Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 22:24

General

  • Target

    d9fb95d2b854c32797bf85fe1a8fd62e.dll

  • Size

    188KB

  • MD5

    d9fb95d2b854c32797bf85fe1a8fd62e

  • SHA1

    ae7d6d58a7e80c3db72cf54ea2ecae25264fc33c

  • SHA256

    21c7aaa319197a02b7a925a2ce949609a04c7b578d269b6cadd78f3636e69612

  • SHA512

    4d395dcbaba6c9e8075b9edac0fe188559df01612202444c5ceef4d65ff43a85fdf64b40b253bf4454caad62577bf9575902971191afc8b1e54115a3dd3d1a8d

  • SSDEEP

    3072:yA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoOo:yzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9fb95d2b854c32797bf85fe1a8fd62e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9fb95d2b854c32797bf85fe1a8fd62e.dll,#1
      2⤵
        PID:1576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 692
          3⤵
          • Program crash
          PID:2976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1576 -ip 1576
      1⤵
        PID:3368

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1576-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp

        Filesize

        192KB

      • memory/1576-1-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

        Filesize

        24KB