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
15/07/2026, 06:35
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-15_391b9ebbb3571e3b1b5ea309970b0928_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-15_391b9ebbb3571e3b1b5ea309970b0928_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-15_391b9ebbb3571e3b1b5ea309970b0928_cryptolocker_elex.exe
- Size 47KB
- Sample260715-hcshmsgx8w
- SHA256 a0238df44b88c2a18bd11f23fffc2cfb6ff7c52361dd391f84018d5bcc5728c6
- MD5 391b9ebbb3571e3b1b5ea309970b0928
- SHA1 092d014f5a8f9f9f67091b587e449349ea5219bb
- SHA512 7f489d2b6e4a1f3d8e2bc2f9bd9bf1d60f255b30f700d6f48827c94c2a26b239ba3618c635243227e47ddc030a79777c0e29b951b20a8670be41db095b34f9dc
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhuT:bgGYcA/53GAGgIvF7EkT
- TLSH T1752321387FE52932D37BDFB586F691C6B975B8223D16980D40CA43444833F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/6048-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000e00000001c42d-12.dat CryptoLocker_rule2 behavioral2/memory/1696-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1696-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1696 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 2026-07-15_391b9ebbb3571e3b1b5ea309970b0928_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 6048 wrote to memory of 1696 6048 2026-07-15_391b9ebbb3571e3b1b5ea309970b0928_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-15_391b9ebbb3571e3b1b5ea309970b0928_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-15_391b9ebbb3571e3b1b5ea309970b0928_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6048 -
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:1696
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 47KB
- SHA256 0c78591179e790e4e99d5cc585dda795ddbdf9695a2771331ff20f32c822489a
- MD5 b1a5cdc25e206c56b8218a85b193020b
- SHA1 9185e6135283aa544f5c66c26f7d013c1bc4ee79
- SHA512 c300563c4b77707be15271016ac43800bf6653213a0a71c2a8fd0f8bb4bb3fe5e74b9d7f8ec1566ea2484187768b4b7cab0cc365204722ad9e4460835619c9fb
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhuK:bgGYcA/53GAGgIvF7EkK
- TLSH T1EF2321387FE52932D37BDFB586F691C6B975B8223D16980D40CA43444833F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH