Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 01:54
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-07_36628d228b0036160ff291d419717161_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-07_36628d228b0036160ff291d419717161_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-07_36628d228b0036160ff291d419717161_cryptolocker_elex.exe
- Size 39KB
- Sample260807-cbpgpsde46
- SHA256 16dd0b10b64096b9169774afbbf5feaa72054dc4d98b8a88e8b535244fb7ee59
- MD5 36628d228b0036160ff291d419717161
- SHA1 2d86e9d2199d194000715e6e69166e646d33af2d
- SHA512 dead119d606b700e1721fdc520f87538119192c03de5e73050319287b23322adeaec16719a6ee4185d68b1bac13559647850572d7bc57f9b8d49144f32ecddab
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfcOj1J:lj+VGMOtEvwDpjcRjj
- TLSH T1B6031932AFC51922E2379B7199FBC282BB67BC563C31550D918A33054D33B42ADA1E1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4836-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4836-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d000000019cb1-14.dat CryptoLocker_rule2 behavioral2/memory/4380-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/4836-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4836-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000d000000019cb1-14.dat CryptoLocker_set1 behavioral2/memory/4380-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/4836-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4836-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000d000000019cb1-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4380-26-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 4380 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 2026-08-07_36628d228b0036160ff291d419717161_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 4836 wrote to memory of 4380 4836 2026-08-07_36628d228b0036160ff291d419717161_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-07_36628d228b0036160ff291d419717161_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-07_36628d228b0036160ff291d419717161_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836 -
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:4380
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 39KB
- SHA256 c8acd4d5048d8c14ecfcd3a1d4611517e54cb67c625f9c56673e45819f8e4df2
- MD5 c32dfa99cc2950bf955231ac6909e928
- SHA1 d1ce02e9c15e85774b607a3175e3d3c5ba93bf26
- SHA512 5ab7a79dfc3a5235f900727966e9019e72f8df1631c16c6e2a07159f67ad6fe46ac75bafd75ae14f1598892b8a959ac5ede715ea39eca4fc432bb0b22cb1fcb6
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfcOj10:lj+VGMOtEvwDpjcRjK
- TLSH T177030932AFC51922E2379B7199FBC282BB67BC563D31550D918A33054D33B42ADA1E1F
- MD5 SHA1 SHA512 SSDEEP TLSH