Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 01:45
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe
- Size 39KB
- Sample260807-b6fmlsel2v
- SHA256 ad667ae0035a059a371842630bfe4cdf39369ee006e60450b1f3f21cc1cadd3d
- MD5 bdade43fc9ac77aa7bd254e00ed83cb0
- SHA1 cec34b91d985607998d14807ff66fbb50a0393c5
- SHA512 85e435c82c3ec6e44781c72d4aca498fcca732694e7333c083eefc772efc28c111ffe180aa4bff80b5525b0aae3ee64751e3babd6d5cdf06e8ae946f167b4c06
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfcOj1w:lj+VGMOtEvwDpjcRjm
- TLSH T1EA030832AFC51622E2379B7199FBC282BB67BC563C31550E918A33054D33B42ADA1D5F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2912-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2912-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000a00000001136f-14.dat CryptoLocker_rule2 behavioral2/memory/3280-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/2912-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/2912-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000a00000001136f-14.dat CryptoLocker_set1 behavioral2/memory/3280-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/2912-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2912-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000a00000001136f-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/3280-26-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3280 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 misid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2912 wrote to memory of 3280 2912 2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-07_bdade43fc9ac77aa7bd254e00ed83cb0_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912 -
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:3280
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 39KB
- SHA256 78fdcd2a378f21bc07c5a52940fa806dd15fe0a44de10489e44d68e3f33d122e
- MD5 f49b9bb6fe08dbc1eae315394bb3cb61
- SHA1 4e9b0f17836300a3bd312898e55794ec77c098e7
- SHA512 28a291d0e62074744fc2ecfbcf6c25f527e1f10fb32b0feba3b9cfda82cba2d57f3b8bc7a3c76b0144e3e70732ababe20c15d9fbdd2437c932c288780f60dee9
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfcOj18:lj+VGMOtEvwDpjcRjC
- TLSH T1DB030932AFC51522E2379B7199FBC282BB67BC563C31550E918A33054D33B42ADA1E1F
- MD5 SHA1 SHA512 SSDEEP TLSH