Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/11/2026, 05:56
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target 2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe
- Size 37KB
- Sample261102-gnhbdae19x
- SHA256 ab4d605ac428d0052c9b07143cbd5cc3e8d744c1fd693aab42a0a16ddf56d50b
- MD5 e0f51386653dd9ab16ed6a941b7db39a
- SHA1 3e079f36ae42a6fc74a604ebcb79c3631f4c8cec
- SHA512 5ce54767f4ec6c25d059ae4c31bda0ff4e13e24504f91feb320349d017f8fa3a332ec5777ae1093c870f3d1cd26adbf001a32ccbe06948bf10049f5b36bb9897
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4Wmj3Npq:vj+jsMQMOtEvwDpj5HWku
- TLSH T1B303C6325FD50A76E3778AB695F7C2C2A622FD657C32890D90CA37054833742E9A1E0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x001200000001e595-11.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x001200000001e595-11.dat CryptoLocker_set1 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation 2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 2404 misid.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname misid.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain misid.exe - 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 2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_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 4112 wrote to memory of 2404 4112 2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_e0f51386653dd9ab16ed6a941b7db39a_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:2404
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 37KB
- SHA256 36c7be23f4152671108d05065f9e5f73a10bf09b83c6beb9f6a0e9646fe6a7c1
- MD5 d30781f838f9bf522646604380c81f1b
- SHA1 7ce8fd77da2959c1518838ac80353b156d2e33ef
- SHA512 f7b029adcbe12449abb42e294252089c6d0433934abe5fb3c24320f1b9433d11c95586c15ec7cd38f1581205dba3c7a8e51f3b024e4de5889008239d80b1b7e4
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4Wmj3NpG:vj+jsMQMOtEvwDpj5HWki
- TLSH T15003C6365FD50A76E3778AB695F7C2C2A622FD657C32890D90CA37054833742D9A1E0F
- MD5 SHA1 SHA512 SSDEEP TLSH