Analysis

  • max time kernel
    35s
  • max time network
    43s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 18:10

General

  • Target

    d6147a1670d29b4c7be94cc86e971b21541192f53dd081fed2f7a8be317e3d20.dll

  • Size

    157KB

  • MD5

    b2b7a91c637009b3427ce16c9d3f0c31

  • SHA1

    5b6156cc067def3d029dc8d5c634a32581eda6ed

  • SHA256

    d6147a1670d29b4c7be94cc86e971b21541192f53dd081fed2f7a8be317e3d20

  • SHA512

    dc1c4d42702c84ba314ee24511b8fd39e2d267a42c6c1e4e833385507132dcb3158ffbf873908be2b4076ebca4fa73fd7f4a4b2af3e1b0a4de6ec553510df40f

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\d6147a1670d29b4c7be94cc86e971b21541192f53dd081fed2f7a8be317e3d20.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6147a1670d29b4c7be94cc86e971b21541192f53dd081fed2f7a8be317e3d20.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3952-114-0x0000000000000000-mapping.dmp

  • memory/3952-115-0x0000000074380000-0x00000000743AD000-memory.dmp

    Filesize

    180KB

  • memory/3952-117-0x0000000000B60000-0x0000000000B66000-memory.dmp

    Filesize

    24KB