Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 19:07
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_3187c8e11ea754359aa9f978ad3044bb_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_3187c8e11ea754359aa9f978ad3044bb_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
6 signatures
150 seconds
General
- Target 2026-08-02_3187c8e11ea754359aa9f978ad3044bb_cryptolocker_elex.exe
- Size 53KB
- Sample260802-xsm1esee63
- SHA256 9b8d5294e715bcac7ca183fd4687f621a70d37b7ea9f8824be81a4cc1dbe998e
- MD5 3187c8e11ea754359aa9f978ad3044bb
- SHA1 37c0f2476ac80b7ca43ce0efe2a00c6fc7c47a5f
- SHA512 f024453f8e6ed8c159a63e31a96d99921706916efdadedf6c15752be9f8b48fc865655535003e1c2e488e88353493b804a777d4460b542be4459dffaad3720c4
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatSy:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7T
- TLSH T10233DC396ED515F2D377DAB7E5F695C2F922B9223912880D40CB2F4409B3B52BCA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001b88f-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001b88f-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 5272 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 2026-08-02_3187c8e11ea754359aa9f978ad3044bb_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 4496 wrote to memory of 5272 4496 2026-08-02_3187c8e11ea754359aa9f978ad3044bb_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_3187c8e11ea754359aa9f978ad3044bb_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_3187c8e11ea754359aa9f978ad3044bb_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496 -
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:5272
-
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 e8af89c283757482592ed85c24fbe2dedcf4c22cc2657a34dad733439a4355cc
- MD5 de46db6597ad7e050e6300c2d3b7a74e
- SHA1 4c17eeef24a4dc5779d83e9350767fae047ab0f6
- SHA512 89d180cfcb47d53cb2d82a09615c116cf6c2ed2296270572cb981af9dbc570166ceffb3cc55dc218964dcf32526a26abe815d4dec3f2c441e4f261922dfd41b3
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatSv:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7+
- TLSH T1CB43DC396ED515F2D377DAB7E5F695C2F922B9223912880D40CB2B4409B3B52BCA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH