Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/07/2026, 22:30
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-07_e28036e81599d22009b3a3cea121482d_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-07_e28036e81599d22009b3a3cea121482d_cryptolocker_elex.exe
Resource
win11ltsc2024-20260706-en
5 signatures
150 seconds
General
- Target 2026-07-07_e28036e81599d22009b3a3cea121482d_cryptolocker_elex.exe
- Size 44KB
- Sample260707-2e8gesfs4s
- SHA256 92a3184fd59084b4cb65efb13c35da12e817baa147cc513380a7683c2262503d
- MD5 e28036e81599d22009b3a3cea121482d
- SHA1 0a8ba428d1112c18f6963c8fa03c7305ce3f5247
- SHA512 2aebfd1424b6f105f0f7c495c247d4dfc0a06e826669db89ffd20b17c9d88e9286672a4358a0ce6d7b2bf5b8e949ecb92981760e8f6b4a1e3df45d515ccb66fc
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCTl:bgGYcA/53GAGgIvFk
- TLSH T1182365387FE62972D37BDF7586F691C6B975B8223D16980D40CA43444833F66ECA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2420-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0008000000000830-13.dat CryptoLocker_rule2 behavioral2/memory/1932-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1932-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1932 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 2026-07-07_e28036e81599d22009b3a3cea121482d_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 2420 wrote to memory of 1932 2420 2026-07-07_e28036e81599d22009b3a3cea121482d_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-07_e28036e81599d22009b3a3cea121482d_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-07_e28036e81599d22009b3a3cea121482d_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420 -
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:1932
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 45KB
- SHA256 fd12bd93f72e11513614cfd6c7ad5fd6fe5ce358c706ad28b86a9057ce7b7742
- MD5 b7b51963cffb007adf642051502b88a9
- SHA1 9a7e3225313168308e6eee441f809bca7acfe835
- SHA512 039b791b6cf4f4774f7656dcc87e55c6238ebd0ff0d0b2e25e00e357511bcfc4780dcb135bd5d83981ee2f6830d28456d63be69abcc0e49ac52c0916a7eefcf2
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCTX:bgGYcA/53GAGgIvFa
- TLSH T1F02365387FE62972D37BDF7586F691C6B975B8223D16980D40CA43444833F66ECA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH