Analysis

  • max time kernel
    161s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2024, 03:48

General

  • Target
    33b845f4977885ba03d8de6bc260847dd0ec6dc9489a2da3071701b160a1ddec.exe
  • Size 331KB
  • Sample240108-ec8cbaaehj
  • SHA256 33b845f4977885ba03d8de6bc260847dd0ec6dc9489a2da3071701b160a1ddec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Botnet
  • Default

C2
  • 127.0.0.1:6606

  • 127.0.0.1:7707

  • 127.0.0.1:8808

  • https://api.telegram.org/bot6342313307:AAFKd4P2Qn-FrHlxYQr9imHCnOVc5Cl4eMI/sendMessage?chat_id=1059970907

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Detect ZGRat V1 1 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 3 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Async RAT payload 3 IoCs
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33b845f4977885ba03d8de6bc260847dd0ec6dc9489a2da3071701b160a1ddec.exe
    "C:\Users\Admin\AppData\Local\Temp\33b845f4977885ba03d8de6bc260847dd0ec6dc9489a2da3071701b160a1ddec.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\POWERSHELL.exe
      "POWERSHELL" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4344

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ModuleAnalysisCache

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
        • Size 53KB
        • SHA256 de17cae3cb5db5c2b10102a823efa54598d78b5975ce4dafafd2199fc3827238
        • MD5 SHA1 SHA512 SSDEEP

        WindowsCache124526tgc842aze.bin

        • Path C:\Users\Admin\AppData\Local\Temp\WindowsCache124526tgc842aze.bin
        • Size 200KB
        • SHA256 ad509abc496eb34e6f54317914438a1062eccff792219bec31ee14e0c4fcc204
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_mlgzcv22.4qv.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mlgzcv22.4qv.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/912-99-0x00000000082A0000-0x00000000082D0000-memory.dmp

        memory/912-80-0x00000000096A0000-0x00000000096B1000-memory.dmp

        memory/912-100-0x00000000050F0000-0x0000000005100000-memory.dmp

        memory/912-76-0x0000000009650000-0x000000000965A000-memory.dmp

        memory/912-98-0x0000000005750000-0x0000000005783000-memory.dmp

        memory/912-4-0x00000000050F0000-0x0000000005100000-memory.dmp

        memory/912-96-0x00000000050F0000-0x0000000005100000-memory.dmp

        memory/912-95-0x00000000050F0000-0x0000000005100000-memory.dmp

        memory/912-3-0x00000000747A0000-0x0000000074F50000-memory.dmp

        memory/912-2-0x00000000050F0000-0x0000000005100000-memory.dmp

        memory/912-1-0x0000000000670000-0x00000000006CA000-memory.dmp

        memory/912-85-0x0000000009DE0000-0x0000000009DFA000-memory.dmp

        memory/912-84-0x0000000009660000-0x000000000966E000-memory.dmp

        memory/912-101-0x00000000050F0000-0x0000000005100000-memory.dmp

        memory/912-43-0x0000000005D80000-0x0000000005D9A000-memory.dmp

        memory/912-44-0x0000000006C70000-0x00000000072EA000-memory.dmp

        memory/912-45-0x0000000005EC0000-0x0000000005F56000-memory.dmp

        memory/912-79-0x00000000FF2C0000-0x00000000FF2D0000-memory.dmp

        memory/912-47-0x0000000005E50000-0x0000000005E72000-memory.dmp

        memory/912-48-0x00000000078A0000-0x0000000007E44000-memory.dmp

        memory/912-49-0x00000000066D0000-0x000000000671A000-memory.dmp

        memory/912-0-0x00000000747A0000-0x0000000074F50000-memory.dmp

        memory/912-51-0x00000000FF2C0000-0x00000000FF2D0000-memory.dmp

        memory/912-78-0x00000000050F0000-0x0000000005100000-memory.dmp

        memory/912-62-0x0000000008FD0000-0x0000000008FEE000-memory.dmp

        memory/4344-50-0x00000000053B0000-0x00000000053C0000-memory.dmp

        memory/4344-64-0x0000000070210000-0x000000007025C000-memory.dmp

        memory/4344-75-0x00000000076F0000-0x0000000007793000-memory.dmp

        memory/4344-63-0x0000000006CA0000-0x0000000006CD2000-memory.dmp

        memory/4344-77-0x00000000053B0000-0x00000000053C0000-memory.dmp

        memory/4344-61-0x000000007F920000-0x000000007F930000-memory.dmp

        memory/4344-46-0x00000000053B0000-0x00000000053C0000-memory.dmp

        memory/4344-34-0x00000000053B0000-0x00000000053C0000-memory.dmp

        memory/4344-81-0x000000007F920000-0x000000007F930000-memory.dmp

        memory/4344-82-0x0000000001080000-0x000000000108E000-memory.dmp

        memory/4344-83-0x0000000007C10000-0x0000000007C24000-memory.dmp

        memory/4344-27-0x0000000006750000-0x000000000679C000-memory.dmp

        memory/4344-26-0x00000000747A0000-0x0000000074F50000-memory.dmp

        memory/4344-86-0x0000000007C50000-0x0000000007C6A000-memory.dmp

        memory/4344-87-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

        memory/4344-25-0x0000000006680000-0x000000000669E000-memory.dmp

        memory/4344-17-0x00000000060B0000-0x0000000006404000-memory.dmp

        memory/4344-94-0x00000000747A0000-0x0000000074F50000-memory.dmp

        memory/4344-11-0x00000000057F0000-0x0000000005856000-memory.dmp

        memory/4344-10-0x0000000005780000-0x00000000057E6000-memory.dmp

        memory/4344-9-0x00000000056E0000-0x0000000005702000-memory.dmp

        memory/4344-8-0x00000000059F0000-0x0000000006018000-memory.dmp

        memory/4344-7-0x0000000002D50000-0x0000000002D86000-memory.dmp

        memory/4344-6-0x00000000053B0000-0x00000000053C0000-memory.dmp

        memory/4344-5-0x00000000747A0000-0x0000000074F50000-memory.dmp