Analysis
- max time kernel
150s - max time network
148s - 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, 18:50
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_c392ca79b448712d6705e2b82c4fa066_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_c392ca79b448712d6705e2b82c4fa066_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_c392ca79b448712d6705e2b82c4fa066_cryptolocker_elex.exe
- Size 37KB
- Sample260820-xg84hstdmh
- SHA256 18d1c4213c530aa542047b9eb01cb399a2e5dbfc0e38f63a6b9da3fe51a4029f
- MD5 c392ca79b448712d6705e2b82c4fa066
- SHA1 f86733fb46b6c4154e3da7a694562201d5e7af40
- SHA512 e338ab8fd360b27265f318bd2c4a20b1b1e7cc41cd4497f586b963903b54b906390b95cfa96ecc6eced1474e1ada6d50f0c40ac9e62f6291d65b79ee24c6c622
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvaz/rXP:bdDOw9Uiaw8fjR0STX73OBqgazzf
- TLSH T1EA0374387EE56972E37BEB7185F381C2B874B8127D15990E94CE67440833F62EC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x0011000000019cbf-12.dat CryptoLocker_rule2 behavioral2/memory/2652-17-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3384 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 2026-08-20_c392ca79b448712d6705e2b82c4fa066_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2652 wrote to memory of 3384 2652 2026-08-20_c392ca79b448712d6705e2b82c4fa066_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_c392ca79b448712d6705e2b82c4fa066_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_c392ca79b448712d6705e2b82c4fa066_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652 -
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:3384
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 38KB
- SHA256 6c12aa5ebf6b7cddde0cddfb41d5bb1b5e84a6dc073e3f0bcab1a11546cfd0be
- MD5 7adb213e2cd24c8a192ca30c4d5c624d
- SHA1 ef40743889ffe322c91a7c487ef668b024b1921e
- SHA512 e8648a96b096caab72c5c3e8d68ee133536f03ab7e69f8d5ef090b75f52b552f1bafd28f6e879cbb9f375627b0bb79a30b654af8c61599820b450b4efcb4b945
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvaz/rXD:bdDOw9Uiaw8fjR0STX73OBqgazzT
- TLSH T1E70374387EE56972E37BEB7185F391C2B874B8127D15990E94CE67440833F62EC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH