Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 08:08
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_b0681cdbc5ab70d3c551ef3e591eab22_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_b0681cdbc5ab70d3c551ef3e591eab22_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-02_b0681cdbc5ab70d3c551ef3e591eab22_cryptolocker_elex.exe
- Size 72KB
- Sample260802-j13h7ayane
- SHA256 432fb1941abf4f96290a9463aa035ff0d1b8bb0be13861b54ea018c96485ef45
- MD5 b0681cdbc5ab70d3c551ef3e591eab22
- SHA1 817c9bf104402faa49dcb029c99af1facdd8c8f0
- SHA512 2166fc211190e8877ca2c1dbea620881390951cad22aa12e93923ae211057efc22499e3e517adc76d0aec64471fcb2663a66273295060dde255cb1a7e5254c54
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkzpr:vCjsIOtEvwDpj5HGWY0RkfR
- TLSH T10E731E396FD91672E37BDAB5CAF691C2BA75B4223D12980D40CA43450C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000016cfd-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000016cfd-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4216 misid.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_b0681cdbc5ab70d3c551ef3e591eab22_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2692 wrote to memory of 4216 2692 2026-08-02_b0681cdbc5ab70d3c551ef3e591eab22_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_b0681cdbc5ab70d3c551ef3e591eab22_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_b0681cdbc5ab70d3c551ef3e591eab22_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4216
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 73KB
- SHA256 eca92981e03f64bf2c8506689db58cab76579c0632f4e9f6f7fdf20aa90011ee
- MD5 12921df65728c3a7f61dd91c1a67ccc1
- SHA1 4425ff13b13412cce66620b1c250571ad02d2447
- SHA512 d913f037745a46b3f27c991894422c9f377d5a970353d4a3062312338d689e8177de1aa7576473d3d31c1433d704c55ffb6c3c204c0f88c947859b66d0ca6961
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkzp+:vCjsIOtEvwDpj5HGWY0RkfI
- TLSH T100731E396FD91672E37BDAB5CAF681C6BA75B4223D12980D40CA43450C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH