Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 22:16
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-25_6cc5a4cc50ac93c4c6ca7409e8c731f4_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-25_6cc5a4cc50ac93c4c6ca7409e8c731f4_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-25_6cc5a4cc50ac93c4c6ca7409e8c731f4_cryptolocker_elex.exe
- Size 30KB
- Sample260826-1675asff69
- SHA256 b7a79802b0020e9dd50155924861709633c31e7953b21ed80fe9dd9b8d512dd0
- MD5 6cc5a4cc50ac93c4c6ca7409e8c731f4
- SHA1 3ac45c8f2114545d06053ff6b97b97ef0e0cc63f
- SHA512 8edfeb8ba42c856038670e4a35c932292aebf617c2194b88220f84fe1c9c7519f99b67000171b20cd86cebe678bddc6067775cf2e81d8e6b52f29c23c64fcc74
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHMmHBda2Vf5:b674zYcgT/Ekd0cqfjzsmHBdzj
- TLSH T1C7E2D9347BE72D71E33B9E7456F79082B93AB8223D25484E58CE73488973B92AC4154E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/files/0x00170000000115e1-11.dat CryptoLocker_rule2 behavioral2/memory/4588-19-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4260-27-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4260 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 2026-08-25_6cc5a4cc50ac93c4c6ca7409e8c731f4_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 4588 wrote to memory of 4260 4588 2026-08-25_6cc5a4cc50ac93c4c6ca7409e8c731f4_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-25_6cc5a4cc50ac93c4c6ca7409e8c731f4_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-25_6cc5a4cc50ac93c4c6ca7409e8c731f4_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588 -
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:4260
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 31KB
- SHA256 7c6ef758971a2a34a2257999378a4e4c7e35e449d73e387ee15a6dda09bae166
- MD5 7ec868598d8a68a3e458b2a28f0722c1
- SHA1 06afd246b53be4e311327c792e715c095d8c12b6
- SHA512 e073f2d7935a03b3c27eab08d367e8274e46e50d5c7082e9496c08da8088e4a1f6d4e8ebb706984074b2318b2d2f5da76c5ae681fc8f2f437ac43aa6a207374c
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHMmHBda2Vfc:b674zYcgT/Ekd0cqfjzsmHBdzC
- TLSH T131E2E9347FE72D71E33B9E7456F79082B97AB8223D25484E54CE73488973B52AC4150E
- MD5 SHA1 SHA512 SSDEEP TLSH