Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 07:35
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-15_6db32faf83c9e86c2aa64499df7d56f2_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-15_6db32faf83c9e86c2aa64499df7d56f2_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-15_6db32faf83c9e86c2aa64499df7d56f2_cryptolocker_elex.exe
- Size 1.0MB
- Sample260815-jevapasway
- SHA256 c8ea83b0abffad0c291fe1c7d9a76f3a636cdda46fe31e6f3abbfb2c3909f18d
- MD5 6db32faf83c9e86c2aa64499df7d56f2
- SHA1 75bc3eeee4e998e12e2d711f31facbfc9105ef03
- SHA512 d88822d4af59de459527db626c612a3a1877945ef4d25aab8773a117c67982c679fb120d145099b96e53d3a057a5f17d5686e70b73c66be42932f141a3bd5b21
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqd:bGbvflT/ZFIjBzhxwOgXKarY1iB0
- TLSH T1F72509BE74972645FE624C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2652-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000500000001b851-13.dat CryptoLocker_rule2 behavioral2/memory/1392-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1392-26-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1392 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 2026-08-15_6db32faf83c9e86c2aa64499df7d56f2_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 2652 wrote to memory of 1392 2652 2026-08-15_6db32faf83c9e86c2aa64499df7d56f2_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-15_6db32faf83c9e86c2aa64499df7d56f2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_6db32faf83c9e86c2aa64499df7d56f2_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652 -
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:1392
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:2592
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 cce73b47472c3787c411fd0d0e3a7f7b25a108925b5991a61662dec24f7c09e3
- MD5 a16ea05b3ea62028ae69c6000b89a427
- SHA1 3f0576597b0120b353cd0fdfff5ed51fa769187a
- SHA512 34e25ad518fda00ed353a63dbd93f1c52172d66c157f0e73ca9a8af16b6faaa9672f28036254b1cde715ea23fd69d7ecaf54700877302e2ebbd1ffc2109cf879
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPq4:bGbvflT/ZFIjBzhxwOgXKarY1iBp
- TLSH T1E02509BE74972645FE625C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH