Analysis
- max time kernel
148s - max time network
148s - 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, 09:49
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe
- Size 53KB
- Sample260715-ltgn9acw2x
- SHA256 301cf20e55c17eefb4c6c2510e90aabcfb8e278d461e091f423a1ea7793a8215
- MD5 815e06463962aac3c982d8d50c97a05f
- SHA1 4727f46451f75c290d4b9e44873e309205fcaca3
- SHA512 5b8a634b6585884b2ae954ae7b637a17054ef1a087e057b1b6a8a107973031a67c392471dd858dfec7301aaae1b090aea4fa3aeb71e131e48df27a8d3348e26e
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatS1h:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7y
- TLSH T1D643DC396ED515F2D377DAB7E5F695C2F922B8223912880D40CB2B4409B3B52BDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000b000000016cdf-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000b000000016cdf-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 3944 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 2026-07-15_815e06463962aac3c982d8d50c97a05f_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 6028 wrote to memory of 3944 6028 2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-15_815e06463962aac3c982d8d50c97a05f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6028 -
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:3944
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hurok.exe
- Size 54KB
- SHA256 85af652fb81f41347caadfdb223a71128f81c60508a1d8058bb2a4e71c9efb69
- MD5 c1e387e5e5c8856dfe30d02dd67b38ac
- SHA1 77dcdc495e3abc2ef562e02e6bdb6b34df051391
- SHA512 0358a566842a12ecb11c13011da3be76b7492a81d8f2e502d98d2063ba3572aabfb39ffc18d944fca4aab89e470cb8196e8b9866bc2c95d7714aa01850cb2e46
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatS1Me:aq7tdgI2MyzNORQtOflIwoHNV2XBFV78
- TLSH T13243DC396ED515F2D377DAB7E5F695C3F922B8223912880D40CB2B4409B3B52BDA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH