Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/03/2024, 08:08
General
- Target 2ad2440c0535afb4e46a1ae64e2a42bef946e4a55de6c8ab17e38aa722a7071d.exe
- Size 3.1MB
- Sample240309-j1vtcaeb23
- SHA256 2ad2440c0535afb4e46a1ae64e2a42bef946e4a55de6c8ab17e38aa722a7071d
Malware Config
Extracted
-
asyncrat
-
Default
-
1.err.line.pm:4449
-
glzznzesxsoyn
-
delay
1
-
install
false
-
install_folder
%AppData%
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 37 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 16 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ad2440c0535afb4e46a1ae64e2a42bef946e4a55de6c8ab17e38aa722a7071d.exe"C:\Users\Admin\AppData\Local\Temp\2ad2440c0535afb4e46a1ae64e2a42bef946e4a55de6c8ab17e38aa722a7071d.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\cmd.execmd.exe /c set2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\~8320896108481397729~\sg.tmp7zG_exe x "C:\Users\Admin\AppData\Local\Temp\2ad2440c0535afb4e46a1ae64e2a42bef946e4a55de6c8ab17e38aa722a7071d.exe" -y -aos -o"C:\Users\Admin\AppData\Local\Temp\~2821562402402667759"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\~2821562402402667759\svchost.exe"C:\Users\Admin\AppData\Local\Temp\~2821562402402667759\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Office.txt
msedge_elf.dll
svchost.exe
sg.tmp
memory/3148-13070-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3148-13093-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3148-13071-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3148-13072-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3148-13073-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3148-13069-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3148-5884-0x0000000076280000-0x00000000762FA000-memory.dmp
memory/3148-3875-0x0000000077360000-0x0000000077500000-memory.dmp
memory/3148-1-0x0000000076DE0000-0x0000000076FF5000-memory.dmp
memory/3148-0-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3148-13102-0x0000000000400000-0x0000000000683000-memory.dmp
memory/3960-13096-0x0000000074030000-0x00000000747E0000-memory.dmp
memory/3960-13095-0x0000000005CD0000-0x0000000005CE8000-memory.dmp
memory/3960-13097-0x00000000065B0000-0x0000000006B54000-memory.dmp
memory/3960-13100-0x00000000062F0000-0x0000000006382000-memory.dmp
memory/3960-13099-0x0000000077EB1000-0x0000000077EB2000-memory.dmp
memory/3960-13101-0x00000000062C0000-0x00000000062CA000-memory.dmp
memory/3960-13094-0x0000000003190000-0x00000000031AC000-memory.dmp
memory/3960-13104-0x0000000074030000-0x00000000747E0000-memory.dmp