Analysis

  • max time kernel
    136s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 11:00

General

  • Target

    ff20f66b5981b6164994970085ee4862_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    ff20f66b5981b6164994970085ee4862

  • SHA1

    e5f4e9fd61e6688c2c631edafdedda27d7660071

  • SHA256

    2feb229fb38b3e561bb540ad65e4352b31091bc053c068faee55c46623e33f57

  • SHA512

    7e5df674b9df6d1089f7694b07b6b0b58f4b7c021e8ba18fc167a940b9617e5a1479204c2686295969ce9350476481f14652cb4242596cf908d6b4f3e28da4c9

  • SSDEEP

    3072:XA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo2o:XzIqATVfQeV2FZalKq6jtGJWuTmd

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\ff20f66b5981b6164994970085ee4862_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff20f66b5981b6164994970085ee4862_JaffaCakes118.dll,#1
      2⤵
        PID:1244
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 696
          3⤵
          • Program crash
          PID:3644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1244 -ip 1244
      1⤵
        PID:2800

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1244-0-0x0000000075160000-0x0000000075190000-memory.dmp
        Filesize

        192KB

      • memory/1244-1-0x0000000001530000-0x0000000001536000-memory.dmp
        Filesize

        24KB