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
23/08/2026, 04:25
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-22_97a0ba284581fbe2be05d45831b40c5d_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-22_97a0ba284581fbe2be05d45831b40c5d_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-22_97a0ba284581fbe2be05d45831b40c5d_cryptolocker_elex.exe
- Size 46KB
- Sample260823-e2dh8sxwa1
- SHA256 e2638349769c2a26296a98f5f2acfd0557b2aeb4418caf098e5ebfccd9e3526f
- MD5 97a0ba284581fbe2be05d45831b40c5d
- SHA1 692610b6030c5b33f7de6b5b2aa2c0bc0086bb36
- SHA512 61334d179469446303885c962343b5dbfe0fb4ef815d9cc8288d1f22541e4f2fef278c1671c015a624493581067f4544728e614ed4b958b74f6e6fb69f3e0886
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhj:bgGYcA/53GAGgIvF7El
- TLSH T12A2322387BE52932D37BDFB586F691C6B975B8223D16980D40CA43444C33F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5260-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000600000001b860-13.dat CryptoLocker_rule2 behavioral2/memory/2372-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2372-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2372 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 2026-08-22_97a0ba284581fbe2be05d45831b40c5d_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 5260 wrote to memory of 2372 5260 2026-08-22_97a0ba284581fbe2be05d45831b40c5d_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_97a0ba284581fbe2be05d45831b40c5d_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_97a0ba284581fbe2be05d45831b40c5d_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5260 -
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:2372
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 47KB
- SHA256 7b3ec0ecfc7ccf52b175b11f795779fcbbbab9a8b75a039dcf5eecf8c69e7870
- MD5 18f65a8f8739c4e645b405395e5c8425
- SHA1 91a58e1022a9f2d1b9d2adc9cf8a6e5a24974909
- SHA512 3bd0f51137332c8e90fa317a2bc5b89d9ff3a563a72b53af9f6fb98326053de0441d8295c64c7d2ceb04843c5d06c4290194bc655537e195663facbb3159e0e0
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhn:bgGYcA/53GAGgIvF7EB
- TLSH T1402332387BE52932D37BDFB586F691C6B975B8223D16980D40CA43444C33F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH