Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
19/04/2026, 23:20
General
- Target 2026-04-19_8c5b21d821857097fc61b00260548245_amadey_cobalt-strike_coinminer_darkgate_hellokitty_hijac.exe
- Size 2.3MB
- Sample260419-3bjvbscv6j
- SHA256 371aa57db165e0c80deaf7a477983d871eaf8147baf8e28ed6c54595ab4feb22
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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\2026-04-19_8c5b21d821857097fc61b00260548245_amadey_cobalt-strike_coinminer_darkgate_hellokitty_hijac.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-19_8c5b21d821857097fc61b00260548245_amadey_cobalt-strike_coinminer_darkgate_hellokitty_hijac.exe"1⤵
- Checks computer location settings
- 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\WELF5.tmp2⤵
- Opens file in notepad (likely ransom note)
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
vcredist_x86.exe
WELF5.tmp
memory/3244-43-0x0000019080260000-0x00000190805B5000-memory.dmp
memory/3244-49-0x0000019080260000-0x00000190805B5000-memory.dmp
memory/3244-55-0x0000019080260000-0x00000190805B5000-memory.dmp
memory/4744-42-0x000002971D9F0000-0x000002971DD45000-memory.dmp