Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 09:18

General

  • Target

    f32b8e2a0f1250e1959bff6fa3f4d4a7_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    f32b8e2a0f1250e1959bff6fa3f4d4a7

  • SHA1

    a3a279aa6a2316b0744157dab178d3dcb6fc0617

  • SHA256

    8b15d379b7de3dd755b3d09e999068603e58eca8df8325d79ead723e0605a63c

  • SHA512

    e1d02fd4fe4ab6e9020cd90fbffa3452f63fc145161950c67a4e246776d406286d049d6be2f16480c8bbe81643f8ea42930e89825610084e2b9e71554d18baf3

  • SSDEEP

    3072:aA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo1o:azIqATVfQeV2FZalKq6jtGJWuTmd

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f32b8e2a0f1250e1959bff6fa3f4d4a7_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f32b8e2a0f1250e1959bff6fa3f4d4a7_JaffaCakes118.dll,#1
      2⤵
        PID:4344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 692
          3⤵
          • Program crash
          PID:2872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4344 -ip 4344
      1⤵
        PID:2160

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4344-0-0x0000000074E30000-0x0000000074E60000-memory.dmp
        Filesize

        192KB

      • memory/4344-1-0x0000000001360000-0x0000000001366000-memory.dmp
        Filesize

        24KB