Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 16:43
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-30_f96c085a4b519e4a7f09053768009488_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-30_f96c085a4b519e4a7f09053768009488_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-30_f96c085a4b519e4a7f09053768009488_cryptolocker_elex.exe
- Size 41KB
- Sample260730-t773csscqg
- SHA256 cb2dca32b5b16e6d8600ad26a5852feaa95d9e98e6c9cc0d06480fc41e879b43
- MD5 f96c085a4b519e4a7f09053768009488
- SHA1 adec25e3bb3e9c7061a15bbe74e874fcb48a0371
- SHA512 f86921cf6ff5a46aa33ce1f29b279032066f1298b3387af8c8d7f2377e6c65a5ebb43fbe3b7ff1e9aad176005fee9f3821eafbe11756d2066bc24714e245f720
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCU:bgGYcA/53GAGgIvFx
- TLSH T1FD1374387FE62972E37BDFB586F691C27975B8223D16880D44CA53844833F62DC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4920-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000a000000019cc1-13.dat CryptoLocker_rule2 behavioral2/memory/4636-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4636-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4636 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 2026-07-30_f96c085a4b519e4a7f09053768009488_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 4920 wrote to memory of 4636 4920 2026-07-30_f96c085a4b519e4a7f09053768009488_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_f96c085a4b519e4a7f09053768009488_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_f96c085a4b519e4a7f09053768009488_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920 -
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:4636
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 945ece37561b2576dac4223335b36ccbacad033df8cc79db7c90bfa67e5b86a9
- MD5 60e8529b7d28786dac03e7c4fc089547
- SHA1 6b9e44718e3d9b55c91ea416c1cac6bb252e83e6
- SHA512 6f5065d50c71fef3a081f9d90de7eb55388be5acae3f0ec5e7a22577e3dd443c3b5ed1788fbd1de55bbea7b98efee0d0e560e1b0df632918b11e554b13ba8b32
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCV:bgGYcA/53GAGgIvFI
- TLSH T1221374387FE62972E37BDFB586F691C6B975B8223D16880D44CA53844833F62DC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH