Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
13/06/2024, 03:36
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe
Resource
win7-20231129-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe
Resource
win10v2004-20240508-en
6 signatures
150 seconds
General
- Target 2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe
- Size 39KB
- Sample240613-d6c8lashlc
- SHA256 ea0051264abbe75be3b04428243da23ae5c537c63b55913ddbe00e92511d774b
- MD5 702c1f8048c3e11b74557b115d715f2f
- SHA1 4b7f6cd15b788de8a0f41dc30b6964ce7262b3db
- SHA512 327fb1611a965beb9eb55f0cdd8f0259cd39ff43d1b4264e1024a2800b491ef92753c7cac3389f6d9689910fb62bba7bf98f9a1cd5a3cf2f6463ea215d7579fb
- SSDEEP 768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qj:fT+hsMQMOtEvwDpjoIH8
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000c0000000233da-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000c0000000233da-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 2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe - Executes dropped EXE 1 IoCs
pid Process 1008 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 372 wrote to memory of 1008 372 2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe 82 PID 372 wrote to memory of 1008 372 2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe 82 PID 372 wrote to memory of 1008 372 2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_702c1f8048c3e11b74557b115d715f2f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:1008
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 39KB
- SHA256 2c59fb3ad8b18c61c0b6a7d66bbb72bf40a370864085509acb110186659204a8
- MD5 dda6eb3193290459204c4be905590d9f
- SHA1 ffdcc7a34529426cb0be4b88ef44b64972f95d66
- SHA512 5209717b42f672a9161a1522cf58d80ce388746303688b3bf4a0bfb65c914d4e451591732d1bc64ce68f7fb4304a1c48070ce6ff6e369221b4f72fba11274815
- SSDEEP 768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qA:fT+hsMQMOtEvwDpjoIHP
- MD5 SHA1 SHA512 SSDEEP