Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
22/04/2026, 12:44
General
- Target 2026-04-22_a76e8e1fdaae703475a073873bf6f8f1_amadey_cobalt-strike_coinminer_hijackloader_satacom_vidar_wannacry.exe
- Size 1.8MB
- Sample260422-pyf53afv6m
- SHA256 e64983602ed4675e261190d37c558b43bf42aa67b4d90fa7cf24bd0be7672c24
Score
9/10
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 1 IoCs
- 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\2026-04-22_a76e8e1fdaae703475a073873bf6f8f1_amadey_cobalt-strike_coinminer_hijackloader_satacom_vidar_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_a76e8e1fdaae703475a073873bf6f8f1_amadey_cobalt-strike_coinminer_hijackloader_satacom_vidar_wannacry.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\WELEB3B.tmp2⤵
- Opens file in notepad (likely ransom note)
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
vcredist_x86.exe
WELEB3B.tmp
memory/3296-41-0x0000026959500000-0x00000269595AC000-memory.dmp
memory/3528-42-0x00000285D7D00000-0x00000285D7DAC000-memory.dmp
memory/3528-54-0x00000285D7D00000-0x00000285D7DAC000-memory.dmp