Analysis

  • max time kernel
    122s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 11:56

General

  • Target

    INQUIRYs#37567JAN2024NEWORDERMATERIALSPRODs.e.exe

  • Size

    542KB

  • MD5

    0b97309812b9b2941e5512e12095960e

  • SHA1

    8fc625372ccea9b23c3c3585e1a86a06479eb630

  • SHA256

    1714faef50d0127645ce3540480623cf619f9b10c0364c67ca22db0f604e2381

  • SHA512

    8f0568c9cea86cd33c089ec6f9f32581563d03edbc5ab9a82fd83b81c57ecd4556248a58d40dd315732187a213218a5a4e0af458aec0bde4a6b647b906dfa65b

  • SSDEEP

    12288:eP7R2iNPBJI3AZp/UurrtqinZfTLatVX2wGlY:MV1xuAPH3A6natVX2wG

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

72.11.158.94:8808

Mutex

9Qbxs7iA1JpF

Attributes
  • delay

    3

  • install

    true

  • install_file

    vidextra.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRYs#37567JAN2024NEWORDERMATERIALSPRODs.e.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRYs#37567JAN2024NEWORDERMATERIALSPRODs.e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\INQUIRYs#37567JAN2024NEWORDERMATERIALSPRODs.e.exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRYs#37567JAN2024NEWORDERMATERIALSPRODs.e.exe"
      2⤵
        PID:2588
      • C:\Users\Admin\AppData\Local\Temp\INQUIRYs#37567JAN2024NEWORDERMATERIALSPRODs.e.exe
        "C:\Users\Admin\AppData\Local\Temp\INQUIRYs#37567JAN2024NEWORDERMATERIALSPRODs.e.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vidextra" /tr '"C:\Users\Admin\AppData\Roaming\vidextra.exe"' & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2484
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "vidextra" /tr '"C:\Users\Admin\AppData\Roaming\vidextra.exe"'
            4⤵
            • Creates scheduled task(s)
            PID:2508
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp787A.tmp.bat""
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2684
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            4⤵
            • Delays execution with timeout.exe
            PID:2532
          • C:\Users\Admin\AppData\Roaming\vidextra.exe
            "C:\Users\Admin\AppData\Roaming\vidextra.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1904
            • C:\Users\Admin\AppData\Roaming\vidextra.exe
              "C:\Users\Admin\AppData\Roaming\vidextra.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:1300

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp787A.tmp.bat

            Filesize

            152B

            MD5

            e0d4a149ec0d7b59ca97df8c124a0dc8

            SHA1

            a381555dfd37ee2d4c7593526e136b46c071a178

            SHA256

            4cbe4076d02d15459c66a97c8dddd68caa266ce722a63f3cbf19ae65f1692921

            SHA512

            b03631dc4b3c52ca0d97ec553cfddd405585780fc04a0374a10993240f776a71aa9ffb6014512c6429d4d701f08e2aff97e1b7fee3e44ec4cb00ed063159f3da

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

            Filesize

            542KB

            MD5

            0b97309812b9b2941e5512e12095960e

            SHA1

            8fc625372ccea9b23c3c3585e1a86a06479eb630

            SHA256

            1714faef50d0127645ce3540480623cf619f9b10c0364c67ca22db0f604e2381

            SHA512

            8f0568c9cea86cd33c089ec6f9f32581563d03edbc5ab9a82fd83b81c57ecd4556248a58d40dd315732187a213218a5a4e0af458aec0bde4a6b647b906dfa65b

          • memory/1300-71-0x0000000074450000-0x0000000074B3E000-memory.dmp

            Filesize

            6.9MB

          • memory/1300-58-0x0000000074450000-0x0000000074B3E000-memory.dmp

            Filesize

            6.9MB

          • memory/1300-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1300-54-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1300-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/1904-56-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1904-43-0x0000000004D50000-0x0000000004D90000-memory.dmp

            Filesize

            256KB

          • memory/1904-42-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1904-41-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1904-40-0x00000000001A0000-0x000000000022C000-memory.dmp

            Filesize

            560KB

          • memory/2088-8-0x0000000004D70000-0x0000000004DB0000-memory.dmp

            Filesize

            256KB

          • memory/2088-5-0x0000000000610000-0x000000000061C000-memory.dmp

            Filesize

            48KB

          • memory/2088-1-0x0000000074520000-0x0000000074C0E000-memory.dmp

            Filesize

            6.9MB

          • memory/2088-2-0x0000000004D70000-0x0000000004DB0000-memory.dmp

            Filesize

            256KB

          • memory/2088-3-0x0000000000590000-0x00000000005A8000-memory.dmp

            Filesize

            96KB

          • memory/2088-4-0x00000000005C0000-0x00000000005C8000-memory.dmp

            Filesize

            32KB

          • memory/2088-24-0x0000000074520000-0x0000000074C0E000-memory.dmp

            Filesize

            6.9MB

          • memory/2088-6-0x0000000004D10000-0x0000000004D5C000-memory.dmp

            Filesize

            304KB

          • memory/2088-7-0x0000000074520000-0x0000000074C0E000-memory.dmp

            Filesize

            6.9MB

          • memory/2088-0-0x0000000000B20000-0x0000000000BAC000-memory.dmp

            Filesize

            560KB

          • memory/2660-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-36-0x0000000074520000-0x0000000074C0E000-memory.dmp

            Filesize

            6.9MB

          • memory/2660-15-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-26-0x0000000004D50000-0x0000000004D90000-memory.dmp

            Filesize

            256KB

          • memory/2660-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2660-25-0x0000000074520000-0x0000000074C0E000-memory.dmp

            Filesize

            6.9MB

          • memory/2660-21-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-23-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-19-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB