Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 02:58
Behavioral task
behavioral1
Sample
2026-07-20_758178b081e9c5bd793d6568f2d20e5c_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-07-20_758178b081e9c5bd793d6568f2d20e5c_coinminer_cryptolocker_elex.exe
- Size 71KB
- Sample260720-dgpkbsds9l
- SHA256 20a1ee9531bf5ac3fa4d56941f50beddb12c05a5c9440ade6183be32d980038c
- MD5 758178b081e9c5bd793d6568f2d20e5c
- SHA1 ceb295c0edc480a72ed1471aee0bbcf82140855c
- SHA512 a7ec12dbdc518232b0bb1d41f46d5eb3e1f40ac96a51ca4606e40d9e8ea308820d722bca7d9b494f7b3cc14c0b3ad7e23554bdbdf76a4eea67ae8e70baeba752
- SSDEEP 1536:76QFElP6n+gKmddpMOtEvwDpj9aYaFAeG/Y8y:76a+CdOOtEvwDpjQ9d
- TLSH T1146340396FD51A72E3B7CAB585F681C3B936B8233822990D50CE17414C33B56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/4428-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4428-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b00000001136a-14.dat CryptoLocker_rule2 behavioral2/memory/1772-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1772-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/4428-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4428-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000b00000001136a-14.dat CryptoLocker_set1 behavioral2/memory/1772-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/1772-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/4428-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/4428-3-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/files/0x000b00000001136a-14.dat UPX behavioral2/memory/1772-19-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/1772-27-0x0000000000500000-0x0000000000510000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1772 asih.exe -
resource yara_rule behavioral2/memory/4428-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4428-3-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000b00000001136a-14.dat upx behavioral2/memory/1772-19-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/1772-27-0x0000000000500000-0x0000000000510000-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 2026-07-20_758178b081e9c5bd793d6568f2d20e5c_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 4428 wrote to memory of 1772 4428 2026-07-20_758178b081e9c5bd793d6568f2d20e5c_coinminer_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-20_758178b081e9c5bd793d6568f2d20e5c_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_758178b081e9c5bd793d6568f2d20e5c_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4428 -
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:1772
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 71KB
- SHA256 70d69adee543da94c46ccb5e0b3b060bf3eb01f067a86bc54340ba9ee73e35a9
- MD5 2237b5c43a6e3c0e4897c3200985ade1
- SHA1 3a14b0c60836efbbfe82e9a519c09ec40d10a2c3
- SHA512 d564bc317045652209bf8577922db5cfa066b811e2bd3d3a8aac907614f08b8eb42205c41e1ccee29e2907e25312fd05f46fc6e7d5afebe820037d8c3d473cac
- SSDEEP 1536:76QFElP6n+gKmddpMOtEvwDpj9aYaFAeG/Y8k:76a+CdOOtEvwDpjQ9X
- TLSH T1246340396FD51A72E3B7CAB585F681C3B936B8223822990D50CE17414C33F56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH