Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 11:02
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-09_d43b32484cf2867deceead9e82b8bad3_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_d43b32484cf2867deceead9e82b8bad3_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-09_d43b32484cf2867deceead9e82b8bad3_cryptolocker_elex.exe
- Size 52KB
- Sample260809-m44r7swfqa
- SHA256 684b347dba30e612c25f64e07a9a76351afe841baf2b7644a01febf70c4bca51
- MD5 d43b32484cf2867deceead9e82b8bad3
- SHA1 2abe065577ef5b89e718e0081689f0e0fd01c560
- SHA512 0fd4360d611718a5e02b65a0569ca432e47af957c3648798fac3dd9e0f93df1aa80a5579bb97bd36ba73f9183f8fa1b8a9511b9a5d42c950fd0f8bf6858a4abc
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXQ1J1ycZ:bgGYcA/53GAGgIvFW17/
- TLSH T1553311387FE52932E37BDFB586F691C6B935B8223D16980D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2848-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000e00000001c569-13.dat CryptoLocker_rule2 behavioral2/memory/3380-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3380-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3380 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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-09_d43b32484cf2867deceead9e82b8bad3_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2848 wrote to memory of 3380 2848 2026-08-09_d43b32484cf2867deceead9e82b8bad3_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_d43b32484cf2867deceead9e82b8bad3_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_d43b32484cf2867deceead9e82b8bad3_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848 -
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:3380
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 52KB
- SHA256 153e68c643d0ce4ca7fdf3a87113eb976e2fdf70b81aa03486a0592563dcd19f
- MD5 58804a533df7bd26046acd48171c1b44
- SHA1 446b06f7bc0e4f70064a054775c52207b1063198
- SHA512 f02944564ced5f866006f06305fcf901158a4bae6c262f1bc717b5e8a983080d70b1e06c7ebaf0c93a797f008dfd65a6e7a86092fb4f4aeb54992eb4ec796068
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXQ1J1ycR:bgGYcA/53GAGgIvFW17H
- TLSH T11B3311387FE52932E37BDFB586F691C6B935B8223D16980D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH