Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 11:49
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-19_33fc6805aa7bad3d47e832bb086f25a2_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-19_33fc6805aa7bad3d47e832bb086f25a2_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-19_33fc6805aa7bad3d47e832bb086f25a2_cryptolocker_elex.exe
- Size 81KB
- Sample260819-ny27vsvxds
- SHA256 01c05ab42ea95277249c8de8743e7f6573620cbe91d8fa51bc2c04d4e3daa668
- MD5 33fc6805aa7bad3d47e832bb086f25a2
- SHA1 6c9802255bc1c2a3082a5478ea4630b82c1264a4
- SHA512 823bc47c23e59b772f346c151ba77fe6cfd7ff62239bb4249a7ae3ce56b74a81d9a24c44d91d0eae2c9a9d875b0e3e433aa691b2281d2a672457c4bd2b9411d5
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfrV/T:lj+VGMOtEvwDpjubwQEI8UDVT
- TLSH T19A83BC386FE91672E3BBCAB5D6F641C2B975B8223D12980D40DA53440C33F56EDB1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4240-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4240-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000c000000019cc9-14.dat CryptoLocker_rule2 behavioral2/memory/2564-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/4240-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4240-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000c000000019cc9-14.dat CryptoLocker_set1 behavioral2/memory/2564-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/4240-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4240-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000c000000019cc9-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2564-26-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 2564 misid.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 2026-08-19_33fc6805aa7bad3d47e832bb086f25a2_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4240 wrote to memory of 2564 4240 2026-08-19_33fc6805aa7bad3d47e832bb086f25a2_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_33fc6805aa7bad3d47e832bb086f25a2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_33fc6805aa7bad3d47e832bb086f25a2_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2564
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 81KB
- SHA256 b90c93bcee75c0eb0478d4e0fa4b182123b703a7f576b7cabfef6b89db94a9ec
- MD5 57b101cc2cbd34955b4ff141727d020a
- SHA1 e6edb04e50cf1b4dd6431ffbb200cea059f4beab
- SHA512 094d4fa9afa5d03cf0d9710c874672e4b66bba9176f65cdeadb77a9f6feac0ed7a9fa15b1363bb60c776d6dd93194bf5293d7b62ed0d44e69d8115dad15d0829
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfrV/p:lj+VGMOtEvwDpjubwQEI8UDVp
- TLSH T12E83CC386FE91672E3BBCAB5D6F641C2B975B8223D12980D40DA53440C33F56EDB1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH