Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    02-03-2021 06:19

General

  • Target

    67c1e48e17bc9e35b50e642ac99e475e1a6faee03ca671cea409bed644287580.dll

  • Size

    538KB

  • MD5

    8f83a5eaed1994d1a87fa16d77ad7833

  • SHA1

    0f3da89a227960d1a87065f02428857c32a39b89

  • SHA256

    67c1e48e17bc9e35b50e642ac99e475e1a6faee03ca671cea409bed644287580

  • SHA512

    25d0a2c0f3d2885ce3f21a26f7a8b9e1e75aec5cc69f42dc4f9314805e900dd5f0f9149cee750489bb6aeac06dfdf2b7dd15d6fbfeab08c25d183d64257188ad

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

77.220.64.146:443

85.25.134.43:8172

213.208.134.178:6516

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\67c1e48e17bc9e35b50e642ac99e475e1a6faee03ca671cea409bed644287580.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\67c1e48e17bc9e35b50e642ac99e475e1a6faee03ca671cea409bed644287580.dll
      2⤵
        PID:1256

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/304-8-0x000007FEF6E90000-0x000007FEF710A000-memory.dmp

      Filesize

      2.5MB

    • memory/1256-3-0x0000000000000000-mapping.dmp

    • memory/1256-4-0x00000000750C1000-0x00000000750C3000-memory.dmp

      Filesize

      8KB

    • memory/1256-5-0x0000000073FA0000-0x0000000073FDD000-memory.dmp

      Filesize

      244KB

    • memory/1256-6-0x0000000073FA0000-0x0000000073FDD000-memory.dmp

      Filesize

      244KB

    • memory/1256-7-0x00000000001D0000-0x00000000001D1000-memory.dmp

      Filesize

      4KB

    • memory/1932-2-0x000007FEFB541000-0x000007FEFB543000-memory.dmp

      Filesize

      8KB