Analysis

  • max time kernel
    25s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:30

General

  • Target

    2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a.dll

  • Size

    170KB

  • MD5

    f7bb6c66be30cd722820627ab6553982

  • SHA1

    0678b8f371273ebc003f321aea06f7187a0434f4

  • SHA256

    2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a

  • SHA512

    bbd08d5fcfa0e5c181b05baa9e396fd60fde33e62a21b36e0fd79fa3a6e5388f70131c847586cc9d1d2efcd1e9b450c1da77f954730b83b8d1f8ee06d1a2e8ba

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\2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a.dll,#1
      2⤵
        PID:3628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3628 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:928

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/3628-115-0x0000000073560000-0x0000000073590000-memory.dmp

            Filesize

            192KB

          • memory/3628-117-0x00000000007E0000-0x0000000000803000-memory.dmp

            Filesize

            140KB