Analysis

  • max time kernel
    18s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:23

General

  • Target

    21e1461ae1adee83c24f94f49f0d3acde426bbd8c02072d5a19e307b57538a44.dll

  • Size

    170KB

  • MD5

    1aebbdf19e3d579bee405fb370b021dd

  • SHA1

    8ee84ef87aa4f243f914aa27951a258a620e153b

  • SHA256

    21e1461ae1adee83c24f94f49f0d3acde426bbd8c02072d5a19e307b57538a44

  • SHA512

    17fab87fe4c01fcaec5616302c71ada093b0c76742e7c47c32803381dc4cee51f1ee892b28e202f6c418fb34791fb363ccf62e3ab7297fa99c6dbe9c0e382d81

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\21e1461ae1adee83c24f94f49f0d3acde426bbd8c02072d5a19e307b57538a44.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\21e1461ae1adee83c24f94f49f0d3acde426bbd8c02072d5a19e307b57538a44.dll,#1
      2⤵
        PID:3024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1008

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3024-115-0x00000000736B0000-0x00000000736E0000-memory.dmp

            Filesize

            192KB

          • memory/3024-117-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

            Filesize

            24KB