Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 10:55

General

  • Target

    e4c1132365fa744a4d81c171145015a7_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    e4c1132365fa744a4d81c171145015a7

  • SHA1

    33202325f1c19c485ec880daaa01b7d43283a043

  • SHA256

    de19e11ad2fe7b2a49a71d46ed6df511a2d6ace19a579d7cc7febdbbd5905e21

  • SHA512

    9bf604e8c578ae3ce9f88fc507d9cedcd7dfa371378496cd1441d04566912ae8c046a3daa83db4647c36a6bcfa9f32ef130ad4dff845d8e9e83f2d4a603ab80c

  • SSDEEP

    3072:Lhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JfVQcY:L3fOeIv54W6SFKfc9me9v9/JfV

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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\e4c1132365fa744a4d81c171145015a7_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c1132365fa744a4d81c171145015a7_JaffaCakes118.dll,#1
      2⤵
        PID:1344
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 668
          3⤵
          • Program crash
          PID:3964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1344 -ip 1344
      1⤵
        PID:3444

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1344-0-0x0000000001600000-0x0000000001606000-memory.dmp
        Filesize

        24KB

      • memory/1344-1-0x0000000074CA0000-0x0000000074CD0000-memory.dmp
        Filesize

        192KB

      • memory/1344-5-0x0000000001600000-0x0000000001606000-memory.dmp
        Filesize

        24KB