Analysis

  • max time kernel
    22s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:07

General

  • Target

    a905773c8224589df85f4f3f9c38a156a2a21f0ddeb52552f7d3615cbceedf11.dll

  • Size

    172KB

  • MD5

    a7a668466988bc94f08e1ba3ce0a25a6

  • SHA1

    eaacfc6c29105a603d40b62df51b406897e13a26

  • SHA256

    a905773c8224589df85f4f3f9c38a156a2a21f0ddeb52552f7d3615cbceedf11

  • SHA512

    2bb86cd724e8a7aa9caa620b6f81c9bb4d0ea432b078336b25bb55f0d7f1ddbd9d25aaf1060575f4fb4af52aef316e84516a1f1920b8f0ec0aa125faebdefb50

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\a905773c8224589df85f4f3f9c38a156a2a21f0ddeb52552f7d3615cbceedf11.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a905773c8224589df85f4f3f9c38a156a2a21f0ddeb52552f7d3615cbceedf11.dll,#1
      2⤵
        PID:372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 688
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3888

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/372-115-0x0000000073860000-0x0000000073890000-memory.dmp

            Filesize

            192KB

          • memory/372-117-0x0000000001180000-0x00000000011A3000-memory.dmp

            Filesize

            140KB