Analysis

  • max time kernel
    22s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:46

General

  • Target

    b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c.dll

  • Size

    172KB

  • MD5

    231557636de47054b558c617b9732f90

  • SHA1

    74ce7b5551a7a3e6b744faba412f2df7e559c295

  • SHA256

    b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c

  • SHA512

    16e501227534e1d38c794c3b838692836c2f355c40c269c00366045e91401aeb1fb96c957f494077245c95ea16a17e8e017e09b7303c9398ebd7b8ec23b56b36

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\b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b69dee6c7fcb0fc00c9226ca495ce6126fb2017803fbd6167d59b0b6287d961c.dll,#1
      2⤵
        PID:3128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1340

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3128-115-0x0000000073890000-0x00000000738C0000-memory.dmp

            Filesize

            192KB

          • memory/3128-117-0x00000000041C0000-0x00000000041C6000-memory.dmp

            Filesize

            24KB