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
19/07/2026, 03:17
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-19_392255a973ab80603175e3fbcc6e7ded_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-19_392255a973ab80603175e3fbcc6e7ded_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-19_392255a973ab80603175e3fbcc6e7ded_cryptolocker_elex.exe
- Size 41KB
- Sample260719-dth83sdv91
- SHA256 0fcaab1a58a6e3f055b4614e8c6ae1817e000363a3e5f2e678b926321272a7c7
- MD5 392255a973ab80603175e3fbcc6e7ded
- SHA1 555537322ecd507782d59e07f48c15321d748d77
- SHA512 1f492a2230504bdfc9d02f2865ef5b5b9c6eb5bb868f719db762b7c9ac75dfe5e2b295c86fb1d041a54d05bd2f038c588d37b121f338bb305a250f3b161369a8
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCu:bgGYcA/53GAGgIvFP
- TLSH T18E1375387BE62972E37BDFB586F691C27975B8223D16880D44CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2300-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000600000001b85f-13.dat CryptoLocker_rule2 behavioral2/memory/1276-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1276-23-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1276 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 2026-07-19_392255a973ab80603175e3fbcc6e7ded_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 2300 wrote to memory of 1276 2300 2026-07-19_392255a973ab80603175e3fbcc6e7ded_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-19_392255a973ab80603175e3fbcc6e7ded_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-19_392255a973ab80603175e3fbcc6e7ded_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
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:1276
-
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 5bcf74074a0675c04982028388ede17f015b7a08d8fc783c016a5dc39400ad86
- MD5 ab9454feb81161c15f976c5fb7b5cf8b
- SHA1 9feabdacda4b08dc506c73ccce94f6f1240840e9
- SHA512 4cfeecda3f56315d33d76e99cb32776b53c8bdedae5728a02af27ad542d7e5e59ca6a96158a3ca691672dab3a79ba38f8bebaea787ba666f940de9e33fce992a
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXC/:bgGYcA/53GAGgIvFG
- TLSH T10B1375387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH