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
06/09/2026, 22:22
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-06_94369fc5ede5c75b9491b2533c2434bb_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-06_94369fc5ede5c75b9491b2533c2434bb_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-06_94369fc5ede5c75b9491b2533c2434bb_cryptolocker_elex.exe
- Size 33KB
- Sample260906-2ahefatfjb
- SHA256 c8818f4142050f197e8b9e78b57174743f5fefeb4f24ff3af1b7aee183f3e8cc
- MD5 94369fc5ede5c75b9491b2533c2434bb
- SHA1 96104159e9ed452f85acd2471877bfeb657ff2c7
- SHA512 007577e9cc6b9da0ee162d74f5a9f0fb689b226c5a7039980ea1a5f836512b7dfbad97079cb3f86c47dab5f75a1a1c5cb4a94e0d3069e62f271e46dbfb3c2c0c
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDzaNYqAy/YmGl3J2W:bA74zYcgT/Ekd0ryfjLzViYmGl3J2W
- TLSH T10FF2C7387BD62871D37BDEB595F791C27979B8323E24884E58CE23888D32B52EC4251D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5844-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0008000000016b4d-13.dat CryptoLocker_rule2 behavioral2/memory/3976-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3976-26-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3976 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 2026-09-06_94369fc5ede5c75b9491b2533c2434bb_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 5844 wrote to memory of 3976 5844 2026-09-06_94369fc5ede5c75b9491b2533c2434bb_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-06_94369fc5ede5c75b9491b2533c2434bb_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-06_94369fc5ede5c75b9491b2533c2434bb_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5844 -
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:3976
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 33KB
- SHA256 ddaebdd75d4a76b36244af25c3f197b66081b5c10a32be80bd66ad40de812059
- MD5 a2d39b020d3b101296ff02771bd86a5f
- SHA1 fad83c0b778fbef723f4647d42f67285e946cc85
- SHA512 b3104516baee87acdae15c185ee1c918ac455337210ce81ca2571f2d0a3f712c2e551608ce65ecbc7c285c963e7cdd620aa17ed625fef9ff58a06dfee32829b7
- SSDEEP 384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUuDzaNYqAy/YmGl3J2U:bA74zYcgT/Ekd0ryfjLzViYmGl3J2U
- TLSH T13DF2C7387BD62871D37BDEB595F791C27979B8323E15884E54CE23888C32B52EC4261E
- MD5 SHA1 SHA512 SSDEEP TLSH