Analysis

  • max time kernel
    141s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 00:36

General

  • Target

    f91cf10e765147ebc3d54fde9be23da8_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    f91cf10e765147ebc3d54fde9be23da8

  • SHA1

    3b75096c15df7aa2211aaa3c45c5700d66f45197

  • SHA256

    da9a2beb09d8cffdaecb8ac687324e6a1d9ca588104fa9734b8cb4a2843711ad

  • SHA512

    a1375e8b456e23b4be921da0ff397a82ad45676e18da67e022e4596ead07eb673c194b9f7d70ffc57867d2157b5de054829a759d67fc220cb0216d8af09dbf52

  • SSDEEP

    3072:mhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JIVQcY:m3fOeIv54W6SFKfc9me9v9/JIV

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f91cf10e765147ebc3d54fde9be23da8_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f91cf10e765147ebc3d54fde9be23da8_JaffaCakes118.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 288
        3⤵
        • Program crash
        PID:2532

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2508-0-0x0000000074710000-0x0000000074740000-memory.dmp

    Filesize

    192KB

  • memory/2508-1-0x0000000000100000-0x0000000000106000-memory.dmp

    Filesize

    24KB