Analysis

  • max time kernel
    19s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 06:33

General

  • Target

    9fbf2010328c51a2e5ba4bdc377dfd0aa762088d85805c40ce829a1d49619285.dll

  • Size

    162KB

  • MD5

    e5c6493e2bb8a9951f9a5e231c128a02

  • SHA1

    a1c558c1090762ae88ee591bd30e1aff96a0d6be

  • SHA256

    9fbf2010328c51a2e5ba4bdc377dfd0aa762088d85805c40ce829a1d49619285

  • SHA512

    1dc80dc8d3f96f8e534717868d92a0183752977ba5743b9d9a065b1d4294113a8a79969164b90edab7a04333c7fdf31953cba13c5818b5baf27f954994b28407

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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\9fbf2010328c51a2e5ba4bdc377dfd0aa762088d85805c40ce829a1d49619285.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9fbf2010328c51a2e5ba4bdc377dfd0aa762088d85805c40ce829a1d49619285.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/788-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

    Filesize

    184KB

  • memory/788-117-0x0000000002BC0000-0x0000000002D0A000-memory.dmp

    Filesize

    1.3MB