Analysis

  • max time kernel
    136s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 05:08

General

  • Target

    dfbaq8x5.dll

  • Size

    525KB

  • MD5

    eb477791471e3b4379f816cbf7bc7a56

  • SHA1

    5ec761e52521bda659646ca1bb5cad605b3a98d3

  • SHA256

    81a509915d240010326dae2581c7e584304c5a4f0f02d9ed4d9270e4193e83b1

  • SHA512

    ed5d38339d0344b664e894fba4d0321b81f472556194f00287b684aa025bcaae210efbfecaa342e83a88d0729f8219950d45f4ebb9096f98f21142b025a6209c

Score
10/10

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

169.255.216.36:443

138.201.138.91:3389

89.174.36.41:4643

87.106.89.36:3389

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfbaq8x5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfbaq8x5.dll,#1
      2⤵
        PID:5024

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5024-130-0x0000000000000000-mapping.dmp
    • memory/5024-131-0x00000000008F0000-0x000000000092D000-memory.dmp
      Filesize

      244KB

    • memory/5024-132-0x0000000002250000-0x000000000228D000-memory.dmp
      Filesize

      244KB