Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/09/2026, 08:27
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-06_07274b35913bfea7e95bba9c81dae95f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-06_07274b35913bfea7e95bba9c81dae95f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-06_07274b35913bfea7e95bba9c81dae95f_cryptolocker_elex.exe
- Size 39KB
- Sample260907-kcsvhssena
- SHA256 074cf60c1cec49dcb6c4683b75f608ec7906efd49ece24cdaed30a0eed1d8839
- MD5 07274b35913bfea7e95bba9c81dae95f
- SHA1 b6cfe430e228163b885d9eba98b3f33177562d06
- SHA512 74e21eed3211bcd8ecbddc46362d3694d430ea489a6c9094ccc460a98e7b9d057cd8b161d54c760a2a534224867300af8ffaaaaafd8ae3237acbb1acf50f53f5
- SSDEEP 768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3OxGh:bxNrC7kYo1Fxf3s06gYQh
- TLSH T1FD035038AED62973E37BCAB5C4F750C7B879B8A239118D8E50CB23454923B53BC9151E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3084-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000600000001b86d-13.dat CryptoLocker_rule2 behavioral2/memory/3452-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3452-20-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3452 pissa.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_07274b35913bfea7e95bba9c81dae95f_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pissa.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3084 wrote to memory of 3452 3084 2026-09-06_07274b35913bfea7e95bba9c81dae95f_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-06_07274b35913bfea7e95bba9c81dae95f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-06_07274b35913bfea7e95bba9c81dae95f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3084 -
C:\Users\Admin\AppData\Local\Temp\pissa.exe"C:\Users\Admin\AppData\Local\Temp\pissa.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3452
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\pissa.exe
- Size 39KB
- SHA256 ebd4db3a419af521e6e8d4ae4b67170df464670aa8397c9fb6172d7ba31d695a
- MD5 2b1bb950078c822b458e598e1dd3db15
- SHA1 2922d9154c3b1900710100ceda23dee76c1e06e5
- SHA512 3767d669b9a81f11dd260bff59fa02ad3105f41bcabd8fce7ada051495a9b1b9f0fecd4e76a47287e6fc28c9d7a44fde8a14ac2cf2385d2455f9c1614e49808c
- SSDEEP 768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3OxG5:bxNrC7kYo1Fxf3s06gYQ5
- TLSH T12F035138AED62973E37BDAB5C4F750C7B879B8A239118D8E50CB23450923B53BC9151E
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\pissec.exe
- Size 114B
- SHA256 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023
- MD5 e89f75f918dbdcee28604d4e09dd71d7
- SHA1 f9d9055e9878723a12063b47d4a1a5f58c3eb1e9
- SHA512 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0
- TLSH T1EEB092DDBC61E48018E535511EA3B60D146A22EBB9018B4018C00836A96035F8D0AAC5
- MD5 SHA1 SHA512 TLSH