Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/07/2026, 06:41
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-06_cd149b72716520a20119d1c6d3648d22_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-06_cd149b72716520a20119d1c6d3648d22_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
5 signatures
150 seconds
General
- Target 2026-07-06_cd149b72716520a20119d1c6d3648d22_cryptolocker_elex.exe
- Size 40KB
- Sample260706-hfr2aaez2l
- SHA256 f121d8ce69079f9664e48ed64adbc8755d8c21faf3bd4ecd20193908d7a2ea57
- MD5 cd149b72716520a20119d1c6d3648d22
- SHA1 e5c5e8ad67b91335d8b6bde0c711be312f9a1ba6
- SHA512 23040d7231e844ad480bbde8b2df0515c97ae0ad4746fcbd9a4917de0cf35df4ae08da7f72b2a0df44bf222a40db6bc8561cf9a45f44a426bc454a4a79aa20f2
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCW:bgGYcA/53GAGgIvFP
- TLSH T12C1385387BE62972E37BDFB586F691C67975B8223D16880D44CA53844833F62EC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4488-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000e000000006903-13.dat CryptoLocker_rule2 behavioral2/memory/4808-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4808-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4808 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 2026-07-06_cd149b72716520a20119d1c6d3648d22_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 4488 wrote to memory of 4808 4488 2026-07-06_cd149b72716520a20119d1c6d3648d22_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-06_cd149b72716520a20119d1c6d3648d22_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-06_cd149b72716520a20119d1c6d3648d22_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488 -
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:4808
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 40KB
- SHA256 b3a84dca940f23615bf43f4151b6e7bce95b472a108ac52bbd70a2fed33546f8
- MD5 e15fec2544a0a60a2adbc020e6d7c724
- SHA1 224f0047f10adcedb767233fa7035003c0ce74e5
- SHA512 639d94fdfa163101d53f517f98bef080cfb3a75689558bf8ff661b78bcb63576d441418669d854cb8877d15ebfdaf5789871bda0a43a68d7948edfa30cce8996
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCp:bgGYcA/53GAGgIvFE
- TLSH T1D51375387BE62972E37BDFB586F691C67975B8223D16880D44CA53844C33F62EC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH