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
15/07/2026, 12:17
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe
- Size 43KB
- Sample260715-pgc23sb19l
- SHA256 2f1068556e48785e0972b2a8c6b0545c42946f89cbe4ece5347a2feb56f313f1
- MD5 3540048e3c0988de774f236139db2a7f
- SHA1 a9d5dfbc1282ef334c37b3f49e8b8bbb95c7598a
- SHA512 1cbc4da28a1b5497cac6990ecbdbaff02c3fb5108dc7c71802855c9f5f280f4664449157f883a111c38602ab5ce6bd069d1833b96ea12a6f6de182f9c8afab89
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4Gd:lj+VGMOtEvwDpjoNMpBaGd
- TLSH T1FD13B6366FC51932E3779B7595FB82C2BA66BC563C31950E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/3124-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3124-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000600000001b85f-14.dat CryptoLocker_rule2 behavioral2/memory/5780-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5780-23-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/3124-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/3124-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000600000001b85f-14.dat CryptoLocker_set1 behavioral2/memory/5780-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/5780-23-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/3124-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3124-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000600000001b85f-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/5780-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/5780-23-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5780 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 2026-07-15_3540048e3c0988de774f236139db2a7f_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 3124 wrote to memory of 5780 3124 2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-15_3540048e3c0988de774f236139db2a7f_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124 -
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:5780
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 43KB
- SHA256 f1ed79b7c5b5712d489e974e9a5a0d7231e0a155a72d3f6910ccd8e3988ef98c
- MD5 679da69c1f9966a49472fbf6661569a4
- SHA1 363224751fa691a5d76b896118a642e8a325b484
- SHA512 6d35cbe0e4fc32748d369f7ae3afe2a262742c1cbdba6675633bc42000e788895e5aba108b7b953a36bbf0008e7e02df85c5ac5854e654d6c4eb07c200863d84
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4GO2:lj+VGMOtEvwDpjoNMpBaGO2
- TLSH T10C13A5366FC51932E3779B7595F782C2BA66BC563C31990E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH