Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 03:08
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_5a0e20b47c7f2dcc337c1441a6235433_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_5a0e20b47c7f2dcc337c1441a6235433_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-02_5a0e20b47c7f2dcc337c1441a6235433_cryptolocker_elex.exe
- Size 3.4MB
- Sample260802-dm4anstamf
- SHA256 0deca53a1aba4e9e13cb54402c45190e445bc99d3a88a4736415f5a59835bbb4
- MD5 5a0e20b47c7f2dcc337c1441a6235433
- SHA1 2d3e12bcdfc500f64d310bbda19100e38bc733f8
- SHA512 87c90e038cbd1fbe8d510e785ffe673b9346ee877cdedc59161466824546b56b0748a469b5422096231be18667148d43770fb52e9ce02b5bfe1d0393b485346b
- SSDEEP 49152:uR/ZFIjBzT1CIdSPHf0f/ZFIjBzGAyGs+Q7uOZzNvBLEdfd:uR/ZFIjBzldUfs/ZFIjBz7jSZDU
- TLSH T1A2F55C6F68A611A4DCFAC8305BE9F222FF6334594739A7F31AA091201F25BD1F875712
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4536-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00070000000187d5-13.dat CryptoLocker_rule2 behavioral2/memory/3016-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3016-26-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule behavioral2/files/0x00070000000187d5-13.dat INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3016 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 2026-08-02_5a0e20b47c7f2dcc337c1441a6235433_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 4536 wrote to memory of 3016 4536 2026-08-02_5a0e20b47c7f2dcc337c1441a6235433_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_5a0e20b47c7f2dcc337c1441a6235433_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_5a0e20b47c7f2dcc337c1441a6235433_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536 -
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:3016
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 3.4MB
- SHA256 b7c32b0d3e85b8f8dfa27fb403a5edf1a4d797674bc7c6bc18cfaf2f80fea66f
- MD5 f2314df7f337eaa9c75aaec37a366a77
- SHA1 69090db762efac277c03e3da35d929cf171d670f
- SHA512 429499c96f37c8e30b162a8105e9235055762acf69b53e6d66d4aebb67de432d54a350d26300c79437bf36290fd65f530d5b212b558874a9b11f557c01d11e65
- SSDEEP 49152:uR/ZFIjBzT1CIdSPHf0f/ZFIjBzGAyGs+Q7uOZzNvBLEdfg:uR/ZFIjBzldUfs/ZFIjBz7jSZDh
- TLSH T155F55C6F68A611A4DCFAC8305BE9F222FF6334594739A7F31AA091201F25BD1F875712
- MD5 SHA1 SHA512 SSDEEP TLSH