Analysis

  • max time kernel
    20s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 04:08

General

  • Target

    b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a.dll

  • Size

    162KB

  • MD5

    c245e429272ee5a3f03146a462936109

  • SHA1

    85ceae8ce5349c08432174de0154d8fd00afad71

  • SHA256

    b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a

  • SHA512

    2d1d8800a69d9b5a3f0da00ff1318e3133fe77b77571155db50737c7e84ec4174b8722be5d8fb9f1b93ed3dbef7d10fc0732569f3a5f2d631b3581cfc4d7668f

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\b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b29b45053dbca5908709627b1f162a91672ba286e4b2b9b88886cf59004f066a.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1728-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

    Filesize

    184KB

  • memory/1728-117-0x00000000003E0000-0x00000000003E6000-memory.dmp

    Filesize

    24KB