Analysis
- max time kernel
168s - max time network
178s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
12/01/2024, 06:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe
Resource
win7-20231215-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe
Resource
win10v2004-20231215-en
4 signatures
150 seconds
General
- Target 2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe
- Size 50KB
- Sample240112-gthjbsaaej
- SHA256 a0bd1be48f67bb32b9ab447f370d2be4cc3b42a574767bfda99047f93aae516c
- MD5 c6e5cd69b5574a2dac599cb4d9ad29ef
- SHA1 e5e9d0c27836135bf88cfb95caa5d18ebfd45bb8
- SHA512 c906f708898c6aca03eb47a29990d090ea1d37077e9178e4805f4e6f3c4a78f1b64ef8af918de46a272d7ba5bca7220a406d65bf246eeb3b7c45c6c66fa7a6ce
- SSDEEP 768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9J:bIDOw9a0DwitDZzW
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- 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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation 2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe - Executes dropped EXE 1 IoCs
pid Process 1240 lossy.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 5016 wrote to memory of 1240 5016 2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe 90 PID 5016 wrote to memory of 1240 5016 2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe 90 PID 5016 wrote to memory of 1240 5016 2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-11_c6e5cd69b5574a2dac599cb4d9ad29ef_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:1240
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 50KB
- SHA256 7ccd1f88e6eec0031f8a81435995d9c5c04bb8d8bf59e07b8b793137410fba5e
- MD5 4f89c550c7360368235c7d2eaa3a5d9a
- SHA1 a294789b97d176222fe34e54d70f6d8ec9f1e01b
- SHA512 39a894b4575e676ab83c72794efd4690d35612ef531e7cc0024c0da23767136645cc7b463c4c51f5275d4cc9f4053f91d77dd92fb2a842017944485a8770e2ac
- SSDEEP 768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK98Z:bIDOw9a0DwitDZzJ
- MD5 SHA1 SHA512 SSDEEP