Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    06-12-2021 14:13

General

  • Target

    be5c2a86e8203b713825079b800b6d7c.dll

  • Size

    476KB

  • MD5

    be5c2a86e8203b713825079b800b6d7c

  • SHA1

    3394ed014d307d5e8258bcac2dc7136900f42b66

  • SHA256

    e023351c103b63084b21d7d0051001caab0643fc7b39f2a5b168c5e923af6430

  • SHA512

    f599d4d00e3bc84dd103809acf93428b9568abe85a9ca106e34f112bbf9b012bf9355ee47e395187afbb0145ff2480acd472597bee6f3856ee744b7f22a7d6ad

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

23.246.204.126:443

151.106.39.36:8116

103.124.144.123:6891

172.105.78.60:4664

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 behavior: EnumeratesProcesses 12 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\be5c2a86e8203b713825079b800b6d7c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\be5c2a86e8203b713825079b800b6d7c.dll,#1
      2⤵
        PID:3020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 728
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2996

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3020-116-0x00000000738E0000-0x0000000073959000-memory.dmp

      Filesize

      484KB

    • memory/3020-118-0x0000000002C00000-0x0000000002D4A000-memory.dmp

      Filesize

      1.3MB