Analysis
- max time kernel
150s - max time network
149s - 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, 03:09
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_48185956c80b1144fa9768118a036fc2_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_48185956c80b1144fa9768118a036fc2_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_48185956c80b1144fa9768118a036fc2_cryptolocker_elex.exe
- Size 43KB
- Sample260820-dnq2qsbb57
- SHA256 6d9dc346d24798c125af59d2789aec6a1023cde37173001522865d0f519afe69
- MD5 48185956c80b1144fa9768118a036fc2
- SHA1 e1ec1c52c9f7cc5253273851d43dfa61180bc8c4
- SHA512 3e3f3eb525c8ee5289fc4a9c43902ec538f1ca54b86e87e4c9c1b9e43f9db06a0f3b4f8c6832e8121b0d2718e925e39a6e903b434dbc343be88646141f7d8888
- SSDEEP 768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAHQf:bCDOw9aMDooc+vAwf
- TLSH T19B131F386BD4B772D277BA7185F241D2A8F475123B11C82D7ECE5347A822A3EBD9120D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/6052-0-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/6052-3-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b00000001b844-14.dat CryptoLocker_rule2 behavioral2/memory/1232-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1232 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_48185956c80b1144fa9768118a036fc2_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 6052 wrote to memory of 1232 6052 2026-08-20_48185956c80b1144fa9768118a036fc2_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_48185956c80b1144fa9768118a036fc2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_48185956c80b1144fa9768118a036fc2_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6052 -
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:1232
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 44KB
- SHA256 7b2d47e443d579806b2406f707b07670fe73f2c78603f019ebe99d99bb660dab
- MD5 4fa4e282ab064b40238d35529ff50069
- SHA1 a9f8ba93aaf61a50dd909c7de01ca9bc3ec7e7fe
- SHA512 701edff157909cf34c18d10699072e79cd1bd8e408630dbeee6d09ffc46cd316bdb7741de5b71074da186487fd79911b603f0fe24b95f02bf5eb23b975d1fa7d
- SSDEEP 768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAHQg:bCDOw9aMDooc+vAwg
- TLSH T17E131F386BD4B772D277BA7185F241D2A8F475123B11C82D7ECE5347A822A3EBD9120D
- MD5 SHA1 SHA512 SSDEEP TLSH