Analysis

  • max time kernel
    18s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:06

General

  • Target

    fad52b1b02da6f733100aafedb5651dc1dfeb26f60be83035b245c8eba8bd2b2.dll

  • Size

    172KB

  • MD5

    4e00f70e6a40fa6c727273d9d8845188

  • SHA1

    884e8ecfb49bb03e2d5020071a2a2d75f3c96d83

  • SHA256

    fad52b1b02da6f733100aafedb5651dc1dfeb26f60be83035b245c8eba8bd2b2

  • SHA512

    ff10bd0597c73f1a6d6c58214f5f7bcc7ce56d76b697e83e75fad4c386e7ea74dadf4bebbe629f6aad340a7eea650fd736aa26af0e46c35b58904256820d0cc6

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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 behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fad52b1b02da6f733100aafedb5651dc1dfeb26f60be83035b245c8eba8bd2b2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fad52b1b02da6f733100aafedb5651dc1dfeb26f60be83035b245c8eba8bd2b2.dll,#1
      2⤵
        PID:3164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3584

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3164-115-0x00000000736D0000-0x0000000073700000-memory.dmp

            Filesize

            192KB

          • memory/3164-117-0x0000000000840000-0x000000000098A000-memory.dmp

            Filesize

            1.3MB