Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260630-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 22:45
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-07-02_70ed24a67509c9da1e3b8d4a2e5bbf5b_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-02_70ed24a67509c9da1e3b8d4a2e5bbf5b_cryptolocker_elex.exe
Resource
win11ltsc2024-20260630-en
7 signatures
150 seconds
General
- Target 2026-07-02_70ed24a67509c9da1e3b8d4a2e5bbf5b_cryptolocker_elex.exe
- Size 43KB
- Sample260702-2plqeacy2n
- SHA256 e89cd288747df5b154eb41bef27a2ab9388b9ac0022ece04ca4e06838250ce8e
- MD5 70ed24a67509c9da1e3b8d4a2e5bbf5b
- SHA1 38388ea45034ac0893cd9da9649e12d59c537a18
- SHA512 94002b5024d00a986d39fa66a7ac3d8dcd6c300cec2fcefcdb97554de43e2064080ff86d4cea3d55128dd59c76d30eede69e30495607fe5ddd0792c45228199c
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4d0R:lj+VGMOtEvwDpjoNMpBad0R
- TLSH T19713C636AFC51532E3779B7595FB82C2BA66BC563C31950E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/2904-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2904-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b8c8-14.dat CryptoLocker_rule2 behavioral2/memory/2288-21-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2288-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/2904-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/2904-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000700000001b8c8-14.dat CryptoLocker_set1 behavioral2/memory/2288-21-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/2288-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/2904-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2904-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000700000001b8c8-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2288-21-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2288-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 2288 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_70ed24a67509c9da1e3b8d4a2e5bbf5b_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 2904 wrote to memory of 2288 2904 2026-07-02_70ed24a67509c9da1e3b8d4a2e5bbf5b_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-02_70ed24a67509c9da1e3b8d4a2e5bbf5b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-02_70ed24a67509c9da1e3b8d4a2e5bbf5b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904 -
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:2288
-
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 1db57c95d62584e8fdb46789bc6658529c42bfa1de0c8f0ebb15b7e7bff8e789
- MD5 7facff04740c040a157324424d0d9b4a
- SHA1 78b80118ef68bb73ac7ae4e1d26f0310a4914608
- SHA512 465174d34a07ced7d389017cea8b5d0cb89447a1b9fb797c23e2d46fb99ee270b30ac85c681875ade41bc916cb26fe29af88cb17243fd83477a622c29591d906
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4d00L:lj+VGMOtEvwDpjoNMpBad0e
- TLSH T13113B536AFC51532E3779A7595FB82C2BA66BC563C31950E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH