Analysis
- max time kernel
149s - 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
21/07/2026, 13:22
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe
- Size 35KB
- Sample260721-qmk6back31
- SHA256 11f564adc2217aca70e136f7ca1639163832ba1cbebac1691972e260ba5caf5d
- MD5 8b1b7e4dab36a5b26e9f8df5bb462fbe
- SHA1 3875829e0e50b1270951cad2bda707770f614b83
- SHA512 1906801aa97034cd9725caa2b5a643c17e47cad36b6554888f68c589b1e0e1eec81c69aef49cd78de40d59520e506b930dcdd9c6ccddc19dc63405d383421afe
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4abys:vj+jsMQMOtEvwDpj5Hts
- TLSH T1BDF2E8366FC51A72D3379BB195F7C682B623FCA53831990D90CA37054933B42ADA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a000000016cdf-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a000000016cdf-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 1080 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 2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_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 2600 wrote to memory of 1080 2600 2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-21_8b1b7e4dab36a5b26e9f8df5bb462fbe_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600 -
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:1080
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 35KB
- SHA256 97277686eecc63b25dbb359514a3d97b845034fa61359c67a3a6316a3bd84cdf
- MD5 bf7ad855a4d4145dbc15231224a44851
- SHA1 84e9054c09b264a33db2c7637921567cffc112a1
- SHA512 5f5e62dde865ae04dcafee8ea6e81bc012910f4c0d2e9ef6dbbae55fb1ee3f092fab3f9e274f15287ad0b08a3c4c58f0c49f96ac43c4db7f9f2aef2333553958
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4abyx:vj+jsMQMOtEvwDpj5Htx
- TLSH T11DF2E8366FC51A72D3379BB199F7C682B622FDA53831990D90CA37054D33B42ADA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH