Analysis
- max time kernel
150s - 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
20/08/2026, 23:56
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe
- Size 26KB
- Sample260820-3y83qsgd79
- SHA256 23fde94bc68a0bb276351985b536acb98aef152d391cd556364b0dce8b052e42
- MD5 8450d2ad883409ab6c041eb1d500ffbb
- SHA1 ae5f5192570203e92e3f8a2dbc64bfa4dbbb2d83
- SHA512 39299bf49bcc5b2eecd77b4097626fdd932adff577dca7683a0a0b582d0d3badc77726615c9fc24221677abf804d8105205e9f5a564f29e040f49434a5a89391
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHnq:b674zYcgT/Ekd0cqfjzHq
- TLSH T1C0C22A357BE77CA1E17A5FB011FBA042B97FBC513A38488EACCF7358D971691A442086
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000600000001b714-13.dat CryptoLocker_rule2 behavioral2/memory/4324-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5960 hasfj.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 2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4324 wrote to memory of 5960 4324 2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_8450d2ad883409ab6c041eb1d500ffbb_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5960
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 26KB
- SHA256 48971de7d5f9ca32a80f6bd3b2558338b64c0b0bedb09d66446bb0bdedfb7b77
- MD5 3cd537b68001f7c4935c65d03348c818
- SHA1 f258c36f0095a328d2079144a65980ab710442d5
- SHA512 c0a619b77ea28637e139f4c2fa1f7696c6f25a7c62b1a44ffe549dce22860b0196abb807e0760a733f29825407e980ba4bb3da4ab1f1748cf87b7cc52f685eeb
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHnc:b674zYcgT/Ekd0cqfjzHc
- TLSH T1B6C22A357BE77CA1E17B5EB015FBA042B97FBC613A38484EACCF7358D971691A802046
- MD5 SHA1 SHA512 SSDEEP TLSH