Analysis
- max time kernel
149s - max time network
96s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 03:44
General
- Target 2026-04-17_6dc311d818c81c06fed08b7b34a79ab0_cobalt-strike_coinminer_hijackloader_redline-stealer_rha.exe
- Size 4.7MB
- Sample260417-eaz8xsev9k
- SHA256 6aeb577e7dfe2d90e84b0ea03b47b084a94510d0950a95a9c3da3fbfb3bb5f41
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in Windows directory 9 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Opens file in notepad (likely ransom note) 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-17_6dc311d818c81c06fed08b7b34a79ab0_cobalt-strike_coinminer_hijackloader_redline-stealer_rha.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_6dc311d818c81c06fed08b7b34a79ab0_cobalt-strike_coinminer_hijackloader_redline-stealer_rha.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL391C.tmp2⤵
- Opens file in notepad (likely ransom note)
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
vcredist_x86.exe
WEL391C.tmp
memory/4560-41-0x00000234A0D60000-0x00000234A0E4A000-memory.dmp
memory/5100-42-0x00000259B5800000-0x00000259B58EA000-memory.dmp
memory/5100-44-0x00000259B5800000-0x00000259B58EA000-memory.dmp