Analysis

  • max time kernel
    103s
  • max time network
    103s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 18:09

General

  • Target

    233674eddceda4e111bb693601de729a020533e81eb67c57f2ff3966b36d91ec.dll

  • Size

    154KB

  • MD5

    73e05aee0522a3031337613972078dad

  • SHA1

    102996bd4671b1cedf9febcc23ea3b4c712bd3ec

  • SHA256

    233674eddceda4e111bb693601de729a020533e81eb67c57f2ff3966b36d91ec

  • SHA512

    b848891e6c1ce0687285ce3971c5a66d60c65cfad94e8ee8a566750609d7ab77e0bc012531141f4cafc0b91f377854ef500c78a885505f69b62d5b885243fe65

Malware Config

Extracted

Family

dridex

Botnet

40111

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\233674eddceda4e111bb693601de729a020533e81eb67c57f2ff3966b36d91ec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\233674eddceda4e111bb693601de729a020533e81eb67c57f2ff3966b36d91ec.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3952

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3952-114-0x0000000000000000-mapping.dmp
  • memory/3952-115-0x0000000073A10000-0x0000000073A3D000-memory.dmp
    Filesize

    180KB

  • memory/3952-117-0x00000000047E0000-0x00000000047E6000-memory.dmp
    Filesize

    24KB