Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-03-2024 21:43

General

  • Target

    b0789f03524108e4f7d75f9978c41ee2.dll

  • Size

    188KB

  • MD5

    b0789f03524108e4f7d75f9978c41ee2

  • SHA1

    d8532a3b3fff670127ec962ab778b6674fa2f488

  • SHA256

    75489d587b36cf02d3de731eeb56b57e198eea4cbee5631567e642e838d9a050

  • SHA512

    fe445d1c7172baa737bcea61bc8dc5fcd8dbf35c23a4ca8b1ef0cb8b9ed2a74ba14a485139256598696ac9ab3cf3abb04163d460b74eea892fd8cb52e7639f38

  • SSDEEP

    3072:OA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoWo:OzIqATVfQeV2FZalKq6jtGJWuTmd

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\b0789f03524108e4f7d75f9978c41ee2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0789f03524108e4f7d75f9978c41ee2.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 300
        3⤵
        • Program crash
        PID:2500

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2192-0-0x0000000074680000-0x00000000746B0000-memory.dmp

    Filesize

    192KB

  • memory/2192-1-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB