Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 03:42
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-20_ccbda757d9a64b8842f6fe4d67f65798_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_ccbda757d9a64b8842f6fe4d67f65798_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-20_ccbda757d9a64b8842f6fe4d67f65798_cryptolocker_elex.exe
- Size 34KB
- Sample260820-d9jjsaygpd
- SHA256 000009ac35e6c9c806ee2683cd3680ec7d9ddabd4b86357f950f45617f0b9772
- MD5 ccbda757d9a64b8842f6fe4d67f65798
- SHA1 0c9b629f7655a779be794fd8500970439b9dcef7
- SHA512 f2bacd111b8d06aa85974c8f3b45e016bcbbc72b7b26657a2e7216c5bbd583d85363647277b109d0d2f5f6878505c2bc6dfe16bd0548ff575477bc6b6e29fbc3
- SSDEEP 768:Hf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGeNEmK/4BXj:/1KhxqwtdgI2MyzNORQtOflIwoHNV2X2
- TLSH T1DFF28572AFD515D1E773AAB3F8F792C19627BD255D22850E108A3F440AF3680EDA1D0B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000c00000001136a-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000c00000001136a-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 1548 hurok.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 2026-08-20_ccbda757d9a64b8842f6fe4d67f65798_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hurok.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3368 wrote to memory of 1548 3368 2026-08-20_ccbda757d9a64b8842f6fe4d67f65798_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_ccbda757d9a64b8842f6fe4d67f65798_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_ccbda757d9a64b8842f6fe4d67f65798_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1548
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 34KB
- SHA256 c1f217521327c7d7009eed6ee20bf8fea3e4ef990151dde31b1568fd9ef1312c
- MD5 28b6cbc6649629dcc7426f34ac9d4536
- SHA1 1891a6f04f46a973aa5d28fc7513bdba5d611d07
- SHA512 10f6e6dda31d6ffd77724326deca8d208ceec2bb92c7d805f621608a9d509c1d4561b0f4d1b307151350d9d8431f06b773d8a8aa257d628ea569289c1464a4a6
- SSDEEP 768:Hf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGeNEmK/4BXm:/1KhxqwtdgI2MyzNORQtOflIwoHNV2X7
- TLSH T119F28532AFD505D1E773AAB3F9F792C19627BD255D22850D108A3F440AF3680EDA1D0B
- MD5 SHA1 SHA512 SSDEEP TLSH