Analysis

  • max time kernel
    93s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 19:56

General

  • Target
    JaffaCakes118_8908808085d56b397ea7153657815873b7ddf49bc5a79774615c741d4cf4a1db.dll
  • Size 188KB
  • Sample241230-ynph5ayna1
  • SHA256 8908808085d56b397ea7153657815873b7ddf49bc5a79774615c741d4cf4a1db
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22201

C2
  • 103.87.173.60:443

  • 45.32.243.209:8116

  • 207.180.208.54:4664

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex family
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8908808085d56b397ea7153657815873b7ddf49bc5a79774615c741d4cf4a1db.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8908808085d56b397ea7153657815873b7ddf49bc5a79774615c741d4cf4a1db.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 696
        3⤵
        • Program crash
        PID:2724
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3168 -ip 3168
    1⤵
      PID:996

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3168-0-0x0000000000E90000-0x0000000000E96000-memory.dmp

          memory/3168-1-0x0000000075830000-0x0000000075860000-memory.dmp

          memory/3168-3-0x0000000000E90000-0x0000000000E96000-memory.dmp