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
15/08/2026, 06:04
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-15_41f0f8c9d3024fb2d1670877fb1070c0_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-15_41f0f8c9d3024fb2d1670877fb1070c0_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-15_41f0f8c9d3024fb2d1670877fb1070c0_cryptolocker_elex.exe
- Size 86KB
- Sample260815-gs34msfp7x
- SHA256 5dff27fed7b46aee7f47534be8f9506ad80cb3a149f321c6dbb1d1a087b4c411
- MD5 41f0f8c9d3024fb2d1670877fb1070c0
- SHA1 c6f106f47b1b1202d4cbb543bb2e8437130f263c
- SHA512 97e53d11d3fa19e8597aa6ba9128e86ebf368ea182628e022b9996f472482254331a0dbac8a6e99c6218c850e6b3c17ac60a42bcb705921400a6fbbefaa6223f
- SSDEEP 768:dUz7yVEhs9+OyqZQtOOtEvwDpjm9+4U9HueDgaRWDCSMzTs9AIIFi7:dP+OyWQMOtEvwDpjwH8u8rZVTs9AF0
- TLSH T14D9397278EC42265F633C7764AFEB2B165107C927901F5DC399AFE7C5533A23A850A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/1192-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000c000000016cd6-13.dat CryptoLocker_rule2 behavioral2/memory/1192-18-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5220-27-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/1192-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000c000000016cd6-13.dat CryptoLocker_set1 behavioral2/memory/1192-18-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral2/memory/5220-27-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 5220 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 misid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-15_41f0f8c9d3024fb2d1670877fb1070c0_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1192 wrote to memory of 5220 1192 2026-08-15_41f0f8c9d3024fb2d1670877fb1070c0_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_41f0f8c9d3024fb2d1670877fb1070c0_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_41f0f8c9d3024fb2d1670877fb1070c0_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1192 -
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:5220
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 87KB
- SHA256 0d6b69902b496f92ae65cbd5a42f35b3ea61024c8e8520a71796163e37605e29
- MD5 9c15bbc6276a53c66a7e6f11965b67c9
- SHA1 3eefebee8e329bb64520ca2a649b5b404f03fb16
- SHA512 4a377edfb304843eea60a6d33bdf579272532cd453e8ea2abcc05a4c89080c195b8b23e38494fa65cdd6e53d8b98089ecd68124a77853870dfec0860752a8fc0
- SSDEEP 768:dUz7yVEhs9+OyqZQtOOtEvwDpjm9+4U9HueDgaRWDCSMzTs9AIIFio:dP+OyWQMOtEvwDpjwH8u8rZVTs9AFf
- TLSH T14F9397278EC42265F633C7764AFEB2B165107C927901F5DC399AFE7C5533A23A850A0E
- MD5 SHA1 SHA512 SSDEEP TLSH