Analysis

  • max time kernel
    133s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-07-2021 20:04

General

  • Target

    5bf25769cb1ab4da9253eb56473168a5.dll

  • Size

    175KB

  • MD5

    5bf25769cb1ab4da9253eb56473168a5

  • SHA1

    9c2f7691fd672eb44e56232769cd8efaf2f2631a

  • SHA256

    80012d65f11c6481e6e98a03016f5a69ed2ae210af24d810b7ce562318a9b116

  • SHA512

    4f6a479a2fe1bf4f6831a89b80ca4ec8bbabe598ad434cc0034d20c54d5d99a6b0c832d91f21a4bb66fd98c081da337cdc191a81ee277de36e8eee8af1fc7e0a

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 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bf25769cb1ab4da9253eb56473168a5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bf25769cb1ab4da9253eb56473168a5.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 224
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1300-60-0x0000000000000000-mapping.dmp

  • memory/1300-61-0x00000000767B1000-0x00000000767B3000-memory.dmp

    Filesize

    8KB

  • memory/1300-62-0x0000000075000000-0x0000000075030000-memory.dmp

    Filesize

    192KB

  • memory/1300-65-0x0000000000190000-0x0000000000196000-memory.dmp

    Filesize

    24KB

  • memory/1648-64-0x0000000000000000-mapping.dmp

  • memory/1648-66-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB