Analysis
- max time kernel
83s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
08/01/2023, 01:30
General
- Target SecuriteInfo.com.Variant.Tedy.268270.23439.11373.exe
- Size 918KB
- Sample230108-bwt29aef9v
- SHA256 4c3af793b926ac4a4dfb0de4b54555730bf89dcaba5b2d6c25f6c9a4eefc0be6
Malware Config
Extracted
-
asyncrat
-
VenomRAT+HVNC+Stealer Version:5.0.9
-
Venom Clients
-
127.0.0.1:4449
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95.217.121.186:4449
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Venom_RAT_HVNC_Mutex_Venom RAT_HVNC
-
delay
1
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
- Async RAT payload 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Adds Run key to start application 2 TTPs 1 IoCs
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.268270.23439.11373.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.268270.23439.11373.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"2⤵
-
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"2⤵
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1720-132-0x000001F98CEC0000-0x000001F98CFAA000-memory.dmp
memory/1720-133-0x00007FFBFEF90000-0x00007FFBFFA51000-memory.dmp
memory/1720-136-0x00007FFBFEF90000-0x00007FFBFFA51000-memory.dmp
memory/4456-134-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4456-137-0x0000000005D00000-0x0000000005D9C000-memory.dmp
memory/4456-138-0x0000000006350000-0x00000000068F4000-memory.dmp
memory/4456-139-0x0000000005DA0000-0x0000000005E06000-memory.dmp