Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 22:32
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-07-02_c42d1967bf79d0f1f97bae4ea53a6d86_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-02_c42d1967bf79d0f1f97bae4ea53a6d86_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
7 signatures
150 seconds
General
- Target 2026-07-02_c42d1967bf79d0f1f97bae4ea53a6d86_cryptolocker_elex.exe
- Size 43KB
- Sample260702-2f2ehafy3v
- SHA256 05167c5efe916d6d60419fa486a5ec22d59903ff3b81ac2e3cad40a674609be5
- MD5 c42d1967bf79d0f1f97bae4ea53a6d86
- SHA1 9689bb9341fb84fc5466cffbd1474bad17049d95
- SHA512 ad7aa5b6bb2bf6a5a50c50070587eb1168794021de9ccd105a5316ae8225c43b2baf1be1f454f154146ed158489df55d355d23c58c1064e18bbb7018a59ac617
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4d0W:lj+VGMOtEvwDpjoNMpBad0W
- TLSH T14813C6366FC51932E3779B7595FB82C2BA66BC563C31950E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/6076-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/6076-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x00120000000118fc-14.dat CryptoLocker_rule2 behavioral2/memory/6020-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/6020-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/6076-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/6076-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x00120000000118fc-14.dat CryptoLocker_set1 behavioral2/memory/6020-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/6020-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/6076-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/6076-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x00120000000118fc-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/6020-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/6020-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 6020 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 2026-07-02_c42d1967bf79d0f1f97bae4ea53a6d86_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 6076 wrote to memory of 6020 6076 2026-07-02_c42d1967bf79d0f1f97bae4ea53a6d86_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-02_c42d1967bf79d0f1f97bae4ea53a6d86_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-02_c42d1967bf79d0f1f97bae4ea53a6d86_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6076 -
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:6020
-
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 914fa64076a71045be2937e0a232d23e2e6c68450bbff87429d5c27f2af93a96
- MD5 09a8bcdc2b7885344c33a43357fbc2d0
- SHA1 9c99e6c621dbb57c423ee3ee1a4a8950379d83cc
- SHA512 184124f5777c4b8b6aaf303e503504412c6d5aa72bf90a8056aec163d7a6c3e3e0a9798106e87443c8e0a4d3671e274c10e3362e8f58eea47a6ac8b8aa0de515
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4d0p:lj+VGMOtEvwDpjoNMpBad0p
- TLSH T12313B5366FC51932E3779B7595FB82C2BA66BC563C31950E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH