Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/07/2026, 07:54
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-27_ce1305fe6197b98b31bdfa846578aa74_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-27_ce1305fe6197b98b31bdfa846578aa74_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-27_ce1305fe6197b98b31bdfa846578aa74_cryptolocker_elex.exe
- Size 42KB
- Sample260727-jry5eahh97
- SHA256 f8a7d20cc846d8d1cf08be6130f964045817bc45962c41d9ddd581c0b1980ba0
- MD5 ce1305fe6197b98b31bdfa846578aa74
- SHA1 cef85cf76457c520893f2ec61f8812c5dbea70c0
- SHA512 404c1209b1c3d9e26ca150f3b8f7c4fc99f24b65375cf6301709aabc5e9667c9c980df82e06caf637790ca797202257a53e988103abac50e5e6d8f0137477ce0
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCU:bgGYcA/53GAGgIvFp
- TLSH T1561374387FE62972E37BDFB586F691C27975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4528-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00120000000118f0-13.dat CryptoLocker_rule2 behavioral2/memory/4444-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4444-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4444 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 2026-07-27_ce1305fe6197b98b31bdfa846578aa74_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 4528 wrote to memory of 4444 4528 2026-07-27_ce1305fe6197b98b31bdfa846578aa74_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-27_ce1305fe6197b98b31bdfa846578aa74_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_ce1305fe6197b98b31bdfa846578aa74_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528 -
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:4444
-
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 98dedc1ca587b89ec2118db180be629495130c54f8b0918c319d3ef206fb87b5
- MD5 669c108107d2b279ae851bfa69acff66
- SHA1 55157c57cca0df656c1e3a6d581f166331c1328a
- SHA512 220af61ccb54ea82b5b5bf5ecb456de0ff53d3854c143ca02717cbb1ead404ef818bba381faf4d616592e4462ee05e36b3d4c6cc5ca735d7b0b517e77f700412
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCU:bgGYcA/53GAGgIvFx
- TLSH T1BF1374387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH