Analysis

  • max time kernel
    95s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2024 07:10

General

  • Target

    5f46c6671fc0a4ce2a8f62148ba76b93.dll

  • Size

    1.1MB

  • MD5

    5f46c6671fc0a4ce2a8f62148ba76b93

  • SHA1

    a5a06318aa4d36026ad7e8e242a0cb1ea425cae4

  • SHA256

    923cb78fac0f3473f15afabfbccf42bcfa54a80cfd4ca02a36d0516eceea459d

  • SHA512

    874c6e047f2b19c77d41fbeda2196a14596cb6ba031ecc744e65f9893de2011626c1e1bd9d74cb79ad36b22018a687f7da2dcbac6cf47ae18934b04705a117e6

  • SSDEEP

    24576:viHKy2FieN5CpRni2lpV0ihzjcMf18OI3RSe:vOKy2FieN5CpRdBzjcMf6OI3

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\5f46c6671fc0a4ce2a8f62148ba76b93.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f46c6671fc0a4ce2a8f62148ba76b93.dll,#1
      2⤵
        PID:1944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 704
          3⤵
          • Program crash
          PID:5548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1944 -ip 1944
      1⤵
        PID:4356

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1944-0-0x00000000021E0000-0x00000000025D8000-memory.dmp

        Filesize

        4.0MB

      • memory/1944-1-0x00000000021E0000-0x00000000025D8000-memory.dmp

        Filesize

        4.0MB

      • memory/1944-2-0x00000000021E0000-0x00000000025D8000-memory.dmp

        Filesize

        4.0MB