Analysis

  • max time kernel
    30s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 12:06

General

  • Target

    1677586653c1d0b4b01042bc4cea46ffb317129ef0161b8c25beb7eb75645f41.dll

  • Size

    172KB

  • MD5

    bbb1a147d2411d4b59c07ab423145b47

  • SHA1

    ff3cd98cd7b2d376a5ff584e70de8aef90fd8461

  • SHA256

    1677586653c1d0b4b01042bc4cea46ffb317129ef0161b8c25beb7eb75645f41

  • SHA512

    ede00885a18b3c919d8f97063cd6c9fd15788a6d898e56839c903fc3017a634475dddcd9a2fa2949f3491fca402142e9aba0f3901b688ee9065c34d95c0e8946

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\1677586653c1d0b4b01042bc4cea46ffb317129ef0161b8c25beb7eb75645f41.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1677586653c1d0b4b01042bc4cea46ffb317129ef0161b8c25beb7eb75645f41.dll,#1
      2⤵
        PID:360
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 360 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2972

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/360-115-0x0000000074300000-0x0000000074330000-memory.dmp

            Filesize

            192KB

          • memory/360-117-0x0000000002B80000-0x0000000002B86000-memory.dmp

            Filesize

            24KB