Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/09/2026, 00:04
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-12_6a6b034342275ef1dd9829b17cc4e435_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-12_6a6b034342275ef1dd9829b17cc4e435_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target 2026-09-12_6a6b034342275ef1dd9829b17cc4e435_cryptolocker_elex.exe
- Size 39KB
- Sample260913-acwlasca99
- SHA256 bdfdb5b77ba7d3ce3a4a71b7f6163a43df4571cb9abace1cce13f6bdbd4594fd
- MD5 6a6b034342275ef1dd9829b17cc4e435
- SHA1 35ef524fda9a9663521f200d64bcc0368ff138b8
- SHA512 52af66706b3af2eb8f1c070c1c7a988552ca6482c7b9159c6c24cf4ef447463cca4f067000ea171fced4219043a8c475bac169f2d2ef8941f949881595c0e34d
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSp91KG:bgGYcA/53GAGgIvFi7
- TLSH T1F80394387FD62972E37BDE7586F791C6B935B8223D16880D54CA53844C33B62EC91A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2064-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000c000000019ca4-13.dat CryptoLocker_rule2 behavioral2/memory/4116-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4116-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4116 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 2026-09-12_6a6b034342275ef1dd9829b17cc4e435_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 2064 wrote to memory of 4116 2064 2026-09-12_6a6b034342275ef1dd9829b17cc4e435_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-12_6a6b034342275ef1dd9829b17cc4e435_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-12_6a6b034342275ef1dd9829b17cc4e435_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064 -
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:4116
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 39KB
- SHA256 31ce883d098cd2aa60c2d27457b211d11b35c450ac6b96085fdaeaa8fd27c5d1
- MD5 385c8dde01ade3752c8d5232692f56ba
- SHA1 c14f3c151373452d36185265786ca169b79e3d6b
- SHA512 9af8982fa115a767e45eb870438bbb4c2da2176da98b6185529e95aff8652772b89fb3fd9dbad5c9f24940c0a34bf853e5ac10709b60f71cccc96ee17a5f3cb6
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSp91K6:bgGYcA/53GAGgIvFi3
- TLSH T1960384387FD62972E37BDE7586F791C6B939B8223D16880D54CA53844C33B52EC91A0E
- MD5 SHA1 SHA512 SSDEEP TLSH