Analysis

  • max time kernel
    26s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 15:28

General

  • Target

    db7342f09af223c677dc966baa9ff578c9060987ae8a97048629b0e952f96def.dll

  • Size

    172KB

  • MD5

    c3dc839d2870a4fcf5093334ed7c7b12

  • SHA1

    04fb7801426d0578e1fabc58a19481509fa720d0

  • SHA256

    db7342f09af223c677dc966baa9ff578c9060987ae8a97048629b0e952f96def

  • SHA512

    8d28aa3b12353a4a7d4ec37b409f59d4d602bf48ae43568eb5ad94854655a2fc593ad0f8fad38eb6961a6586c7a17e2885815face00fed2c63d1477749572ab3

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\db7342f09af223c677dc966baa9ff578c9060987ae8a97048629b0e952f96def.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\db7342f09af223c677dc966baa9ff578c9060987ae8a97048629b0e952f96def.dll,#1
      2⤵
        PID:1000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 692
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1332

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1000-115-0x0000000073FB0000-0x0000000073FE0000-memory.dmp

            Filesize

            192KB

          • memory/1000-117-0x0000000000910000-0x0000000000A5A000-memory.dmp

            Filesize

            1.3MB