Resubmissions

23/01/2024, 08:52

240123-ksq1vsghcq 10

23/01/2024, 02:33

240123-c1vd9afadn 10

Analysis

  • max time kernel
    137s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 02:33

General

  • Target

    01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe

  • Size

    48KB

  • MD5

    1f58a5ef877adab164e528929729d3b0

  • SHA1

    d1aa7ed83011d8b5c72c875f0e30ccc31d6c245d

  • SHA256

    01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639

  • SHA512

    f7698c86454d034460946effb224c2922806b5c39686ef9817befecb033f72a9d03f400baaa69516396756e80ebfc63f7ed8f1b60eaf5f4702c4ccfc964ae03d

  • SSDEEP

    768:8ukLVT0kLd3WULgPdVmo2qDGEZIdeNxsMxPIjqoQcyL0bE0LwylVdTNztVftBDZ1:8ukLVT0Mq12+GeDzujq0yAbE0dlPTN5Z

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:8080

20.98.203.218:8080

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Axenta.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe
    "C:\Users\Admin\AppData\Local\Temp\01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Axenta" /tr '"C:\Users\Admin\AppData\Roaming\Axenta.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Axenta" /tr '"C:\Users\Admin\AppData\Roaming\Axenta.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:2628
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2961.tmp.bat""
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1260
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2644
      • C:\Users\Admin\AppData\Roaming\Axenta.exe
        "C:\Users\Admin\AppData\Roaming\Axenta.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2268

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp2961.tmp.bat

          Filesize

          150B

          MD5

          ccdbda6c146a55e7bd487c0086097773

          SHA1

          dc186d572413360e81a88ac5dac03f1962438622

          SHA256

          6fbbd04203909c50c5ffda444f62344b0f96aa43a51caca7d2d9920909a3eb24

          SHA512

          1e0595f5f94caf324adaf2a4f943ba9fae4cf3a325fc59c64cc0b72ecb53be9b2dd93ceff399147546b9fab21928f651f7f789214c76bd91674794945e22a2bf

        • \Users\Admin\AppData\Roaming\Axenta.exe

          Filesize

          48KB

          MD5

          1f58a5ef877adab164e528929729d3b0

          SHA1

          d1aa7ed83011d8b5c72c875f0e30ccc31d6c245d

          SHA256

          01ba5474eb258af7537da60d65d652a9f6acd92c7f0799db01356261f019c639

          SHA512

          f7698c86454d034460946effb224c2922806b5c39686ef9817befecb033f72a9d03f400baaa69516396756e80ebfc63f7ed8f1b60eaf5f4702c4ccfc964ae03d

        • memory/1996-0-0x0000000001270000-0x0000000001282000-memory.dmp

          Filesize

          72KB

        • memory/1996-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

          Filesize

          6.9MB

        • memory/1996-2-0x0000000001170000-0x00000000011B0000-memory.dmp

          Filesize

          256KB

        • memory/1996-12-0x0000000074C10000-0x00000000752FE000-memory.dmp

          Filesize

          6.9MB

        • memory/2268-16-0x0000000000F40000-0x0000000000F52000-memory.dmp

          Filesize

          72KB

        • memory/2268-17-0x0000000074520000-0x0000000074C0E000-memory.dmp

          Filesize

          6.9MB

        • memory/2268-18-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

          Filesize

          256KB

        • memory/2268-19-0x0000000074520000-0x0000000074C0E000-memory.dmp

          Filesize

          6.9MB