Analysis

  • max time kernel
    20s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 06:38

General

  • Target

    284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5.dll

  • Size

    158KB

  • MD5

    d94ddd282c002acb51d55a7b124a8fdb

  • SHA1

    448ff75ba93f9e21b2a95f264f6349c255b40b06

  • SHA256

    284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5

  • SHA512

    4dfd7508c9f928f45122675f49db9bc970983e2654deb77109a322b3e8eec731013120ceb75e3d2d95d6b9d8937452a89f3ecd762e4c1ae23a2997cac32fc96d

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\284741ee02d8e36c7ced5b63b7012feb2169036c4f7197663613d68ebbd7a3d5.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4080-114-0x0000000000000000-mapping.dmp

  • memory/4080-115-0x0000000074480000-0x00000000744AD000-memory.dmp

    Filesize

    180KB

  • memory/4080-117-0x0000000002D90000-0x0000000002D96000-memory.dmp

    Filesize

    24KB