Analysis

  • max time kernel
    27s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-07-2021 19:05

General

  • Target

    7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll

  • Size

    175KB

  • MD5

    e92d48a038b4208fafd89f2ed6c630fb

  • SHA1

    058d63533e5794a82f173246197584361c644115

  • SHA256

    7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a

  • SHA512

    808f4ca14e161c8b6e31ba0538f8ae886acb52c37e5f93138a9c86189f5a109b6fa33cf30749c1d08af8bb5315ce60b114225af8055b1ab15f2e568b3463a5e4

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.238.236.59:443

104.245.52.73:5007

81.0.236.93:13786

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\7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll,#1
      2⤵
        PID:1464
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 636
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2700

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1464-114-0x0000000000000000-mapping.dmp

    • memory/1464-115-0x0000000074260000-0x0000000074290000-memory.dmp

      Filesize

      192KB

    • memory/1464-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

      Filesize

      24KB