Analysis

  • max time kernel
    20s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:21

General

  • Target

    9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70.dll

  • Size

    170KB

  • MD5

    305cde8b843da34d313aaec59245f674

  • SHA1

    06068e6e40bbb945b23a4281137d1c60d3f6487b

  • SHA256

    9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70

  • SHA512

    df81bd9c1c7def6ab9b0fad5beee5d2d91e7e003536d97b70751c4d20b52682ddbf0167c0911b11e90abbca3c4915960d027cd4d9b724b85e400b7dbbd3ec139

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9660f3beeef6aee44627e1252900b5709da451eb649505ce7567d13c31474b70.dll,#1
      2⤵
        PID:4452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1936

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4452-115-0x0000000074290000-0x00000000742C0000-memory.dmp

            Filesize

            192KB

          • memory/4452-117-0x00000000004F0000-0x000000000063A000-memory.dmp

            Filesize

            1.3MB