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
02/08/2026, 14:55
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-02_0ae9104a13fa6cf15f09d90aaa5864e0_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_0ae9104a13fa6cf15f09d90aaa5864e0_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-02_0ae9104a13fa6cf15f09d90aaa5864e0_cryptolocker_elex.exe
- Size 80KB
- Sample260802-sagy8svgpg
- SHA256 1ddfa10a63efac29e4d12c467b31233b88ee5b1d3cda1c6e49f23c66036c60f8
- MD5 0ae9104a13fa6cf15f09d90aaa5864e0
- SHA1 ef2f8434c6617ebc217194a0f12f5a6fc3698307
- SHA512 0f7ad42b1835287d37b3c5a5e2743c988a2cbe3b8f8cea10048cbddbfcf4200d3296d51b47e62fd85ddbd25af195811a3c6c2e2afea7070aee4e4f8f75b8895e
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfrV/x:lj+VGMOtEvwDpjubwQEI8UDVx
- TLSH T16183BC386FE91672E3BBCAB5D6F641C2B975B8223D12980D40DA53440C33F56EDB1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/5032-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5032-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00110000000118ee-14.dat CryptoLocker_rule2 behavioral2/memory/4060-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4060-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/5032-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/5032-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x00110000000118ee-14.dat CryptoLocker_set1 behavioral2/memory/4060-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4060-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/5032-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/5032-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x00110000000118ee-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4060-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4060-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 4060 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 2026-08-02_0ae9104a13fa6cf15f09d90aaa5864e0_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 5032 wrote to memory of 4060 5032 2026-08-02_0ae9104a13fa6cf15f09d90aaa5864e0_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_0ae9104a13fa6cf15f09d90aaa5864e0_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_0ae9104a13fa6cf15f09d90aaa5864e0_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032 -
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:4060
-
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 1fa22e50dc3fa15a7701ff0a7e163d720ce16c405fc1bc9218a5f7bbddfdf2ae
- MD5 e4f074c2d149a5de482c3ce7213dea10
- SHA1 27dcebfd551d76c3efb32bfdb63a33c7fdadaeb9
- SHA512 96a903233781fc4e781408a915298b77a51bda660f6c7b6dd394e7c87b098d79dd64ffea496fe3f313cee88a42b1866457ef399ea010080d916f5911bfc9cf96
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfrV/R:lj+VGMOtEvwDpjubwQEI8UDVR
- TLSH T1C883BD386FE91672E3BBCAB5D6F641C2B975B8223D12980D40DA53440C33F56EDB1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH