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
25/08/2026, 17:28
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-24_20827945fbd4781e936b1e8943669496_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-24_20827945fbd4781e936b1e8943669496_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-24_20827945fbd4781e936b1e8943669496_cryptolocker_elex.exe
- Size 32KB
- Sample260825-v2aekstsds
- SHA256 1d275cdf7fd608a72890b342d98502cd5dc6f29a2cd9b3dabc712562693ef059
- MD5 20827945fbd4781e936b1e8943669496
- SHA1 4c82e52e9942190d7bdfd0393c4795ab3061ebc9
- SHA512 1faca5755f52f68d3378b68a62165327b93a04b58d4a48168525580153e284f52afbd67f57ee0455c6b974dd6299b14960316d8d5a78dd1cade809d62cace8e5
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDzaNYqApENSvnGl:bA74zYcgT/Ekd0ryfjLzVpH4
- TLSH T12BE2E9387BD62871D37BDE7595F7A0827D7AB8223E24884E54CE23888D32B52EC4255D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2196-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000c000000016cdc-13.dat CryptoLocker_rule2 behavioral2/memory/5048-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5048-20-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5048 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 2026-08-24_20827945fbd4781e936b1e8943669496_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 2196 wrote to memory of 5048 2196 2026-08-24_20827945fbd4781e936b1e8943669496_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_20827945fbd4781e936b1e8943669496_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_20827945fbd4781e936b1e8943669496_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196 -
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:5048
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 32KB
- SHA256 f5d0a289cf4cd77a962cd717899890e10f3f95bc378871533f737a64fa92070e
- MD5 cd4e050dabe92d7c3b9c361b94a28e97
- SHA1 606b9aba98f51f008698e33680cce416c3952aba
- SHA512 7f7c170c5012b1ef6ef14be089cb21503e4ec9a1206a37d22ecdb180ae4951809d8074edaf88c83b5f566f4a79895f2ba9913347ee9bf0d0814fb03f9d498a05
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDzaNYqApENSvnGl:bA74zYcgT/Ekd0ryfjLzVpHA
- TLSH T152E2E9387BD62871D37BDE7595F7A1C27D79B8223E24884E54CE23888D32B52EC4261D
- MD5 SHA1 SHA512 SSDEEP TLSH