Analysis

  • max time kernel
    17s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:30

General

  • Target

    b660fcfe99a2e096d8c8745a9135939432c994a9fe3d0f0fb8bfb127a07051bf.dll

  • Size

    170KB

  • MD5

    b2ffaf5bdd31b09a4242ceee5a84f47b

  • SHA1

    70f06d46d5f43ac7402724b75f65c823fe7bf367

  • SHA256

    b660fcfe99a2e096d8c8745a9135939432c994a9fe3d0f0fb8bfb127a07051bf

  • SHA512

    ccc7f0db038a2bd03f9bce1d95433eb2f0f3b01c3f39df2b90bd1432d21525e11ac9441bf721197dbd2e790d668860aaa96d74de4b1797cac9033bff4a7308a8

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\b660fcfe99a2e096d8c8745a9135939432c994a9fe3d0f0fb8bfb127a07051bf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b660fcfe99a2e096d8c8745a9135939432c994a9fe3d0f0fb8bfb127a07051bf.dll,#1
      2⤵
        PID:3128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3896

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3128-115-0x0000000074300000-0x0000000074330000-memory.dmp

            Filesize

            192KB

          • memory/3128-117-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

            Filesize

            24KB