Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 14:45

General

  • Target

    e1ebb3411cf6b1cfc74c870fdf7a171d.dll

  • Size

    188KB

  • MD5

    e1ebb3411cf6b1cfc74c870fdf7a171d

  • SHA1

    47a328aa8dd7d5a1e2c6d82f7582a3ec00d54237

  • SHA256

    f5b707c7b6191c4b1273b6cb059314894740cd620f0cb6ae6b352c4c4783c747

  • SHA512

    e3ead96f02ff533268751aa843f560c3c58882e41617e2c14fa8bf562eeb01cacdbe3f74647175bf76b67d9063447109be3b32306c675c3185b93d1ca38ffff7

  • SSDEEP

    3072:ZA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoHo:ZzIqATVfQeV2FZalKq6jtGJWuTmd

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\e1ebb3411cf6b1cfc74c870fdf7a171d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ebb3411cf6b1cfc74c870fdf7a171d.dll,#1
      2⤵
        PID:4364
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 688
          3⤵
          • Program crash
          PID:3572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4364 -ip 4364
      1⤵
        PID:5064

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4364-0-0x00000000757E0000-0x0000000075810000-memory.dmp
        Filesize

        192KB

      • memory/4364-1-0x0000000000BE0000-0x0000000000BE6000-memory.dmp
        Filesize

        24KB