Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
20/04/2026, 14:29
General
- Target 2026-04-20_cbe98517d5f31efc5941fd351b2b53ef_agent-tesla_amadey_cobalt-strike_coinminer_cryptbot_dark.exe
- Size 7.8MB
- Sample260420-rtkc2ac17k
- SHA256 5c454ec9793029b242d3f8a02a72a46fb8e3f0a63d73f96bb172152559a8ea30
Score
9/10
Malware Config
Signatures
- Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
- 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.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Drops file in Program Files directory 1 IoCs
- 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\2026-04-20_cbe98517d5f31efc5941fd351b2b53ef_agent-tesla_amadey_cobalt-strike_coinminer_cryptbot_dark.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-20_cbe98517d5f31efc5941fd351b2b53ef_agent-tesla_amadey_cobalt-strike_coinminer_cryptbot_dark.exe"1⤵
- Drops file in Program Files directory
- 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\WELFE84.tmp2⤵
- Opens file in notepad (likely ransom note)
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
vcredist_x86.exe
WELFE84.tmp
memory/3492-43-0x0000017D46240000-0x0000017D462EF000-memory.dmp
memory/4768-42-0x000001F4A2150000-0x000001F4A21FF000-memory.dmp