Analysis

  • max time kernel
    22s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    11-06-2021 03:16

General

  • Target

    cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b.dll

  • Size

    174KB

  • MD5

    73695b49d260af99a67bec8f1c3533cb

  • SHA1

    1192c14e7b5980054855609a242410794c4533e5

  • SHA256

    cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b

  • SHA512

    367fc989dd4925060e02e738bd3f615937b25b02ae67281c717431c5318f67a5138ab92a9463fd4bf437abd3812cb02998b3bdc41b102adad26b38700119da15

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.128.220.64:30333

45.79.91.89:9987

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\cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cdbdd600db73cb0e0c56d98e58859bd3145a6f9003b90d768f88b09edc5b939b.dll,#1
      2⤵
        PID:1216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 644
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1508

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1216-114-0x0000000000000000-mapping.dmp
    • memory/1216-115-0x0000000073F10000-0x0000000073F40000-memory.dmp
      Filesize

      192KB

    • memory/1216-117-0x0000000000E00000-0x0000000000E06000-memory.dmp
      Filesize

      24KB