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
18/07/2026, 00:04
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe
- Size 1.0MB
- Sample260718-act3gadx61
- SHA256 12a064bca85a461ac1f7446008d46d6aee2a2cff01abbd9ccdfce618f8c22bdf
- MD5 02b8f4b5da0a516a5734cbbd88c10234
- SHA1 8d2e566f9bbfb3c34acc2b6a4aa1cd080995f1d6
- SHA512 f84e4867710def1b61e86d90f1742fc49592505fb387e261413452e6d33ca7b519406219e8eb0e262c5ad95531e2937854c8902c319aa57e929296946dd3fc78
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqf:bGbvflT/ZFIjBzhxwOgXKarY1iBy
- TLSH T1852519BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5900-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d00000001b301-13.dat CryptoLocker_rule2 behavioral2/memory/3664-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3664-26-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3664 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 2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_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 5900 wrote to memory of 3664 5900 2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-17_02b8f4b5da0a516a5734cbbd88c10234_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5900 -
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:3664
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 1.0MB
- SHA256 316ca9acb6fbc646e56bdb26bc7313f9da247108a65b0bd4398be837989ffdc8
- MD5 d1765c7e943c38920546477e39eafb22
- SHA1 abb9f9665ffcd8dbcb4a95e921deb6a180cb2ef8
- SHA512 823043755d750dea08a3d497dc56e1f7967b9c7aa9668453513b6a69f418d2f429aa195376aa27fa931606518e162252c4adb403eb6ca12b44274d17a1c6a4ff
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqZ:bGbvflT/ZFIjBzhxwOgXKarY1iBY
- TLSH T1E02509BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH