Analysis
- max time kernel
148s - 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
06/08/2026, 22:56
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-06_83ba02fbf5123cd302f8f0d7aab9ec98_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-06_83ba02fbf5123cd302f8f0d7aab9ec98_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-06_83ba02fbf5123cd302f8f0d7aab9ec98_cryptolocker_elex.exe
- Size 53KB
- Sample260806-2wyzbasdnc
- SHA256 3b95124fd5bd879b059def49816d65898524f37a03c5898c8f8f04ab19ffd072
- MD5 83ba02fbf5123cd302f8f0d7aab9ec98
- SHA1 3b0a115262de0ac66f736d70ce887f6d34c7780d
- SHA512 bae4b53e291a5adf1b09f361e10958bc7d708b1c7d9bd5cbb2eeb141a83d68a31eb96c74e486391e762ac4911520143c3a2c8e1bb188d2c5876850ccea3e2705
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatS9:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7o
- TLSH T14933DC396ED515F2D377DAB7E5F695C2F922B8223912880D40CB2F4409B3B52BDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000900000001b1b7-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000900000001b1b7-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2384 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 2026-08-06_83ba02fbf5123cd302f8f0d7aab9ec98_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 3156 wrote to memory of 2384 3156 2026-08-06_83ba02fbf5123cd302f8f0d7aab9ec98_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_83ba02fbf5123cd302f8f0d7aab9ec98_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_83ba02fbf5123cd302f8f0d7aab9ec98_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156 -
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:2384
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 53KB
- SHA256 6bc79c0e94df1daab9e04c1b46e48e2ae4d5e3c3faaeefa661f809f459bc6f27
- MD5 134732a96a2d61a45fa2cdf7142955c2
- SHA1 d01c091e138ab2d8ce3fdb7ab0da543a48074403
- SHA512 a64d3e2cad0ade976a836d9fcb11008a1331993a824e98c85e6cd1b312830d31c2a8b35255738bcbdd812541c3468674aa1f81d7bd017aeb7e1f325772c84073
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatSv:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7+
- TLSH T15A33DC396ED515F2D377DAB7E5F695C2F922B8223812880D40CB2F4409B3B52BDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH