Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    01-03-2024 01:09

General

  • Target

    aff178ec6f6a0acec1ffc0e90649e5eb.dll

  • Size

    188KB

  • MD5

    aff178ec6f6a0acec1ffc0e90649e5eb

  • SHA1

    e52ac2c12589f68e58419faa13e1c707ab7420b3

  • SHA256

    fbc91648d1624752f379cba89c1a99e7377391ef8e6e1eafa41d81f3aaa8bd9a

  • SHA512

    dff3798ae09d457891f3d14b9fb2f5fff5d0a9a1c5879b71fcf41e26355aa27d14a689a00e970466466a628a74eed2113fbba8d99c953cb4742658a8aa9b4bc4

  • SSDEEP

    3072:dA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoVo:dzIqATVfQeV2FZalKq6jtGJWuTmd

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\aff178ec6f6a0acec1ffc0e90649e5eb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\aff178ec6f6a0acec1ffc0e90649e5eb.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 300
        3⤵
        • Program crash
        PID:2916

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1292-0-0x0000000074F50000-0x0000000074F80000-memory.dmp

    Filesize

    192KB

  • memory/1292-1-0x0000000000120000-0x0000000000126000-memory.dmp

    Filesize

    24KB