Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 13:03
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-24_568ae917f722394a25f2da5e5c9b2948_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-24_568ae917f722394a25f2da5e5c9b2948_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-24_568ae917f722394a25f2da5e5c9b2948_cryptolocker_elex.exe
- Size 47KB
- Sample260825-qan2fasepf
- SHA256 d9ef7d2b997d101adb5b3155c45846f9b9b91a6c434cad61eb91f766508eb40c
- MD5 568ae917f722394a25f2da5e5c9b2948
- SHA1 271d451dc678513bf5fac3beb1a4955c735495dd
- SHA512 6f2f411649ce81b38e3d398ffa3baa07f5692bdd914af631661001a55d05df30be30890e4189313b30077f2d19f5d023b580682f8938a03dd6dd079acba598af
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhuV:bgGYcA/53GAGgIvF7EkV
- TLSH T1172322387FE62932E37BDFB586F691C6B975B8223D16980D40CA43444833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5584-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000600000001b860-13.dat CryptoLocker_rule2 behavioral2/memory/1408-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1408-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1408 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 2026-08-24_568ae917f722394a25f2da5e5c9b2948_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 5584 wrote to memory of 1408 5584 2026-08-24_568ae917f722394a25f2da5e5c9b2948_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_568ae917f722394a25f2da5e5c9b2948_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_568ae917f722394a25f2da5e5c9b2948_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5584 -
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:1408
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 47KB
- SHA256 10299b3640202daec55ead91bc0dafe4f9ce92da2bba7504e8e3481a56af01a3
- MD5 e698255c6a5645d101fad7f2a935b00d
- SHA1 2d16ea63fe8bdd492677a7968612c02e078cbc30
- SHA512 01e168965c641d1ae84a7ce8a625e908437758fa4024da9d770f8c0345f0c87261868d09f664cb539fba6044d08889393d27fb0f3eb7f353f413aa0bd118ae96
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhuZ:bgGYcA/53GAGgIvF7EkZ
- TLSH T11E2322387FE52932E37BDFB586F691C6B975B8223D16980D40CA43444833F65ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH