Analysis
- max time kernel
148s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/07/2026, 09:02
Behavioral task
behavioral1
Sample
2026-07-12_87427f8547559572c782152e4b1b4639_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-12_87427f8547559572c782152e4b1b4639_coinminer_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
General
- Target 2026-07-12_87427f8547559572c782152e4b1b4639_coinminer_cryptolocker_elex.exe
- Size 65KB
- Sample260712-kztekahs3v
- SHA256 5a966ec8da3d6c9eca64a5b82d913379df0128f46a623ee84aa5205c43398d95
- MD5 87427f8547559572c782152e4b1b4639
- SHA1 d52f9dad6d6be2bd3c87cb4e6d4299d97bac6915
- SHA512 17295c8ad111e948f122ff254f8c3ba5816c537ec0d509e5fb7a6f45ff047a5936493640dc92ca6f212a847721ec6fa8116a5bbf7b4c635a51e4d7c6aaf84e49
- SSDEEP 384:qubLCePtTXYLHav9NJaKCEkKH5vQbrtckstOOtEvwDpjqIGRYqoDdxtwJ:qun/VbxjgQNQXtckstOOtEvwDpjfuJ
- TLSH T13A631966ABC815B2E37767759CF7C6823527BC663D369A0C208E73058C337526862E1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4404-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0013000000016db3-13.dat CryptoLocker_rule2 behavioral2/memory/4404-19-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/620-36-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/4404-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x0013000000016db3-13.dat CryptoLocker_set1 behavioral2/memory/4404-19-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/620-36-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/4404-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x0013000000016db3-13.dat UPX behavioral2/memory/4404-19-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/620-36-0x0000000000500000-0x000000000050F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 620 asih.exe -
resource yara_rule behavioral2/memory/4404-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x0013000000016db3-13.dat upx behavioral2/memory/4404-19-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/620-36-0x0000000000500000-0x000000000050F000-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 2026-07-12_87427f8547559572c782152e4b1b4639_coinminer_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF asih.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF\Blob = 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 asih.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4404 wrote to memory of 620 4404 2026-07-12_87427f8547559572c782152e4b1b4639_coinminer_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-12_87427f8547559572c782152e4b1b4639_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-12_87427f8547559572c782152e4b1b4639_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404 -
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
- Modifies system certificate store
PID:620
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 65KB
- SHA256 82d31b1842fb271458c0187de4f265c1ae20e03e9486c1c7ba9c4e0f19d50fd7
- MD5 45ec6185fa8303414ad92f38beb33e27
- SHA1 dad88c11ea62f5fc6b90ccd98ad31daac553b648
- SHA512 6076d1446ea7567ad2bdf13ab23189ff6b81a9dc4f37655e1f428bf13cbf5790a8eb28152eacf58e87b25800d5fa7c3f8328c606961a979a99938d14a5af4aac
- SSDEEP 384:qubLCePtTXYLHav9NJaKCEkKH5vQbrtckstOOtEvwDpjqIGRYqoDdxtwhV:qun/VbxjgQNQXtckstOOtEvwDpjfuhV
- TLSH T191631966ABC815B2E377A7759DF7C6923527BC623D32990C208A73058C337526862E1F
- MD5 SHA1 SHA512 SSDEEP TLSH