Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/08/2026, 20:23
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-07_8ba2d83ae17490f5698a42c6f7762726_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-07_8ba2d83ae17490f5698a42c6f7762726_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-07_8ba2d83ae17490f5698a42c6f7762726_cryptolocker_elex.exe
- Size 69KB
- Sample260807-y6bpzsshnd
- SHA256 9419d6661f37e5cbbf083dc2741d71dd1da5ab293cdf9616c7220055155f6334
- MD5 8ba2d83ae17490f5698a42c6f7762726
- SHA1 aa9c4ec948224a88029d46796611d2895973cc5c
- SHA512 cd2e16d1f4d4fb8e1302baddfa1d3c8dbed71257a66377b555c1443ce30d69b58d56eccb2a917bdc5188077e43f897dae1a47f1bd75ce5d8ac7b578076f90439
- SSDEEP 768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpEwu2fIMumg:6j+1NMOtEvwDpjr8ox8UDEpDujn1
- TLSH T11B63CB396FD51A72E37BDAB6D5F681C7B921B8223C22980D40CB53454C23F52EDA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/3140-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3140-3-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a0000000242fc-14.dat CryptoLocker_rule2 behavioral1/memory/4384-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/4384-20-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/3140-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/3140-3-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000a0000000242fc-14.dat CryptoLocker_set1 behavioral1/memory/4384-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/4384-20-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/memory/3140-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3140-3-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a0000000242fc-14.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/4384-18-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/4384-20-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation 2026-08-07_8ba2d83ae17490f5698a42c6f7762726_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 4384 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_8ba2d83ae17490f5698a42c6f7762726_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 3140 wrote to memory of 4384 3140 2026-08-07_8ba2d83ae17490f5698a42c6f7762726_cryptolocker_elex.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-07_8ba2d83ae17490f5698a42c6f7762726_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-07_8ba2d83ae17490f5698a42c6f7762726_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3140 -
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:4384
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 69KB
- SHA256 a1b3471f1cc97c620a5a4b8e8488c28334e073aacae8ea457e1d185fe18f23d1
- MD5 8a91b8e05d5e2c1c0b95a39d2d4d8051
- SHA1 f7945c6a891e710854e9357163bca6370d6443af
- SHA512 75dbf90bb5655e90fe883186fb4bdcc1403ebd4f3a6b1fdd5c7a477285a0f2b8dce658132fe8c1fa17bfd9a6b118a97d44e650218508a0fe55c08af7b59f3aeb
- SSDEEP 768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpEwu2fIMum7:6j+1NMOtEvwDpjr8ox8UDEpDujny
- TLSH T14263CB396FD51A72E37BDAB6D5F681C7B921B8223C22980D40CB53454C33F52EDA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH