Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 23:28
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-18_808fb2423e5b3a38d5f145dd7db4477b_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-18_808fb2423e5b3a38d5f145dd7db4477b_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-18_808fb2423e5b3a38d5f145dd7db4477b_cryptolocker_elex.exe
- Size 47KB
- Sample260818-3geskasfnc
- SHA256 aec84dbd25a368d01ee5e0cfcf766548c4105e73093e895e945a66f3e27c206f
- MD5 808fb2423e5b3a38d5f145dd7db4477b
- SHA1 aab6f2b0cdddf8b23c0d99f71f8778efd7886403
- SHA512 c8eefb6d5297aaa07ec1538eef0a15efd034625a5be4bc0c6c74593a7023bac69d99153902e02bdf78ee08a5c61b45c9bbe88a1d4f66f09a8d75a3eb1a54fa7e
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhzeh:bgGYcA/53GAGgIvF7Ey
- TLSH T1ED2322387FE52932D37BDFB586F691C6B975B8223D16980D40CA43444833F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3124-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000e00000001c501-13.dat CryptoLocker_rule2 behavioral2/memory/528-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/528-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 528 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 2026-08-18_808fb2423e5b3a38d5f145dd7db4477b_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 3124 wrote to memory of 528 3124 2026-08-18_808fb2423e5b3a38d5f145dd7db4477b_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-18_808fb2423e5b3a38d5f145dd7db4477b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_808fb2423e5b3a38d5f145dd7db4477b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124 -
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:528
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 47KB
- SHA256 4ac9bd31b8a04407f3da81a9d57df43e18621a245ac16906d76d49981beefed0
- MD5 08f6bbf58b880bb37c78738dddbadbc8
- SHA1 1c3fe5deae2af8475d458dc72e896a7bb298df2e
- SHA512 5c91f321755225f48bb9f8dc7be08b03d77f6d693e47c8d39e8dcef0a4c49d9ab627222c74a922e658dba9c15b467ce73850435d9158b0e4a703287bca2f389e
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcJEhzeC:bgGYcA/53GAGgIvF7Ep
- TLSH T19A2311387FE52932D37BDFB586F691C6B975B8223D16980D40CA43444823F66ECA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH