Analysis

  • max time kernel
    22s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 16:18

General

  • Target

    93609bae776400edfacb558093a31f7f1920d4fdd6a8881866aa4c4776b5a62c.dll

  • Size

    170KB

  • MD5

    5d7e37c03a1c740cde6f172a853fa1de

  • SHA1

    989ef52634df07621dd4ac82094fa0904c50ae1b

  • SHA256

    93609bae776400edfacb558093a31f7f1920d4fdd6a8881866aa4c4776b5a62c

  • SHA512

    ec6b5a7c3b933e67370240070b79b82fafcdad30bb798af8354ec3745a8b7beac4dc26861dc816bd98f39d436a1fb367c558ea8bea130647bee954a3d1b7855d

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\93609bae776400edfacb558093a31f7f1920d4fdd6a8881866aa4c4776b5a62c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\93609bae776400edfacb558093a31f7f1920d4fdd6a8881866aa4c4776b5a62c.dll,#1
      2⤵
        PID:1320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2856

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1320-115-0x0000000073F50000-0x0000000073F80000-memory.dmp

            Filesize

            192KB

          • memory/1320-117-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

            Filesize

            24KB