Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 09:19
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-13_6c2834fa44a2f039d76e047fd2115a3e_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-13_6c2834fa44a2f039d76e047fd2115a3e_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-13_6c2834fa44a2f039d76e047fd2115a3e_cryptolocker_elex.exe
- Size 47KB
- Sample260813-lany8avwhy
- SHA256 f023682740fd2df28a0c5aaac0776e096ee3d14414457a723bc51c0165eea689
- MD5 6c2834fa44a2f039d76e047fd2115a3e
- SHA1 e9893e7a66dc9fd61853a05088957b05271a86c3
- SHA512 c6bf070822a10f119bd857392028bf8d2c35105c0744c73abd32a32c51fab3768f908954f4cd53daa99951545050a1615ea0c876b1b3360348921d8b5b96ee31
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhu8N:bgGYcA/53GAGgIvF7Eki
- TLSH T16B2321387BE52932D37BDFB586F691C6B975B8223D16980D40CA43444C33F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2480-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b000000016cdf-13.dat CryptoLocker_rule2 behavioral2/memory/4104-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4104-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4104 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 2026-08-13_6c2834fa44a2f039d76e047fd2115a3e_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 2480 wrote to memory of 4104 2480 2026-08-13_6c2834fa44a2f039d76e047fd2115a3e_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-13_6c2834fa44a2f039d76e047fd2115a3e_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_6c2834fa44a2f039d76e047fd2115a3e_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480 -
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:4104
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 47KB
- SHA256 9342a6307c91c361df0902599748e9e007808e5121e7e175eea8c67eed5b4d9c
- MD5 8c1a6f84929502e026eadf0c3481feff
- SHA1 39eb34c6e823fac2bd90dca29ba52be80cbc0539
- SHA512 05e8615c44bbb4ebfafd8abe4a96cdfc7c343c1c2010ef59b3bb4b37ba64fd43661c9dd9610edb31a764b3e6d485b6cddcfc58e85b4c1f63dfc530400e6ab643
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhu88:bgGYcA/53GAGgIvF7Ekv
- TLSH T1AF2321387BE52932D37BDFB586F691C6B975B8223D16980D40CA43444C33F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH