Analysis
- max time kernel
135s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
04/05/2023, 14:02
General
- Target 33650cc18d2e03d1cdf58b578a3383ed130b31ed641047d3a84ac4da124bea11.exe
- Size 1.0MB
- Sample230504-rcgktach23
- SHA256 33650cc18d2e03d1cdf58b578a3383ed130b31ed641047d3a84ac4da124bea11
Malware Config
Extracted
-
asyncrat
-
0.5.7B
-
Default
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37.120.210.219:48408
-
AsyncMutex_6SI8OkPnk
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 2 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\33650cc18d2e03d1cdf58b578a3383ed130b31ed641047d3a84ac4da124bea11.exe"C:\Users\Admin\AppData\Local\Temp\33650cc18d2e03d1cdf58b578a3383ed130b31ed641047d3a84ac4da124bea11.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wscript.exe"C:\Windows\System32\wscript.exe" Update-ed.l.vbe2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\qgwp\adtaa.pif"C:\Users\Admin\AppData\Local\Temp\qgwp\adtaa.pif" xlsetqc.ppt3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"4⤵
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
DOQAJM~1.DQO
Update-ed.l.vbe
adtaa.pif
adtaa.pif
tbwh.dat
xlsetqc.ppt
memory/984-293-0x00000000011B0000-0x000000000179F000-memory.dmp
memory/984-294-0x00000000011B0000-0x00000000011C2000-memory.dmp
memory/984-295-0x0000000005D00000-0x0000000005D10000-memory.dmp
memory/984-296-0x00000000060F0000-0x000000000618C000-memory.dmp
memory/984-297-0x0000000006740000-0x0000000006CE4000-memory.dmp
memory/984-298-0x0000000006200000-0x0000000006266000-memory.dmp
memory/984-299-0x0000000005D00000-0x0000000005D10000-memory.dmp