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
17/07/2026, 07:29
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe
- Size 40KB
- Sample260717-ja71zsd19q
- SHA256 a57e9be6c83414e38f7053e769de8a6d5680c3bce5a634ca503dd4cde836cd23
- MD5 ce24d4cddf9df1cd6893d38103e0c4e5
- SHA1 97104b622fb7c2970220142aed07a58b2a0bd774
- SHA512 e23bb5aefbe15b00aaccde8c129236807acf69955fcfbb01acc37474f63639a8a29c57f80e667b805a2d4eb3e7b05977ed46871fa71cccd7f2995b3c89bf9145
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCz:bgGYcA/53GAGgIvFy
- TLSH T1231375387BE62972E37BDFB586F691C27975B8223D16880D44CA53844833F66DC91A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3052-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0011000000019cbf-13.dat CryptoLocker_rule2 behavioral2/memory/2988-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2988-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2988 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 2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_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 3052 wrote to memory of 2988 3052 2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-17_ce24d4cddf9df1cd6893d38103e0c4e5_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052 -
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:2988
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 40KB
- SHA256 40b19e5b21a568d278076b1fa05825bb23c265e335ae49e3cebcb9f9fd977c8d
- MD5 70d08c937ec8eeed284215b592957b65
- SHA1 e3e329cc0ec9dc23e6ff09bb7fc925e6690ffb29
- SHA512 9ecb41ae2ff7d384450e00cf3eff8bd917731a096db549f9d6c47ce1b5ef8318d1f5f5df2f4cca0b17659ed64b5b2ad07c86f77efa699351245e2c2252371dca
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCB:bgGYcA/53GAGgIvFc
- TLSH T1EF1375387FE62972E37BDFB586F691C67975B8223D16880D44CA53844833F62EC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH