Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/07/2026, 08:47
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-24_e70e2a136d486b625d13e7ec36f8add9_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-24_e70e2a136d486b625d13e7ec36f8add9_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-24_e70e2a136d486b625d13e7ec36f8add9_cryptolocker_elex.exe
- Size 34KB
- Sample260724-kpyarswcph
- SHA256 b2d2743fd0619f5770096f600f7efcd34bb1ea4d6be0da97e62cd8eacac598d0
- MD5 e70e2a136d486b625d13e7ec36f8add9
- SHA1 c4758fe8c83c64e3f3dcd2a83ac3ae37703e0ea6
- SHA512 a19d888450df41cf4ee947f5c9b788dc6bf852870c8d2ec881f1fd2598cbf1cc58f1cf991ed711761337630a3d832c5fe1aeb6dd29267e5141aecf213d0f345a
- SSDEEP 384:i74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDz/mRZ4yQ3U6:i74zYcgT/Ekd0ryfjLz/mwzl
- TLSH T159F2B6386BE62972D37B9EB585F791C2B935B8223D15884E54CF23848D33B52EC9160E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3180-9-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b00000001136a-13.dat CryptoLocker_rule2 behavioral2/memory/5092-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5092-20-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5092 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 2026-07-24_e70e2a136d486b625d13e7ec36f8add9_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 3180 wrote to memory of 5092 3180 2026-07-24_e70e2a136d486b625d13e7ec36f8add9_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-24_e70e2a136d486b625d13e7ec36f8add9_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-24_e70e2a136d486b625d13e7ec36f8add9_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3180 -
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:5092
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 34KB
- SHA256 ec8b011e26eefca44151f8b7cc4f5bddb99aba107bda5403356ee6db2be0743c
- MD5 0e67715ed56177277b0262cb1ee25b3d
- SHA1 606c734209b28e8a65da5bf435e354fb6b4f00bd
- SHA512 8138e19189b92506884f1be0ca9754131321ff9adec8974cf3f218b3d2154608e60c448bfa22420f4861a8912c8253f7267685dd0e435aa6de63ce70a06f4cdc
- SSDEEP 384:i74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDz/mRZ4yQ3Uh:i74zYcgT/Ekd0ryfjLz/mwzu
- TLSH T1A7F2B6386BE62972D37BDEB585F791C2B935B8223D15884E54CF23848D33B52EC9160E
- MD5 SHA1 SHA512 SSDEEP TLSH