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
16/07/2026, 11:38
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-07-16_7bc8f819b49814b99cb6dff7217a64c2_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-16_7bc8f819b49814b99cb6dff7217a64c2_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-07-16_7bc8f819b49814b99cb6dff7217a64c2_cryptolocker_elex.exe
- Size 43KB
- Sample260716-nrpyysfx6x
- SHA256 77beff9a843bfba137154c6aed3473181c447e1957c1280985a6c54965761c6f
- MD5 7bc8f819b49814b99cb6dff7217a64c2
- SHA1 ca0baffbecae79a370c183614d15ef9264e8516b
- SHA512 ac2a2ab044956776d5fb255898a4ce41aa5bdd7d4adcc2e543e553f6d8b3aaca67de9c919708d037bbe56048472a7d7e2dcb7631cf9afcb0c8b9373ec0c5bb71
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4Gzx:lj+VGMOtEvwDpjoNMpBaGt
- TLSH T1E913A5366FC51932E3779A7595FB82C2BA76BC563C31950E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4160-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4160-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d000000016cdc-14.dat CryptoLocker_rule2 behavioral2/memory/5972-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/4160-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4160-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000d000000016cdc-14.dat CryptoLocker_set1 behavioral2/memory/5972-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/4160-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4160-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000d000000016cdc-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/5972-26-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5972 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 2026-07-16_7bc8f819b49814b99cb6dff7217a64c2_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 4160 wrote to memory of 5972 4160 2026-07-16_7bc8f819b49814b99cb6dff7217a64c2_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-16_7bc8f819b49814b99cb6dff7217a64c2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-16_7bc8f819b49814b99cb6dff7217a64c2_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4160 -
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:5972
-
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 832572ca80047f386dd4e87d40b393f43068d17118ea83c5891abda8337ff47f
- MD5 141deceb838a5c41460f44bd454f629e
- SHA1 40ebda01859016f5b75428c11247eb5f2c1ffb62
- SHA512 86ceb83de2c944416387d34eba2307711bac58ee1ce7319c6e2ade6ee27146e6e14c2eb1e54e5c4fb49c3e90fd4d3ed40f29959d08e19097fd3d73fe12057562
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4GzD:lj+VGMOtEvwDpjoNMpBaGf
- TLSH T1B913A5366FC51932E3779A7595FB82C2BA76BC563C31950E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH