Analysis
- max time kernel
146s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
17/03/2024, 19:09
General
- Target d1a51dcc59c41b620a9481cc0e13197d.exe
- Size 1.1MB
- Sample240317-xtzevaea5v
- SHA256 51a4040b5a34697ed83cd29662b0195713257b8e64499fec53da25cc83581c91
Malware Config
Extracted
-
asyncrat
-
0.5.7B
-
Default
-
timairvpn.ddns.net:52090
-
AsyncMutex_5SI7OkPnk
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d1a51dcc59c41b620a9481cc0e13197d.exe"C:\Users\Admin\AppData\Local\Temp\d1a51dcc59c41b620a9481cc0e13197d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wSaFNEsZizDd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD457.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\d1a51dcc59c41b620a9481cc0e13197d.exe"{path}"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
d1a51dcc59c41b620a9481cc0e13197d.exe.log
tmpD457.tmp
memory/2064-23-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/2064-22-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/2064-21-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/2064-20-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/2064-16-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2084-7-0x0000000005880000-0x00000000058D6000-memory.dmp
memory/2084-6-0x0000000005740000-0x000000000574A000-memory.dmp
memory/2084-9-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/2084-10-0x0000000005980000-0x0000000005990000-memory.dmp
memory/2084-11-0x0000000006D30000-0x0000000006DAC000-memory.dmp
memory/2084-12-0x0000000006DB0000-0x0000000006DD8000-memory.dmp
memory/2084-5-0x0000000005980000-0x0000000005990000-memory.dmp
memory/2084-8-0x0000000002F60000-0x0000000002F74000-memory.dmp
memory/2084-0-0x0000000000B90000-0x0000000000CAC000-memory.dmp
memory/2084-19-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/2084-4-0x00000000057E0000-0x0000000005872000-memory.dmp
memory/2084-3-0x0000000005CF0000-0x0000000006294000-memory.dmp
memory/2084-2-0x00000000056A0000-0x000000000573C000-memory.dmp
memory/2084-1-0x0000000074930000-0x00000000750E0000-memory.dmp