Analysis

  • max time kernel
    150s
  • 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
    18-04-2024 08:26

General

  • Target

    f7a0b917342921dc58e646bd4a12291b_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    f7a0b917342921dc58e646bd4a12291b

  • SHA1

    4b8488c05f613c928abd7e2496e78f9777a5ff07

  • SHA256

    894ae61b8c1f5a66694abd7564ac40c009482ba8cf6c45b4270a6bef5409a24f

  • SHA512

    022661f9d80c26bb20b5794dcb829212c7718527f6b0ee0219e1d51ad776ecc8f26aca65e91b7aea39249cbd965384aff9940314d1cbb20ea4d7db95dd2a6208

  • SSDEEP

    3072:TA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoGo:TzIqATVfQeV2FZalKq6jtGJWuTmd

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7a0b917342921dc58e646bd4a12291b_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7a0b917342921dc58e646bd4a12291b_JaffaCakes118.dll,#1
      2⤵
        PID:1380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1380 -s 688
          3⤵
          • Program crash
          PID:3684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1380 -ip 1380
      1⤵
        PID:4348

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1380-0-0x0000000075180000-0x00000000751B0000-memory.dmp

        Filesize

        192KB

      • memory/1380-1-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

        Filesize

        24KB

      • memory/1380-2-0x0000000075180000-0x00000000751B0000-memory.dmp

        Filesize

        192KB