Analysis
- max time kernel
148s - max time network
151s - 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, 22:57
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-06_8202fa434ac46cfd8907bdfb2e3c83bd_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-06_8202fa434ac46cfd8907bdfb2e3c83bd_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-06_8202fa434ac46cfd8907bdfb2e3c83bd_cryptolocker_elex.exe
- Size 53KB
- Sample260806-2xcgpssdpb
- SHA256 bb0eaed117bc995496b2e34bdeef397ae88c581b2a5a91cc54d53b8d481878f1
- MD5 8202fa434ac46cfd8907bdfb2e3c83bd
- SHA1 51f940a28ec3f3fcaccf9a87b3840ed4ba05c4c2
- SHA512 f38110e252ae4af2ce381b13e1e3f147d4058634ff9757deb7d52a4b40598d107660224c098818bcf1ed04e9e9105863c3f8c501ab179c42db6c5c01f849bc74
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatSD:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7q
- TLSH T10233DC396ED515F2D377DAB7E5F695C2F922B9223912880D40CB2F4409B3B52BCA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x001100000001b1a4-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x001100000001b1a4-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 3556 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_8202fa434ac46cfd8907bdfb2e3c83bd_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 1892 wrote to memory of 3556 1892 2026-08-06_8202fa434ac46cfd8907bdfb2e3c83bd_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_8202fa434ac46cfd8907bdfb2e3c83bd_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_8202fa434ac46cfd8907bdfb2e3c83bd_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892 -
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:3556
-
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 2f1ba53fe6c6686ca81d0c6f4c856f42790e0d733af5b6f1f2bf153e735a872c
- MD5 2488be1a04b85162db36bd687ff2db02
- SHA1 8fd5c0dbe372eb69dc70fed8532660f431dbabfd
- SHA512 4d446bdd8c4250e7dba1cb351a3bed8d1020ca83801cdc2c348769c035a1f757c8c661f253fefb7ecc55bc3114ef612be77080e9744ff3393a060eec9bae54ee
- SSDEEP 1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatSE:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7R
- TLSH T11F33DC396ED515F2D377DAB7E5F695C2F922B9223812880D40CB2F4409B3B52BCA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH