Analysis

  • max time kernel
    110s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 07:05

General

  • Target

    5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll

  • Size

    184KB

  • MD5

    5b0255dcb1e9a2b9fd0a0f2a2bce2920

  • SHA1

    5b32e7fa921eb5749eadb09ca9ae43f2a77d9be2

  • SHA256

    909f24439bd05c10854c952af9e1509d4d2e9d1cd99d212de1efe2a79c12bf16

  • SHA512

    28bccf86fd894181bb3ea27a19169b477d4ae5e83b57d3c2a949bc073dc65094957f99cf1c10152ac2e8b93a3e2cef6f819b9e1a6220f3c8d140b4455da33ed8

  • SSDEEP

    3072:e92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTsrLA:e9NSMOEpQ1Q3ODAr+VI

Malware Config

Extracted

Family

dridex

Botnet

22203

C2

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 220
        3⤵
        • Program crash
        PID:2296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2516-0-0x0000000000100000-0x0000000000106000-memory.dmp

    Filesize

    24KB

  • memory/2516-1-0x0000000074CE0000-0x0000000074D0F000-memory.dmp

    Filesize

    188KB

  • memory/2516-3-0x0000000000100000-0x0000000000106000-memory.dmp

    Filesize

    24KB

  • memory/2516-2-0x0000000074CE0000-0x0000000074D0F000-memory.dmp

    Filesize

    188KB