Analysis
- max time kernel
150s - max time network
156s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 00:02
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe
- Size 34KB
- Sample260809-abpflaz1bt
- SHA256 1a53ca1403d22a029dba5feb61b1273fdcd2454766e6f80ce8716d25de8a40f5
- MD5 e90fb3d76af155ac3e7958ee882bb0f6
- SHA1 9e77bf23ba9f578a1a63d0aa3d9b982be92ded7a
- SHA512 e5060caf2f2a93817442cef7d5c9f1bdc4853db27a6441f4823d03eeed20f93e282ce2b7502028934b07adc4ea5319265061fc1ba9392d835ea8b1c0f1fcd188
- SSDEEP 384:l0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26a4rIcVRYp055TOtOOtEvwDpjqIGR5c:lQz7yVEhs9+4uR1bytOOtEvwDpjWkrf
- TLSH T162F25E73BFC50916E0231B70A9BFC652A757BC8A3D31554EE64A33068E3374299A1C6F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3344-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3344-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x001100000001b303-14.dat CryptoLocker_rule2 behavioral2/memory/3568-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/3344-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/3344-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x001100000001b303-14.dat CryptoLocker_set1 behavioral2/memory/3568-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/3344-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3344-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x001100000001b303-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/3568-26-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 3568 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 2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_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 3344 wrote to memory of 3568 3344 2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_e90fb3d76af155ac3e7958ee882bb0f6_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344 -
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:3568
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 34KB
- SHA256 9484925e6950cc5e50465d72ccfc9be8cc9c165fc922d399a562350723777145
- MD5 7144c2d82867856903ef8dfccf83a720
- SHA1 db1e90aa7ea939c7932abea50851ffb831e0c532
- SHA512 26abd2f2f96e230319fdaefca321f314a8fe8d7b8f09af9b503bf501a8897cf3a2897a9bd70984e2967b98247900755ddd29a41e1278a8a4d566ba0c4c58b521
- SSDEEP 384:l0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26a4rIcVRYp055TOtOOtEvwDpjqIGR57:lQz7yVEhs9+4uR1bytOOtEvwDpjWkrA
- TLSH T1ACF25E33AFC50916E0231B70A9FBC652A757BC8A3D31554EE68A33068D3374299A1D6F
- MD5 SHA1 SHA512 SSDEEP TLSH