Analysis

  • max time kernel
    90s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 21:06

General

  • Target

    b70ddd140c1faaf7141a6ea14e89ea09cce0aa145464b6fe014f58603c0d7d51.dll

  • Size

    6.4MB

  • MD5

    8cb688d3c02247a6fe544d258ca44a2f

  • SHA1

    0c95f708431ec07db2c65df5e87127d94d4d2160

  • SHA256

    b70ddd140c1faaf7141a6ea14e89ea09cce0aa145464b6fe014f58603c0d7d51

  • SHA512

    7db141769c7fb644f7d918c97fe5042fe4bf1dcf74268e9355ec038f088434e19845c4ddd6969e73037246ee812119e69b474e2e62c4185d5c296550e1492b77

  • SSDEEP

    196608:D6iYk88ric/gOJN739l3ikMWs8w6xHIVH2ut:evcriGgYNLG1j8baIC

Malware Config

Signatures

  • Detect Numando payload 1 IoCs
  • Numando

    Numando is a banking trojan/backdoor targeting Latin America which uses Youtube and Pastebin for C2 communications.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b70ddd140c1faaf7141a6ea14e89ea09cce0aa145464b6fe014f58603c0d7d51.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b70ddd140c1faaf7141a6ea14e89ea09cce0aa145464b6fe014f58603c0d7d51.dll,#1
      2⤵
        PID:3044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 696
          3⤵
          • Program crash
          PID:524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3044 -ip 3044
      1⤵
        PID:4288

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3044-133-0x0000000001EE0000-0x00000000028BB000-memory.dmp

        Filesize

        9.9MB

      • memory/3044-134-0x0000000001EE0000-0x00000000028BB000-memory.dmp

        Filesize

        9.9MB

      • memory/3044-135-0x0000000001EE0000-0x00000000028BB000-memory.dmp

        Filesize

        9.9MB