Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 01:08
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-06-30_035b6d5ecf90ea038b02f2c07d1fa435_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-30_035b6d5ecf90ea038b02f2c07d1fa435_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
7 signatures
150 seconds
General
- Target 2026-06-30_035b6d5ecf90ea038b02f2c07d1fa435_cryptolocker_elex.exe
- Size 42KB
- Sample260701-bhp65sdx4x
- SHA256 30e0ef443ebbb49605917876f055e204cb1aed93e41bfc928eca10a7b7703305
- MD5 035b6d5ecf90ea038b02f2c07d1fa435
- SHA1 6d74cfdcda038138d3a51cc4a918c5a449ccfda6
- SHA512 86ac1c159c70a77b98bf7c46015b73155325c81d41fb86384d66a1865d1e81eea141e17a749f8be8013487da2eb7400374558ed9ab2d060b6acd95bbc5d17a9c
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4GT:lj+VGMOtEvwDpjoNMpBaGT
- TLSH T1A213C7366FC51932E2779B7195FB82C2B666BC563C31990E918A33054D33B02EDA1E1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/4192-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4192-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00160000000118d8-14.dat CryptoLocker_rule2 behavioral2/memory/6152-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/6152-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/4192-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4192-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x00160000000118d8-14.dat CryptoLocker_set1 behavioral2/memory/6152-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/6152-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/4192-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4192-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x00160000000118d8-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/6152-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/6152-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 6152 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 2026-06-30_035b6d5ecf90ea038b02f2c07d1fa435_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 4192 wrote to memory of 6152 4192 2026-06-30_035b6d5ecf90ea038b02f2c07d1fa435_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-30_035b6d5ecf90ea038b02f2c07d1fa435_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-30_035b6d5ecf90ea038b02f2c07d1fa435_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4192 -
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:6152
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 42KB
- SHA256 95ce235693da1f28162717bfc22adce1fab9a62949440b0ba0bcf4ca428d9523
- MD5 22d8b34df9b1fa868a7d6a8b8f95f6c9
- SHA1 a9388ddfdef6808af994f9784d8a96755b8df50f
- SHA512 21adc417e05c3625e2997e3c0b6bbd3a5a1d2471e80e2f7e83edbf09ce20149f169abeb16a5138f5f837449a23ff27982d0d40e9ae6b009ad59cc528b5fb9661
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4GT:lj+VGMOtEvwDpjoNMpBaGT
- TLSH T17713C7366FC51932E2779B7195FB82C2B666BC563C31990E918A33054D33B02EDA1E1F
- MD5 SHA1 SHA512 SSDEEP TLSH