Analysis

  • max time kernel
    27s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:36

General

  • Target

    bf68968595bcfb9c87eac5086809e6477cc1b4ede2dba7a816ed2663817c1579.dll

  • Size

    170KB

  • MD5

    5f506004c129edb5fe5d0cfe163ce775

  • SHA1

    ad71e29daacbb252cf54c48c159188feae1461ee

  • SHA256

    bf68968595bcfb9c87eac5086809e6477cc1b4ede2dba7a816ed2663817c1579

  • SHA512

    47d8bdf8377cbca09aa3dcef4df71541d128940dd5018bbe57ee4dc261c03bb62acfee99192dcc76390bdfb431235d45fe1ba4830638a11352f4ab32b242ffbe

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\bf68968595bcfb9c87eac5086809e6477cc1b4ede2dba7a816ed2663817c1579.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf68968595bcfb9c87eac5086809e6477cc1b4ede2dba7a816ed2663817c1579.dll,#1
      2⤵
        PID:4872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:800

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4872-115-0x0000000073880000-0x00000000738B0000-memory.dmp

            Filesize

            192KB

          • memory/4872-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

            Filesize

            24KB