129-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe
Resource
win10v2004-20240508-en
6 signatures
150 seconds
General
- Target 2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe
- Size 49KB
- Sample240610-hv7qaade9t
- SHA256 7a848670c67dd2ec74ba41e3328681280218354dbb4ac8bac12484c4cd8ade8b
- MD5 64bb6a2c19c8612bfc4d5751eed7dd16
- SHA1 06ea29874fc915233ff8c64ffb3e0127d3978cfa
- SHA512 7bbac69ff2686df5ca74f41bf5502a380cacf884a9fce0aa2fbb407d6e0e8f7b984388afc944eca31947359b72d2f1a4625d0f9fbbe5b9848877a4995784239b
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nl:vj+jsMQMOtEvwDpj5HczerLO04BS
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000022f51-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000022f51-12.dat CryptoLocker_set1 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe - Executes dropped EXE 1 IoCs
pid Process 2800 misid.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4016 wrote to memory of 2800 4016 2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe 83 PID 4016 wrote to memory of 2800 4016 2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe 83 PID 4016 wrote to memory of 2800 4016 2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-10_64bb6a2c19c8612bfc4d5751eed7dd16_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4016 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2800
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 49KB
- SHA256 fa3d2e113af5475b47f8b88f2c0e1a367086f3790578ccdaa433e55e62292ff5
- MD5 1322bca893591a1d34ab7d6a9b0b527f
- SHA1 119e3ebed16a027c3e3abdb22a896f3cf83a3000
- SHA512 2112deaade02ff7e561af91b72adc66ea955093a1ef72a9ca402d2c22f922604f012f394881ff1a849838fa3b5f99a2d3b73fd1d5729b3f3c14036dbcdddf77a
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nq:vj+jsMQMOtEvwDpj5HczerLO04Bt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\misids.exe
- Size 315B
- SHA256 d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3
- MD5 a34ac19f4afae63adc5d2f7bc970c07f
- SHA1 a82190fc530c265aa40a045c21770d967f4767b8
- SHA512 42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765
- MD5 SHA1 SHA512