Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-03-2024 02:18

General

  • Target

    b013ab90ee5a6497548044065ce6357d.dll

  • Size

    188KB

  • MD5

    b013ab90ee5a6497548044065ce6357d

  • SHA1

    bfd8fb8f307e48bc37e5765fbb944d8c947f731a

  • SHA256

    bc3ae0b6d5f1eabe5e3a631830562af26ea4f60cb6f0d12fc8f2b50a33d709ac

  • SHA512

    6b5712a9586742501c7541ca779414e76d9ea6e7e403116d7ce3c5eece3b01e42c07d62f0a0f5b1f8ec8e9fa76905900154588c770864923ba4046f0b9d805a8

  • SSDEEP

    3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoTo: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 2 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\b013ab90ee5a6497548044065ce6357d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b013ab90ee5a6497548044065ce6357d.dll,#1
      2⤵
        PID:932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 688
          3⤵
          • Program crash
          PID:1764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 932 -ip 932
      1⤵
        PID:512

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/932-0-0x0000000001500000-0x0000000001506000-memory.dmp

        Filesize

        24KB

      • memory/932-1-0x0000000075270000-0x00000000752A0000-memory.dmp

        Filesize

        192KB

      • memory/932-2-0x0000000075270000-0x00000000752A0000-memory.dmp

        Filesize

        192KB