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, 11:59
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-18_080e9361b243d8d1f8440a7d3802df95_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-18_080e9361b243d8d1f8440a7d3802df95_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-07-18_080e9361b243d8d1f8440a7d3802df95_cryptolocker_elex.exe
- Size 1.0MB
- Sample260718-n57qxsdz21
- SHA256 592538cd41cb6c95be1f459315392823809884cd85505c615e75b8b4ddfb9aee
- MD5 080e9361b243d8d1f8440a7d3802df95
- SHA1 e359fab0ab8bd8c596f21d398f851bf45369542e
- SHA512 88b266141646f1a339cb861cb4363618b46dc962d6858e9800419e706a743cb40fb4cb1ce2fe44e194031628b117a186d5115f908314ad76a5a0b393760ddd76
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqM:bGbvflT/ZFIjBzhxwOgXKarY1iB1
- TLSH T1D62509BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4684-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x001200000001122a-13.dat CryptoLocker_rule2 behavioral2/memory/3096-19-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3096-26-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3096 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 2026-07-18_080e9361b243d8d1f8440a7d3802df95_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 4684 wrote to memory of 3096 4684 2026-07-18_080e9361b243d8d1f8440a7d3802df95_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-18_080e9361b243d8d1f8440a7d3802df95_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-18_080e9361b243d8d1f8440a7d3802df95_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4684 -
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:3096
-
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 5ba82f539c5a40733f0a2e9940e35b88d8a21df777d528f3a9e9881ca3e7f8f5
- MD5 b4380b114dfcbd4d1a3e9b890de95239
- SHA1 1b10eab201c95588240a8899c296bf06e28d68e6
- SHA512 eae447a5eeebd3a1dc72616dd15615c5203584f4d5a16a9baddfb498df94a7fb37a58c5ca004a47b2bae1b9c030cfd799d3d84f1f862d78ee586857a81284abf
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqF:bGbvflT/ZFIjBzhxwOgXKarY1iB0
- TLSH T18C2509BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH