Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 00:05
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-09_020572c38d574845ca31a7029bf0e54c_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_020572c38d574845ca31a7029bf0e54c_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-09_020572c38d574845ca31a7029bf0e54c_cryptolocker_elex.exe
- Size 42KB
- Sample260810-adedeafp8v
- SHA256 ad52ffaccbd70ac155b8d779153e1df6a286742b6f79de7cc24033581ba856bc
- MD5 020572c38d574845ca31a7029bf0e54c
- SHA1 02deb1b4b63048eb42a41752b15e2d8f7321fd5d
- SHA512 c0c13dcc23ab401a59566bda874a119fe860447fd5f3f2f0cc25b6fa52c5adaeb0b7f66c4b8f9cdd1d811bc32dc2ce0a1626e3b2a9c2f7f539ccc58ee5c77f7f
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCXL:bgGYcA/53GAGgIvFS
- TLSH T17D1373387BE62972E37BDFB586F691C67975B8223D16880D40CE53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5744-9-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b83c-13.dat CryptoLocker_rule2 behavioral2/memory/4928-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4928-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4928 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 2026-08-09_020572c38d574845ca31a7029bf0e54c_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 5744 wrote to memory of 4928 5744 2026-08-09_020572c38d574845ca31a7029bf0e54c_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_020572c38d574845ca31a7029bf0e54c_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_020572c38d574845ca31a7029bf0e54c_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5744 -
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:4928
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 d2e996e6d6c5daa4cd3d209a325cca3b723c0857bb0fc1c7992c2cd74c6c2904
- MD5 262565ac9135df305e7f37c0d8322ab8
- SHA1 c3caf1c4c16f18bc1107dafed29cf30f049d10d7
- SHA512 a32164d577fd0d38c712c10cb7c5d7b9ecf3a6f8e7c8f780fb449d9e09d1a1cc18ab4c5b12f38af40b37e4e3c4d75e6210c0eff8ef487a7006e576f23ae84d08
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCXt:bgGYcA/53GAGgIvFY
- TLSH T10D1373387FE62972E37BDFB586F691C27975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH