Analysis
- max time kernel
149s - max time network
100s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
31/05/2026, 09:07
Behavioral task
behavioral1
Sample
2026-05-31_d349eb58d6b3b3aa3dbee5dec127312a_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 2026-05-31_d349eb58d6b3b3aa3dbee5dec127312a_coinminer_cryptolocker_elex.exe
- Size 68KB
- Sample260531-k3kltsfv8q
- SHA256 4b207d034e20f08e0e8db390493b33afa99a66a1850a0ccc641bae501a6b24d8
- MD5 d349eb58d6b3b3aa3dbee5dec127312a
- SHA1 92347105959c56dc7721f715aacf199428e321e9
- SHA512 2b16f8ec2dad2a2973311905aa6f2e28771cc7a4d6af807abb7af704ffe873ef855feee16f0b853be54990f870d3de596c26045fcd3b5d2f2a97d931ac77b3cd
- SSDEEP 1536:76QFElP6n+gKmddpMOtEvwDpj9aYaFAeGLh:76a+CdOOtEvwDpjQO
- TLSH T1976362396FD51A72E377CAB585F782C3B926B8233922990D50CE17414C33B16EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/2336-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2336-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x001d00000002b2c1-14.dat CryptoLocker_rule2 behavioral2/memory/2668-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2668-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/2336-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/2336-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x001d00000002b2c1-14.dat CryptoLocker_set1 behavioral2/memory/2668-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/2668-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/2336-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/2336-3-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/files/0x001d00000002b2c1-14.dat UPX behavioral2/memory/2668-18-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/2668-26-0x0000000000500000-0x0000000000510000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2668 asih.exe -
resource yara_rule behavioral2/memory/2336-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2336-3-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x001d00000002b2c1-14.dat upx behavioral2/memory/2668-18-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2668-26-0x0000000000500000-0x0000000000510000-memory.dmp upx - 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 2026-05-31_d349eb58d6b3b3aa3dbee5dec127312a_coinminer_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2336 wrote to memory of 2668 2336 2026-05-31_d349eb58d6b3b3aa3dbee5dec127312a_coinminer_cryptolocker_elex.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-31_d349eb58d6b3b3aa3dbee5dec127312a_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-31_d349eb58d6b3b3aa3dbee5dec127312a_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2668
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 68KB
- SHA256 79f96945a30c4a7a41689a658f1a78943894d126091b07976520270bb30f468a
- MD5 414aef60bf7d13b1a6fe58fc124f604f
- SHA1 4ecc7cd6a6bcb2f061eab58a811a8aaed4363dba
- SHA512 901ba07c1c153aaed37b6391ed5fe36920f5427597c9307509a353b5792071079c7b2262c923b7df8936142f88c19de02b2906c739ac3e83a3cbd054985e102b
- SSDEEP 1536:76QFElP6n+gKmddpMOtEvwDpj9aYaFAeGLA:76a+CdOOtEvwDpjQL
- TLSH T1976362396FD51A72E377CAB585F782C3B926B8233822990D50CE17414D33B16EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH