Analysis

  • max time kernel
    18s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:14

General

  • Target

    4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e.dll

  • Size

    172KB

  • MD5

    76f5abaf8d30965bf9f20bc16ff0f731

  • SHA1

    d2cad480641404222f661042c59b3f7102b00456

  • SHA256

    4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e

  • SHA512

    a05a8f4771c950f699a39d153ac63cf969c4383f8d377ba6c8a6243f96d6db14a92b71f49e67bb02fe29fb40a4ba9ac326772fe4074a2aeafa253ffb07108e55

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\4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e.dll,#1
      2⤵
        PID:3300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3300 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1492

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3300-115-0x0000000073B80000-0x0000000073BB0000-memory.dmp

            Filesize

            192KB

          • memory/3300-117-0x0000000002F40000-0x0000000002F46000-memory.dmp

            Filesize

            24KB