Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/07/2026, 04:25
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-28_db682965718197dad8fcde693820bcd6_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-28_db682965718197dad8fcde693820bcd6_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-28_db682965718197dad8fcde693820bcd6_cryptolocker_elex.exe
- Size 1.0MB
- Sample260728-e15lbsaq6x
- SHA256 e8a3f6be2ae26c2e0e8684d786454cd56f15fd47d5ba5c5ab3ff2c919ae29285
- MD5 db682965718197dad8fcde693820bcd6
- SHA1 8a2b91e8618b84884db1ea01cd91db2f1f70e20b
- SHA512 511a9de99120291212fa5a16a7da7f1e33dea274fdea22b3ba297532586c86d8ad71822fa9aa6e63b1c24a52a523c6c6fefe59f63ca29dd9758ff6006c07b530
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqg:bGbvflT/ZFIjBzhxwOgXKarY1iBR
- TLSH T19C2509BE74972645FE625C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5856-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b00000001b315-13.dat CryptoLocker_rule2 behavioral2/memory/2168-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2168-20-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2168 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 2026-07-28_db682965718197dad8fcde693820bcd6_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 5856 wrote to memory of 2168 5856 2026-07-28_db682965718197dad8fcde693820bcd6_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_db682965718197dad8fcde693820bcd6_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_db682965718197dad8fcde693820bcd6_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5856 -
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:2168
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 1.0MB
- SHA256 28364c04e619f49686c98637b9338c9be4bcc906c217531ed42a68a74a965128
- MD5 6d9df01bf3baa89e4b361dbd94ec284d
- SHA1 261cb4b7946e85f630acff31e7cc72157ed80eac
- SHA512 4512e1805cf194159698c18bd22c7e1a8f6fd1dd349bd233abb525a47d86386e8ab810356128bda9d5f292d055409520702dc2e3b9852bc9e4057965185fc967
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPq8:bGbvflT/ZFIjBzhxwOgXKarY1iBF
- TLSH T1D62509BE74972645FE625C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH