Analysis

  • max time kernel
    21s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-07-2021 19:58

General

  • Target

    adb1d947f0901a4f3cb0b8ad1a6ee385.dll

  • Size

    175KB

  • MD5

    adb1d947f0901a4f3cb0b8ad1a6ee385

  • SHA1

    b82715bbeab52f75dd44f6396593111ae242632c

  • SHA256

    55bc0af1e99d0310ea3e8668aba02e4d3aa3c800b85fe304a6377968a4668cc1

  • SHA512

    7eea926f405b066917262ad31e109773c40373e6254a25e2b25c53175a8ca7aabc66e275672af38e45eabcd2080f8236078f709ed0332a092cc41b5afea5a606

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\adb1d947f0901a4f3cb0b8ad1a6ee385.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\adb1d947f0901a4f3cb0b8ad1a6ee385.dll,#1
      2⤵
        PID:3736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 636
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2776

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3736-114-0x0000000000000000-mapping.dmp
    • memory/3736-115-0x0000000073890000-0x00000000738C0000-memory.dmp
      Filesize

      192KB

    • memory/3736-117-0x0000000002D60000-0x0000000002D66000-memory.dmp
      Filesize

      24KB