Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 21:32
Behavioral task
behavioral1
Sample
2026-07-29_01d8bee89b6c0ef7d8baf99c6931d304_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-07-29_01d8bee89b6c0ef7d8baf99c6931d304_coinminer_cryptolocker_elex.exe
- Size 66KB
- Sample260729-1d4leataph
- SHA256 1004912e4cd456a584fca12e58fae11fcc180c9aaf6ec3d4a3d8d685542300f3
- MD5 01d8bee89b6c0ef7d8baf99c6931d304
- SHA1 d43248867eac62ca4b46d363598cb940b3a961ba
- SHA512 ebc6d302457654a51217075e738e23c6c8332bb1be6e1caf47dc514bddbde321fd1f303f0ccd30ac9bf18a1f63572fd503c8a785e62268aa68796e0b1b340163
- SSDEEP 384:qubLCePtTXYLHav9NJaKCEkKH5vQbrtckstOOtEvwDpjqIGRYqoDdxtwx:qun/VbxjgQNQXtckstOOtEvwDpjfux
- TLSH T109631A65ABC815B2E377A7759DF7C682352BBC623D319D0C208A77058C337526862E1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3416-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0008000000019cb5-13.dat CryptoLocker_rule2 behavioral2/memory/3416-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4788-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/3416-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x0008000000019cb5-13.dat CryptoLocker_set1 behavioral2/memory/3416-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/4788-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/3416-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x0008000000019cb5-13.dat UPX behavioral2/memory/3416-18-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/4788-28-0x0000000000500000-0x000000000050F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4788 asih.exe -
resource yara_rule behavioral2/memory/3416-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x0008000000019cb5-13.dat upx behavioral2/memory/3416-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/4788-28-0x0000000000500000-0x000000000050F000-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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-29_01d8bee89b6c0ef7d8baf99c6931d304_coinminer_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3416 wrote to memory of 4788 3416 2026-07-29_01d8bee89b6c0ef7d8baf99c6931d304_coinminer_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-29_01d8bee89b6c0ef7d8baf99c6931d304_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_01d8bee89b6c0ef7d8baf99c6931d304_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3416 -
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:4788
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 66KB
- SHA256 ed708ca96cee5bac4a274b7b372092428c07d2d51789e39a6c9673e702feb3db
- MD5 16f5e783f3bc880b2990029aa7066e69
- SHA1 1ea0f92edc3457fa9688df606715a7f6ba22824c
- SHA512 4e95f36d9ced04dc1caf77cc7f39389cc6055d0189f005fb970779f5836cc446c623c7fbbd89f30e9f7397fa2cdd864164f52ee6f7fe5d1d23ddafc58717089f
- SSDEEP 384:qubLCePtTXYLHav9NJaKCEkKH5vQbrtckstOOtEvwDpjqIGRYqoDdxtwN:qun/VbxjgQNQXtckstOOtEvwDpjfuN
- TLSH T1A2631965ABC815B2E377A7759DF7C682352BBC623D219A0C20CA73058C337526862E1F
- MD5 SHA1 SHA512 SSDEEP TLSH