Analysis

  • max time kernel
    18s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-06-2021 03:16

General

  • Target

    bd816cf7ad1427ca48deb5ccdff1e897f20baf63df35b4a7fd6e6bdf65c268fb.dll

  • Size

    174KB

  • MD5

    41ca40276052e59bd7ad543a255a58b7

  • SHA1

    2f4ddb7419dfc8ab3aa1ea80137e88148317292c

  • SHA256

    bd816cf7ad1427ca48deb5ccdff1e897f20baf63df35b4a7fd6e6bdf65c268fb

  • SHA512

    afc5e2130f2b5de7c06ea1034f3c9e9b0859b709e6affbe78905a1c648425ecd86c2dbb17532a8847ea4f891290e03976c5db0e1ddb2208617040f9614e96ec4

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\bd816cf7ad1427ca48deb5ccdff1e897f20baf63df35b4a7fd6e6bdf65c268fb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd816cf7ad1427ca48deb5ccdff1e897f20baf63df35b4a7fd6e6bdf65c268fb.dll,#1
      2⤵
        PID:3580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 644
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4056

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3580-114-0x0000000000000000-mapping.dmp
    • memory/3580-115-0x0000000073DE0000-0x0000000073E10000-memory.dmp
      Filesize

      192KB

    • memory/3580-117-0x0000000000750000-0x0000000000756000-memory.dmp
      Filesize

      24KB