Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    01-03-2024 03:31

General

  • Target

    b0363548f65b9b7c35cf38968ab57af8.dll

  • Size

    188KB

  • MD5

    b0363548f65b9b7c35cf38968ab57af8

  • SHA1

    78bfd82a10e8309d40d42ff80a4b38ff56d77653

  • SHA256

    e03d71dc401de3b93911ab13fa1a2f78a06a7c2a0086e1bbd5b1e244b801cdef

  • SHA512

    6269d591615dd758f8f81c10cfafffe2986f38aefd28d9309aca22e4008bfe6884e724a161c095388118e12e45448c49f7a08a1c47203408a875d9d9ccff866e

  • SSDEEP

    3072:fA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo0o:fzIqATVfQeV2FZalKq6jtGJWuTmd

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0363548f65b9b7c35cf38968ab57af8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0363548f65b9b7c35cf38968ab57af8.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 300
        3⤵
        • Program crash
        PID:2504

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2232-0-0x0000000074AA0000-0x0000000074AD0000-memory.dmp

    Filesize

    192KB

  • memory/2232-1-0x0000000000A90000-0x0000000000A96000-memory.dmp

    Filesize

    24KB