Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 11:13
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe
- Size 30KB
- Sample260820-nbfeksar7v
- SHA256 8319fdbfb23f4ebe74230e80ffdfb8bab4c7e7f2d268eb11c2c24842c3e08bb4
- MD5 e209310af62722164f9bab6f42fc14be
- SHA1 29d39ad6f3c29b58638250ec0dd3e465ec58573c
- SHA512 d94d170302cbe356304e01769d7a6c78520969377d862d8731db1cd4a6a189855ed34484b5ca189cf8677031b89c559ce3857fed9a4cb8697724893d6aac9132
- SSDEEP 384:bIDl1ovmXAw9PMDREhi9OUSPlRxMc/cip7IAfjDb4H0g/Xf4LlkTKaEp7xA1f4:bIDOw9UiaCHfjnE0Sf8daAFAu
- TLSH T165E2C739BEE56872E277AB7154F39182A875BD523E24494E98CF73880932F53FC6210D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/memory/1052-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b000000016cdf-13.dat CryptoLocker_rule2 behavioral2/memory/4104-19-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4104 lossy.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 lossy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1052 wrote to memory of 4104 1052 2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_e209310af62722164f9bab6f42fc14be_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4104
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 30KB
- SHA256 cf20d41ec9b907222d8f749459e420082ed74275786c6d7e92e346cd310c4683
- MD5 f1cb9c6709d931213c2ec79894cd6c24
- SHA1 168aff1747f4cac08f0b2ec39a6b09eac8900818
- SHA512 2d0072fc9db70247ca960bcb262aa0f802ccd8a1924696ca976954ccdd0dc41b5accb5935f0a2136a3ef9e286816e48db092fee7e696e8138fb9466cdaa4da0c
- SSDEEP 384:bIDl1ovmXAw9PMDREhi9OUSPlRxMc/cip7IAfjDb4H0g/Xf4LlkTKaEp7xA1fq:bIDOw9UiaCHfjnE0Sf8daAFAk
- TLSH T1BCE2C739BEE56872E277AB7154F39182A8757D523E24494E98CF73880932F52FC6210D
- MD5 SHA1 SHA512 SSDEEP TLSH