Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/05/2024, 17:19
General
- Target windefragsvc.exe
- Size 8.7MB
- Sample240508-vv6jfaeg4s
- SHA256 77e6d7aee5bef0a0ea6ab7ada94420b3ddef461bc51b0fface3a75e2eb1965e7
Malware Config
Extracted
-
asyncrat
-
Venom RAT + HVNC + Stealer + Grabber v6.0.2
-
Default
-
91.92.248.82:4343
-
mjbrqycafbygy
-
delay
11
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\windefragsvc.exe"C:\Users\Admin\AppData\Local\Temp\windefragsvc.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2620-13-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2620-1-0x0000000000CB0000-0x0000000001560000-memory.dmp
memory/2620-2-0x0000000006450000-0x00000000069F4000-memory.dmp
memory/2620-3-0x0000000005EA0000-0x0000000005F32000-memory.dmp
memory/2620-4-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2620-5-0x0000000005E40000-0x0000000005E4A000-memory.dmp
memory/2620-6-0x0000000007190000-0x0000000007316000-memory.dmp
memory/2620-8-0x0000000008830000-0x0000000008B7C000-memory.dmp
memory/2620-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp
memory/4480-9-0x0000000000400000-0x0000000000418000-memory.dmp
memory/4480-11-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4480-14-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4480-16-0x0000000006AD0000-0x0000000006B36000-memory.dmp
memory/4480-15-0x0000000006A30000-0x0000000006ACC000-memory.dmp
memory/4480-17-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4480-19-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4480-20-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/4480-21-0x0000000074EA0000-0x0000000075650000-memory.dmp