Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 08:46
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_3fae3ae2ddaf580cad3d814551080547_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_3fae3ae2ddaf580cad3d814551080547_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-20_3fae3ae2ddaf580cad3d814551080547_cryptolocker_elex.exe
- Size 30KB
- Sample260820-kpjglswtgs
- SHA256 2557e47f406ef467239ef88915da61f8aea9b33800a84664089b619584e6d9dd
- MD5 3fae3ae2ddaf580cad3d814551080547
- SHA1 ece54f24c0dfc1e9e0ece10c26a8366c904f345b
- SHA512 5ad58d14ad06558d6f945396844fd54a937e932aeee34f44cd6d22ff2478d2608c8a62c0ff7fd45161bf8811f9fe3d81c50dafa5e4b19b4f2781e472cbf7193c
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHMmHBdaUV:b674zYcgT/Ekd0cqfjzsmHBd/
- TLSH T1C1D2E8347BE72C71E37B9E7456F79082B97ABC223E25484E58CF73488933B52A84154E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb5-13.dat CryptoLocker_rule2 behavioral2/memory/1416-17-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2484 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 2026-08-20_3fae3ae2ddaf580cad3d814551080547_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 1416 wrote to memory of 2484 1416 2026-08-20_3fae3ae2ddaf580cad3d814551080547_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_3fae3ae2ddaf580cad3d814551080547_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_3fae3ae2ddaf580cad3d814551080547_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1416 -
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:2484
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 30KB
- SHA256 c7456f936754dc22d9c0db215dde86500471e742be8486f58d6bba4e0757fa2e
- MD5 88a2b84948519cd4f30394952324283b
- SHA1 0683b5da332801119eed065d8f787965004cf343
- SHA512 322e3d73cd39962b0fd7b844c114dbc33f1821141456ce3ab5f08e5d00588b5372450a9752ddb06eb9157ac118389a965cf26c7428f0ba37ca13168c7766afcd
- SSDEEP 384:b674uGLLQRcsdeQ72ngEr4K7YmE8j60payjfjDnHMmHBdaUI:b674zYcgT/Ekd0cqfjzsmHBdu
- TLSH T119E2E8347BE72C71E37B9E7456F79082B97AB8223E25484E58CF73488933B52AC4154E
- MD5 SHA1 SHA512 SSDEEP TLSH