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, 02:00
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-24_873125256f4c54643514a5f3bf1163dc_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-24_873125256f4c54643514a5f3bf1163dc_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-24_873125256f4c54643514a5f3bf1163dc_cryptolocker_elex.exe
- Size 1.0MB
- Sample260724-ce5m4a1dmc
- SHA256 15fed20fe22f80a42424d49032ca93b663c898f85964e26b95b18407996f1b55
- MD5 873125256f4c54643514a5f3bf1163dc
- SHA1 102a57525b61428ed8d52cde9714b3d458a9be0d
- SHA512 3ddd009dc815a53dd0de4590f71c2c71429acab91498ce61417fed64833747adeecfaa09dfa862c5621d4a206664c7bed18d82ca2407a1f53c0117bd2e30958f
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqG:bGbvflT/ZFIjBzhxwOgXKarY1iBj
- TLSH T1BE2509BE74972645FE625C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4912-9-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0009000000019cc0-12.dat CryptoLocker_rule2 behavioral2/memory/5232-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5232-20-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5232 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_873125256f4c54643514a5f3bf1163dc_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 4912 wrote to memory of 5232 4912 2026-07-24_873125256f4c54643514a5f3bf1163dc_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-24_873125256f4c54643514a5f3bf1163dc_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-24_873125256f4c54643514a5f3bf1163dc_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912 -
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:5232
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 1.0MB
- SHA256 70bb2e9cd63206665ea0558193b8f6c94e94e7ab8ab047245049efa8316dfeb2
- MD5 162e7101068bb247b8057931db69b381
- SHA1 0ab344b799f598bfb5e715e4475f243d256c72ff
- SHA512 ac784d0acb1cc96ddb9f6a89f162745ba40bd6215e0b071030f94127bbfe6d3746dfaac24b2f73684889bf33b481f864dfb91d2720f9178e39dfd1958ef51ecc
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqi:bGbvflT/ZFIjBzhxwOgXKarY1iB3
- TLSH T1BB2509BE74972645FE625C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH