Analysis

  • max time kernel
    158s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2024, 18:09

General

  • Target
    5a5bbd8c04147c15575a07e24bdef22e_JaffaCakes118.dll
  • Size 604KB
  • Sample240331-wrxb2agd8v
  • SHA256 88a94091ec39cf0fcb60f326e81f2a12ac40c6f41072f04dd0088d9c435e2d31
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • dridex

Botnet
  • 10444

C2
  • 174.128.245.202:443

  • 51.83.3.52:13786

  • 69.64.50.41:6602

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Blocklisted process makes network request 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5bbd8c04147c15575a07e24bdef22e_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5bbd8c04147c15575a07e24bdef22e_JaffaCakes118.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:4616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4616-0-0x0000000000400000-0x0000000000530000-memory.dmp

        memory/4616-2-0x0000000000400000-0x0000000000530000-memory.dmp

        memory/4616-4-0x00000000012C0000-0x00000000012C1000-memory.dmp

        memory/4616-5-0x0000000000400000-0x0000000000530000-memory.dmp

        memory/4616-7-0x00000000012C0000-0x00000000012C1000-memory.dmp