Analysis

  • max time kernel
    19s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 06:23

General

  • Target

    4570b324fa6d286fbb5b62170c128372bd70c7c56e5ea5ef64cc91256ff7b595.dll

  • Size

    158KB

  • MD5

    fe85a40827f310037908d900ab4a3e19

  • SHA1

    d822ad35a9c07bcc253f177982c6c40211f505dd

  • SHA256

    4570b324fa6d286fbb5b62170c128372bd70c7c56e5ea5ef64cc91256ff7b595

  • SHA512

    d2c6d0c59ce8aa9b8c5207fdfdc4f57fa8386dc89629a2620d275a5692835c2d10e1f4d9b705a61131fbaaad3e53acac89dafaa73153ef56a08a52364de32096

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\4570b324fa6d286fbb5b62170c128372bd70c7c56e5ea5ef64cc91256ff7b595.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4570b324fa6d286fbb5b62170c128372bd70c7c56e5ea5ef64cc91256ff7b595.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2292-115-0x0000000074380000-0x00000000743AD000-memory.dmp

    Filesize

    180KB

  • memory/2292-117-0x0000000000500000-0x000000000064A000-memory.dmp

    Filesize

    1.3MB