Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/10/2026, 06:35
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-10-16_ce46c5db3a09db7637714686edea9a19_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-16_ce46c5db3a09db7637714686edea9a19_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target 2026-10-16_ce46c5db3a09db7637714686edea9a19_cryptolocker_elex.exe
- Size 4.6MB
- Sample261017-hcl1vsbt2x
- SHA256 cb3a59b4040719c3f67e2f86a603b1ac0a09abd86a6d1bf47a2f062ffc26bed6
- MD5 ce46c5db3a09db7637714686edea9a19
- SHA1 179fe11ebd8ca3770998be027c8e453943f8ec21
- SHA512 59db4ce2628b2f763db11994a610b6823f821848e44b2a40fe8c1e55cf3ae190ad2f37b2b7f45f76629f948c3f80edbafdbfcc01689d1e5b90c06dc80a40ab79
- SSDEEP 98304:uR/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTu:w/ZFIjBzF/ZFIjBzPEUusu
- TLSH T191263C5BA8E650A4C8FAD8348BE9E223FF633459473577E31BA091601F25BD0F8B9711
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/1888-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000e00000001c54a-12.dat CryptoLocker_rule2 behavioral2/memory/5136-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5136-26-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule behavioral2/files/0x000e00000001c54a-12.dat INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5136 hasfj.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 hasfj.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain hasfj.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 2026-10-16_ce46c5db3a09db7637714686edea9a19_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 1888 wrote to memory of 5136 1888 2026-10-16_ce46c5db3a09db7637714686edea9a19_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-16_ce46c5db3a09db7637714686edea9a19_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-16_ce46c5db3a09db7637714686edea9a19_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:5136
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 4.6MB
- SHA256 52e5862ff6d43775362107ce2ce6b4d6914baf1fc42a3e4f72fbb25a1b9ed3ad
- MD5 841015593ea1c69f609cda4eb86eaa1d
- SHA1 6b2f77e4476c221e51af9851cf1def7966e5d1c3
- SHA512 3738434297d180b87bb12967c235c451f9f9c8a77cbff401a2e8d175f3ce5c93778844ac61c27649057248ca48c5c8bd421b9a4690c25051a2a7315321a59898
- SSDEEP 98304:uR/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTd:w/ZFIjBzF/ZFIjBzPEUusd
- TLSH T10D263C5BA8E650A4C8FAD8348BE9E223FF633459473577E31BA091601F25BD0F8B9711
- MD5 SHA1 SHA512 SSDEEP TLSH