Analysis

  • max time kernel
    27s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-07-2021 19:38

General

  • Target

    5bf25769cb1ab4da9253eb56473168a5.dll

  • Size

    175KB

  • MD5

    5bf25769cb1ab4da9253eb56473168a5

  • SHA1

    9c2f7691fd672eb44e56232769cd8efaf2f2631a

  • SHA256

    80012d65f11c6481e6e98a03016f5a69ed2ae210af24d810b7ce562318a9b116

  • SHA512

    4f6a479a2fe1bf4f6831a89b80ca4ec8bbabe598ad434cc0034d20c54d5d99a6b0c832d91f21a4bb66fd98c081da337cdc191a81ee277de36e8eee8af1fc7e0a

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.238.236.59:443

104.245.52.73:5007

81.0.236.93:13786

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\5bf25769cb1ab4da9253eb56473168a5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bf25769cb1ab4da9253eb56473168a5.dll,#1
      2⤵
        PID:1816
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 636
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:412

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1816-114-0x0000000000000000-mapping.dmp

    • memory/1816-115-0x0000000073F10000-0x0000000073F40000-memory.dmp

      Filesize

      192KB

    • memory/1816-117-0x0000000003060000-0x0000000003066000-memory.dmp

      Filesize

      24KB