Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/07/2026, 07:50
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
15 signatures
150 seconds
General
- Target 2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe
- Size 52KB
- Sample260703-jphpmsdt9x
- SHA256 686079652cfd2dc73694979fd2a3890a141b01d8367502a3fa5ec0ca53c01f69
- MD5 60b1401e27c6d33fb8aea7bcae747ca3
- SHA1 a252afde7ea65b1176b7777cb8a0feb585c7448e
- SHA512 39edcebb1890a10c13d6ac48f291e7d8c4056fa1039aeaf34aa36dc99998643e32d686989e76d24a896cf0514c1e639faae593ef9baf3f7061814630babc90b9
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/2:bgGYcA/53GAGgIvF9v2ZR
- TLSH T1903312387BE56972E37BCFB586F691C2B975B8223C16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/3624-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000400000001dbbc-13.dat CryptoLocker_rule2 behavioral1/memory/1504-17-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1504-25-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - 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-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation 2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 1504 hasfj.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3624 wrote to memory of 1504 3624 2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-03_60b1401e27c6d33fb8aea7bcae747ca3_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1504
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 52KB
- SHA256 c930c6f83a239488969aee6b782a5731cf2f2e398a119292f48490660d9db67e
- MD5 f65b1017739080783a10792a3640c24b
- SHA1 4e68c331ae7efabd2dcb14e3e17bc6618871e41d
- SHA512 c4f7f80ef69ba60f51b1d0cade6996e0630e1bf176e4ea37d79e589bfcc720792448b74f51d4d9165b3f91fe2b67b56e0212bff8110caee77830f67b2acc6403
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/z:bgGYcA/53GAGgIvF9v2Zw
- TLSH T1923321387BE56972E37BCFB586F691C2B975B8223C16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH