Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/06/2026, 16:50
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-06-26_39fd772fd1c942593be6fd47514c9d45_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-26_39fd772fd1c942593be6fd47514c9d45_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
5 signatures
150 seconds
General
- Target 2026-06-26_39fd772fd1c942593be6fd47514c9d45_cryptolocker_elex.exe
- Size 51KB
- Sample260629-vcbaksh14w
- SHA256 327176a5219430cc708a26496701316ec368bceaf41b1d3b43091cf2b4860b7e
- MD5 39fd772fd1c942593be6fd47514c9d45
- SHA1 bf988cfd7b779e750807ddfbca82a81618cbc4fd
- SHA512 d195c66a356ddd07227ab1e2d4f89f096943225c2c6c43131e7dc90414cb62bee525b4a1f595c5f5d726b5dc56a8f7af537e2c3db0a511d6f8b2c21331755b7d
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/Nd:bgGYcA/53GAGgIvF9v2ZM
- TLSH T1D63322387BE56972E37BCFB586F691C2B935B8223D16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5480-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00170000000115bd-13.dat CryptoLocker_rule2 behavioral2/memory/3692-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3692-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3692 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 2026-06-26_39fd772fd1c942593be6fd47514c9d45_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 5480 wrote to memory of 3692 5480 2026-06-26_39fd772fd1c942593be6fd47514c9d45_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-26_39fd772fd1c942593be6fd47514c9d45_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-26_39fd772fd1c942593be6fd47514c9d45_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5480 -
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:3692
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 51KB
- SHA256 a18d8fe273d5d760bc95269375f0aa61452061ec17af007af7c704f20be94410
- MD5 e748f3e0154d34410976a00eaaaf0ad7
- SHA1 8b58bb79a15308843637e0fc959b7c7e82c34eee
- SHA512 d028fe227c9bcdcdae5c1832326616dbfd0df6c34a8ebf285ef8beb4cb073200a6135567d61e55015f9358c8e28e8fe5f318c8a7f432ae8ced43a560a002e4bc
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIK/NI:bgGYcA/53GAGgIvF9v2ZB
- TLSH T14F3322387BE56972E37BCFB586F691C2B935B8223D16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH