Analysis

  • max time kernel
    27s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:27

General

  • Target

    fd90b0922094ae1800d3d828d9efe0d31c7ee0b6be71b7b633a43528209efe7c.dll

  • Size

    172KB

  • MD5

    40e987639896d15f17b3d38ae323d5df

  • SHA1

    04b6eb7bd0c7a3809ae3c4d51e7cb5bbdf79da13

  • SHA256

    fd90b0922094ae1800d3d828d9efe0d31c7ee0b6be71b7b633a43528209efe7c

  • SHA512

    04d14866633c3dc01da71cf38738e628ab63f5d9e19e6d8479bdf475b2ceef3798c7c41395a66f7d9324dad80ca2c715d70ae5b7ed9e8b8ad3965ae87483d1ae

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\fd90b0922094ae1800d3d828d9efe0d31c7ee0b6be71b7b633a43528209efe7c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd90b0922094ae1800d3d828d9efe0d31c7ee0b6be71b7b633a43528209efe7c.dll,#1
      2⤵
        PID:2068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2264

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2068-115-0x0000000073990000-0x00000000739C0000-memory.dmp

            Filesize

            192KB

          • memory/2068-117-0x0000000004C50000-0x0000000004C73000-memory.dmp

            Filesize

            140KB