Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 12:13
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-03_44fed1862dfe1fbb0aebd30f52ee955f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_44fed1862dfe1fbb0aebd30f52ee955f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-03_44fed1862dfe1fbb0aebd30f52ee955f_cryptolocker_elex.exe
- Size 42KB
- Sample260804-pdzfxaag95
- SHA256 1d78bf65af0e07106cb775240cc1b9cf1d0b0af230474a471d5642dda7c925c1
- MD5 44fed1862dfe1fbb0aebd30f52ee955f
- SHA1 cbd2b8294f702ab83fd1a283213b51e6f9bd265d
- SHA512 83b5375db1f84e6be9bbd1a3b65ca6d62c01d991ca9db391660f178cba09170fc375381b05298297d6fea37bb903c902b4be4abebd79f3fecbc08340330a9267
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXC7:bgGYcA/53GAGgIvF6
- TLSH T10F1374387BE62972E37BDFB586F691C27975B8223D16880D40CE53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5064-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000f00000001b87e-13.dat CryptoLocker_rule2 behavioral2/memory/5048-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5048-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5048 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 2026-08-03_44fed1862dfe1fbb0aebd30f52ee955f_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 5064 wrote to memory of 5048 5064 2026-08-03_44fed1862dfe1fbb0aebd30f52ee955f_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_44fed1862dfe1fbb0aebd30f52ee955f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_44fed1862dfe1fbb0aebd30f52ee955f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064 -
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:5048
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 6b43dc1912e68cb1aa2fc8616af0abf91604c2a274c6b96f39197e6906b15ef8
- MD5 ffd7d7c008ca0ac27bfd83d33c984e3a
- SHA1 17d2d6db9c10efe8d47377820e456519271d553f
- SHA512 e9f0fb088fbc32627d6706a86d8a39e41c7498fec5db26b967996e8837cbbe0e4fb411cb24f9312276624b6727d18b28b7289e5363552286c3a52349ac184e34
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXC9:bgGYcA/53GAGgIvFg
- TLSH T1A61374387BE62972E37BDFB586F691C27975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH