Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 12:36
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe
- Size 35KB
- Sample260826-ps2jtazalg
- SHA256 f37e2e8589a43af7fdb9301b8bc43dedf063afd6df648051c56059b2e328b5c9
- MD5 b5942ec05528cf5997f4fe8f156826c0
- SHA1 b57ef73d6a6acef8cf24da59fc658c6913c2618f
- SHA512 c7d4328aea859b26b5f26b72982cfdc4397309c75ce4895b470a5ed44c0cd46aa2992e42019ab69c9656d8f57ce68286379f74e0d461d849f55f9e99b006d253
- SSDEEP 384:buWbtjL8L1iE0eBhkzPbKAaomTqCHMwfkfjDvghmaPc4mbZFVzmZ7:bxNQIE0eBhkL2Fo1Csw8fjzg1Aq7
- TLSH T1DFF2B438BDD62C72E37B8F7589F751C6B879B8A239158D8E54CE27480D23B12AC9150E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4680-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x001100000001b664-13.dat CryptoLocker_rule2 behavioral2/memory/6004-20-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/memory/6004-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 6004 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 2026-08-25_b5942ec05528cf5997f4fe8f156826c0_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 4680 wrote to memory of 6004 4680 2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-25_b5942ec05528cf5997f4fe8f156826c0_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4680 -
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:6004
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\pissa.exe
- Size 35KB
- SHA256 7c12bd8085b6ce8119d3efe637d6e160675218f31f6c2bb5c16f372b4744538c
- MD5 0ac8cc7f934d3b8c20ebb8d7a0aff77f
- SHA1 eede95263124287d5e86af3f4a5d023ca364510c
- SHA512 467a462c75aa3daed9353567e9076a672de3c21ed271e6465482aeb174136775e7e1736b6585f59ae0479dc457de1807e6259db8dfcaab80da08faf9fa4bd930
- SSDEEP 384:buWbtjL8L1iE0eBhkzPbKAaomTqCHMwfkfjDvghmaPc4mbZFVzmZd:bxNQIE0eBhkL2Fo1Csw8fjzg1Aqd
- TLSH T194F2B438BDD62872E37B8F7589F751C7B879B8A239158D8E54CE27480D33B12AC9150E
- 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