Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/05/2026, 09:27
Behavioral task
behavioral1
Sample
2026-05-04_18b368b7d946e6db1477df23811f253d_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target 2026-05-04_18b368b7d946e6db1477df23811f253d_coinminer_cryptolocker_elex.exe
- Size 67KB
- Sample260504-le461aa16j
- SHA256 b166f143a610def941437241e623e15b630f0766abbefa4d5469d45bb1c18f67
- MD5 18b368b7d946e6db1477df23811f253d
- SHA1 6e2e455f7309d647764031920cbf68797ce3bd1c
- SHA512 13a45d1d870a9b73c80c94bfd349abb60ad5a576f6168ba5c3a568e53a4c60ce806a4eb517402adb26036af6ba447de5682fab175f63c7fc40635df4f3d80fac
- SSDEEP 768:qun/VbxjgQNQXtckstOOtEvwDpjfP6aAc8:qu/Ju9cvMOtEvwDpj3/o
- TLSH T10D630975ABC815B2E377A675D9F786827427BC223D26990C10CA73454C33B53ACA2E1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3632-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0008000000000436-13.dat CryptoLocker_rule2 behavioral2/memory/3632-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1020-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/3632-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x0008000000000436-13.dat CryptoLocker_set1 behavioral2/memory/3632-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/1020-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/3632-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x0008000000000436-13.dat UPX behavioral2/memory/3632-17-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/1020-27-0x0000000000500000-0x000000000050F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1020 asih.exe -
resource yara_rule behavioral2/memory/3632-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x0008000000000436-13.dat upx behavioral2/memory/3632-17-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/1020-27-0x0000000000500000-0x000000000050F000-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 2026-05-04_18b368b7d946e6db1477df23811f253d_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 3632 wrote to memory of 1020 3632 2026-05-04_18b368b7d946e6db1477df23811f253d_coinminer_cryptolocker_elex.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-04_18b368b7d946e6db1477df23811f253d_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_18b368b7d946e6db1477df23811f253d_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3632 -
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:1020
-
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 efae0b83927194aed67e6d166f2fe1684aab764b64110ad8f972874300243d22
- MD5 5450887c0fa69e8d163589d7618ccc83
- SHA1 d7f138297d4831288d10ee7926027bbf7e193c89
- SHA512 3cba844fb3ec461df71e246e7b96d007e22d6566ecb05caa3ab18856a8e7b92da3e725c9ace1260c75555ba0558c991cfde099564d702867d6f1522cbe53668a
- SSDEEP 768:qun/VbxjgQNQXtckstOOtEvwDpjfP6aAcP:qu/Ju9cvMOtEvwDpj3/L
- TLSH T150630975ABD815B2E377A675D9F786827427BC223D22990C10CA73454C33B53ACA2E1F
- MD5 SHA1 SHA512 SSDEEP TLSH