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
27/07/2026, 22:50
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-27_80468372178c3f3531a8419b55b8282c_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-27_80468372178c3f3531a8419b55b8282c_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-27_80468372178c3f3531a8419b55b8282c_cryptolocker_elex.exe
- Size 42KB
- Sample260727-2sg7dssfrb
- SHA256 581e3df3160f8188cec1e890ab048d4109520459eb7a55e6c59ca831e89aef3d
- MD5 80468372178c3f3531a8419b55b8282c
- SHA1 ab95d1e83d05a84d7c9fd9d776de980fb5f2f798
- SHA512 a423baa8666080d5b8d51f3decf3ab149461cc089bacb55feb9e8d8dabfe06ad80240cdf1d8029803564ecb49b0df4d52bb6d5a1e7cd24f28f7f0ff1eb4f3d70
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCb:bgGYcA/53GAGgIvFa
- TLSH T10F1374387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3552-8-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b85f-13.dat CryptoLocker_rule2 behavioral2/memory/2912-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2912-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2912 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 2026-07-27_80468372178c3f3531a8419b55b8282c_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 3552 wrote to memory of 2912 3552 2026-07-27_80468372178c3f3531a8419b55b8282c_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-27_80468372178c3f3531a8419b55b8282c_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_80468372178c3f3531a8419b55b8282c_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3552 -
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:2912
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 689a4344b00c80757a38d8e6bfda1c45b285b2e6c0e8be15f1614ff5158e712d
- MD5 007c6edc15f7e3a702e1295eecf9efa4
- SHA1 b5b5de0d2680d8fb903b4668d4d7b67e35bff953
- SHA512 1bab89e1549d3d293b513fa6d590695ae2bf3dd82a65c1204f95619c9c74d40f50ed5668f6607806c5c53e6f45c6a069222ec0c7df6f4b1b43b8376007099074
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXC3:bgGYcA/53GAGgIvFG
- TLSH T12A1374387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH