Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 02:05
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-02_b6364350e72b2107cb008f0e0e62e885_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-02_b6364350e72b2107cb008f0e0e62e885_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
5 signatures
150 seconds
General
- Target 2026-07-02_b6364350e72b2107cb008f0e0e62e885_cryptolocker_elex.exe
- Size 1.0MB
- Sample260702-ch22dahv6k
- SHA256 5829d6a6c45f7b977542aba064c8eaa48776597dbdc0a08d411669c760748e0d
- MD5 b6364350e72b2107cb008f0e0e62e885
- SHA1 1c4bc1389a719197262ab0a801a3e92032d34eb0
- SHA512 fa258843d03d272fdb3cbc64eca6729473cad5c078bf37667e56fb26113d870687e34781ffdece74a42b1f9fe3ec5557538e6750e8074f54b369b06a1ebe8f4e
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPq2:bGbvflT/ZFIjBzhxwOgXKarY1iBr
- TLSH T1EB2519BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/6008-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00120000000118ff-13.dat CryptoLocker_rule2 behavioral2/memory/6096-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/6096-20-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 6096 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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-02_b6364350e72b2107cb008f0e0e62e885_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6008 wrote to memory of 6096 6008 2026-07-02_b6364350e72b2107cb008f0e0e62e885_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-02_b6364350e72b2107cb008f0e0e62e885_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-02_b6364350e72b2107cb008f0e0e62e885_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6008 -
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:6096
-
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 5d2a3019baa0166b5d8c91ec11c63e8543e28e958019c9d1f7316e2652f11e9d
- MD5 de946db740917bbb7bf3c643a240db29
- SHA1 ab2cadf15c5ed46956ef5df95bc72264f90a5a19
- SHA512 d935ea76636394342935402b3bde8a671d31e4537894b1aa689466b8fe3900cf5aa936c7228323f8df3dab1011642530b8165e76937528899fe44ac2a3e75d35
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqb:bGbvflT/ZFIjBzhxwOgXKarY1iB+
- TLSH T1742519BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH