Analysis
- max time kernel
94s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
07/07/2022, 07:29
General
- Target 20220707_Product_Specification.scr
- Size 970KB
- Sample220707-ja8mhshcf3
- SHA256 c437dbafafccbb0b5eb90668b53eb36f20466c81879cb341e52b7c4a8ba9fcc4
Malware Config
Signatures
- WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
- Warzone RAT Payload 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 6 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\20220707_Product_Specification.scr"C:\Users\Admin\AppData\Local\Temp\20220707_Product_Specification.scr" /S1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BezWfa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC796.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\20220707_Product_Specification.scr"{path}"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\20220707_Product_Specification.scr"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\20220707_Product_Specification.scr"{path}"2⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
freebl3.dll
mozglue.dll
msvcp140.dll
nss3.dll
softokn3.dll
tmpC796.tmp
vcruntime140.dll
memory/2716-145-0x000000000BA20000-0x000000000BAA4000-memory.dmp
memory/2716-152-0x0000000000400000-0x0000000000559000-memory.dmp
memory/2716-142-0x0000000000400000-0x0000000000559000-memory.dmp
memory/2716-143-0x0000000000400000-0x0000000000559000-memory.dmp
memory/2716-144-0x000000000B3D0000-0x000000000B570000-memory.dmp
memory/2716-140-0x0000000000400000-0x0000000000559000-memory.dmp
memory/2716-153-0x000000000BA20000-0x000000000BAA4000-memory.dmp
memory/4628-130-0x0000000000BE0000-0x0000000000CDA000-memory.dmp
memory/4628-132-0x00000000056B0000-0x0000000005742000-memory.dmp
memory/4628-131-0x0000000005C60000-0x0000000006204000-memory.dmp
memory/4628-133-0x0000000005750000-0x00000000057EC000-memory.dmp
memory/4628-134-0x0000000005B60000-0x0000000005B6A000-memory.dmp