Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 03:39

General

  • Target

    b120b488d9e15ba792f7e4b43c3cf767.dll

  • Size

    188KB

  • MD5

    b120b488d9e15ba792f7e4b43c3cf767

  • SHA1

    4e780cd86890ac94492dd9bc95a82f5e77e611da

  • SHA256

    d8d318abb4daca458340003558695f4fe7a340393e14391e498ce3151d7e5c50

  • SHA512

    b684773ed03a9cbac733b325e476dfae76ca70e1ecfce3b7774531f21494d2db7283f9dbb8719990bb91c1f7a67af2ffe2429b30845507599730b6737accc895

  • SSDEEP

    3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo: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 2 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\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 308
        3⤵
        • Program crash
        PID:2944

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2200-0-0x00000000750A0000-0x00000000750D0000-memory.dmp

    Filesize

    192KB

  • memory/2200-1-0x00000000001A0000-0x00000000001A6000-memory.dmp

    Filesize

    24KB

  • memory/2200-2-0x00000000750A0000-0x00000000750D0000-memory.dmp

    Filesize

    192KB