Analysis

  • max time kernel
    17s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-06-2021 03:12

General

  • Target

    13c45fd8886d5c8fe570154063f58db1f6381e37bbce563762bd03e0c501db52.dll

  • Size

    174KB

  • MD5

    445209dbd05ff7d56513be5071552162

  • SHA1

    a507d112640ce5fffafe0a770c84da60a5ed3d3c

  • SHA256

    13c45fd8886d5c8fe570154063f58db1f6381e37bbce563762bd03e0c501db52

  • SHA512

    a610385edb3bd28d66e0669a2d9409b980193d50bd9e63d504689bd6d3e86089cdcf8136a14f447ea42c017821e389342aafdd936dcd94453e13080f1fef30b2

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.128.220.64:30333

45.79.91.89:9987

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\13c45fd8886d5c8fe570154063f58db1f6381e37bbce563762bd03e0c501db52.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\13c45fd8886d5c8fe570154063f58db1f6381e37bbce563762bd03e0c501db52.dll,#1
      2⤵
        PID:3700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 644
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3384

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3700-114-0x0000000000000000-mapping.dmp
    • memory/3700-115-0x00000000739D0000-0x0000000073A00000-memory.dmp
      Filesize

      192KB

    • memory/3700-117-0x0000000002F00000-0x000000000304A000-memory.dmp
      Filesize

      1.3MB