Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 22:18
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-07_7df2e92f314991f37820e212ec352089_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-07_7df2e92f314991f37820e212ec352089_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-09-07_7df2e92f314991f37820e212ec352089_cryptolocker_elex.exe
- Size 34KB
- Sample260908-173afaysct
- SHA256 8b9559cfc293e8df3bd5fb2df261950aaf08eca411df55e30cfc2df6cd27685b
- MD5 7df2e92f314991f37820e212ec352089
- SHA1 3bd163ea6ef1f02d519feb0912d4b299328d113b
- SHA512 b0c0fef4aca0cce94c697409088662baf302c7263aea3f5a69b6a0bfdf66ab3a1ae3d79361021d700e14393136bd8db4ea63120e51282ebdc3ad6d0201c66cd2
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgI2wegz3GvUqmul3+p4Nfn:bA74zYcgT/Ekd0ryfjPI2bgY+SNf
- TLSH T10CF2A4386FD62972D377DEB595F791C2B835B8223A158C4E58CF23848C33B52AC8195E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3576-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d00000001b846-13.dat CryptoLocker_rule2 behavioral2/memory/5976-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5976-26-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5976 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 2026-09-07_7df2e92f314991f37820e212ec352089_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 3576 wrote to memory of 5976 3576 2026-09-07_7df2e92f314991f37820e212ec352089_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-07_7df2e92f314991f37820e212ec352089_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-07_7df2e92f314991f37820e212ec352089_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576 -
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:5976
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 34KB
- SHA256 8af1ce10b84c1f757e3fc46a6a573fc26d304329b74a0d28c02c415e1f2bd70d
- MD5 b1456d1082e21ef8aafccc10b97c4a4c
- SHA1 c56ed9dca9f267657e48cd6d0631458109c0a1d9
- SHA512 2091c968c8ee13435f1aab8ae1115c6d656e09ab322744b29ef4f4eafce2240ca78dd466f93e41d9308fceb5adee7cac18e98ef348095febfdc1f06c27af076f
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgI2wegz3GvUqmul3+p4NfM:bA74zYcgT/Ekd0ryfjPI2bgY+SN0
- TLSH T1ACF2A5386FD62972D377DEB595F791C2B835B8223A158C4E58CF23848C33B52AC8195E
- MD5 SHA1 SHA512 SSDEEP TLSH