Analysis

  • max time kernel
    25s
  • max time network
    66s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:13

General

  • Target

    7ed8fa8203bfd657ac163739f8de5991acb62fd6c08dd1e97aa71ebdd7718167.dll

  • Size

    162KB

  • MD5

    2b5df4040a6f52db8a3b1e0551801c5e

  • SHA1

    022861dd9e0b387338e1e995a2dded1011851498

  • SHA256

    7ed8fa8203bfd657ac163739f8de5991acb62fd6c08dd1e97aa71ebdd7718167

  • SHA512

    3eef84eb983a9ef3023b80b94fa2ceed0544cd475ac4d261e1d4932244cc6957e976fc8f7e18ffd64c9864a89f2627b88bd00c5e4fad95476669a8638307a727

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7ed8fa8203bfd657ac163739f8de5991acb62fd6c08dd1e97aa71ebdd7718167.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7ed8fa8203bfd657ac163739f8de5991acb62fd6c08dd1e97aa71ebdd7718167.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:392

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/392-115-0x0000000074350000-0x000000007437E000-memory.dmp

          Filesize

          184KB

        • memory/392-117-0x0000000000C90000-0x0000000000C96000-memory.dmp

          Filesize

          24KB