Analysis

  • max time kernel
    26s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:16

General

  • Target

    8a0b95cade823288485cfa8523d08d91076d812dae64051542dba892edcedf05.dll

  • Size

    170KB

  • MD5

    1d8ddea9be84c2a463727193344067f9

  • SHA1

    cc56e45a0016499dfcbcaef4c0937f7961802991

  • SHA256

    8a0b95cade823288485cfa8523d08d91076d812dae64051542dba892edcedf05

  • SHA512

    3e5c75cc4b090720b9e0043d27e5ac16862d1fd0aa866e8588c03fa0a895d782f3f535dda6f43f3a53242e3ba8e7e8a2cd348c28f5196d3af8c0af18881dd014

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\8a0b95cade823288485cfa8523d08d91076d812dae64051542dba892edcedf05.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a0b95cade823288485cfa8523d08d91076d812dae64051542dba892edcedf05.dll,#1
      2⤵
        PID:3944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:580

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3944-115-0x0000000073620000-0x0000000073650000-memory.dmp

            Filesize

            192KB

          • memory/3944-117-0x0000000004DA0000-0x0000000004DC3000-memory.dmp

            Filesize

            140KB