Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 09:41
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-23_6a25d3f20b770a6278e4c77ad500a22f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-23_6a25d3f20b770a6278e4c77ad500a22f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-23_6a25d3f20b770a6278e4c77ad500a22f_cryptolocker_elex.exe
- Size 42KB
- Sample260824-lpaedacg74
- SHA256 4b0cd651d310aa813465c681aa88bd8dd2828278dfc90e280765232f1f81fd21
- MD5 6a25d3f20b770a6278e4c77ad500a22f
- SHA1 0e87f8732f094f21cdd6e904705a1b188adf8bbb
- SHA512 55f4b027e0529973a88a269d8a7d3dba43f988bad4bc55dd23564ae066b61a449955285886df13be9411ca16c36c98356bacc3f906c6cae65af2427724616406
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCE:bgGYcA/53GAGgIvFx
- TLSH T14A1374387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/1452-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d00000001b1e8-13.dat CryptoLocker_rule2 behavioral2/memory/3552-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3552-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3552 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 2026-08-23_6a25d3f20b770a6278e4c77ad500a22f_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 1452 wrote to memory of 3552 1452 2026-08-23_6a25d3f20b770a6278e4c77ad500a22f_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-23_6a25d3f20b770a6278e4c77ad500a22f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-23_6a25d3f20b770a6278e4c77ad500a22f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1452 -
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:3552
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 43KB
- SHA256 a06a1b0facecf81aa7cacc0cc35d9f2380fe734066caf0db20fab43c4ef08736
- MD5 abc10b3b1b6ad999ef8172483c027557
- SHA1 079292b315645b78430920a6b9618e8af0e022d5
- SHA512 fcdc5ca4f87505588e35fc8e0e7976a8d52f66d5e18c05133106bbd63c240a3117ad89bd99a66abfa51b31d4d539ddb4fc37e91764fd0d5295f7f8d6478a8163
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCR:bgGYcA/53GAGgIvFM
- TLSH T1AC1375387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F66DC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH