Analysis

  • max time kernel
    34s
  • max time network
    35s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    04-05-2021 15:30

General

  • Target

    0dcd6cad80298d9ce1bc70a650912925f521aa1f0bddebf6bb2534b4334a6da8.dll

  • Size

    162KB

  • MD5

    0a09a9c7e2acfd7c394d9b86f8bd4b66

  • SHA1

    5a602e28282447cd331444cbff192b64d7f3a613

  • SHA256

    0dcd6cad80298d9ce1bc70a650912925f521aa1f0bddebf6bb2534b4334a6da8

  • SHA512

    d69c7d43328b5d2d985d7e3010382d8c6cb411424e0419a79c82f1d0ea65df584b014bcdff3942bbadae045c8faadb4d67c05be1a40d138a4c28c4f6fedfb6a3

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\0dcd6cad80298d9ce1bc70a650912925f521aa1f0bddebf6bb2534b4334a6da8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0dcd6cad80298d9ce1bc70a650912925f521aa1f0bddebf6bb2534b4334a6da8.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1660

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1660-114-0x0000000000000000-mapping.dmp
  • memory/1660-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp
    Filesize

    184KB

  • memory/1660-117-0x0000000002D10000-0x0000000002E5A000-memory.dmp
    Filesize

    1.3MB