Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 22:49
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-19_5ce242d619a83d062007ed9a10ed3d37_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-19_5ce242d619a83d062007ed9a10ed3d37_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-19_5ce242d619a83d062007ed9a10ed3d37_cryptolocker_elex.exe
- Size 51KB
- Sample260819-2ry4hsverb
- SHA256 cf580418bc473b69c59fa30d7a4e4f3cdf21a12d5e7dbe6906fe294f3dbd88c1
- MD5 5ce242d619a83d062007ed9a10ed3d37
- SHA1 ba8cbcfd8b610d341450659c3cdb839389858c86
- SHA512 65ae8cce997e6c9bf9d806b3ea220165ead660af31c4bf124b23aff341583f4ecdeca6ca321f638458d672155eb5129f3b2acb3f3d0680bb870da8a287fce720
- SSDEEP 768:qao/2n1TCraU6GD1a4Xcn62y7Q/bqK76sRs:qF/y2lm6o2KOB
- TLSH T11333ED386EE55972D3BBCAB585F2A1C6B93578123D069C0E50CB63840C33F57BDA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000800000001b884-13.dat CryptoLocker_rule2 behavioral2/memory/1788-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1788 rewok.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 2026-08-19_5ce242d619a83d062007ed9a10ed3d37_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rewok.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5000 wrote to memory of 1788 5000 2026-08-19_5ce242d619a83d062007ed9a10ed3d37_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_5ce242d619a83d062007ed9a10ed3d37_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_5ce242d619a83d062007ed9a10ed3d37_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1788
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\rewok.exe
- Size 51KB
- SHA256 f970d5b75d3f7743f489bdd36bf802ad1d8f9645f3566ef148b38d8f15e65ef9
- MD5 5826bf3de8a67677591394be24cc4c2f
- SHA1 176f3ad7215612b18b2c4b2bf8912fe7f2e978d1
- SHA512 c92adb9f7562f925947f82f0b0286fd1982151f72b91e1187ccf165891093ba11657aaf90f653e5c07ee0726d8765e38aa20c218b842ba45023a6b089b967659
- SSDEEP 768:qao/2n1TCraU6GD1a4Xcn62y7Q/bqK76sRS:qF/y2lm6o2KOT
- TLSH T17C33ED386EE55972D3BBCAB585F2A1C6B93578123D069C0E50CB63840C33F57ADA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH