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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14/12/2024, 23:44

General

  • Target

    76436512E3E3A9DCA38F5EAF312FE323.dll

  • Size

    660KB

  • MD5

    76436512e3e3a9dca38f5eaf312fe323

  • SHA1

    503af6ad7617f847abbe509a907944f0e9213505

  • SHA256

    7d4ea4e69143df3f0f8fb9e4dee13c5251c4b1810d6b3a8626195906f00c0a49

  • SHA512

    aab595de7a3af9a3e7c480f953b392f42965348ffcda6a410eb990ae2c11c5a87f975b2ad2c34a147767b14325c60117af64f2bcea2813a7fbcee94ddfc951d9

  • SSDEEP

    12288:oIsMQVdsxSoqFsUzAbRb7aZJhztomX9mFu4Ou1GN3/k3jQlVUihjxWBZlUAxwqwX:nDQVdsxSoqFsGA6rX9mFujeMwQljhjxb

Malware Config

Extracted

Family

socks5systemz

Attributes
  • rc4_key

    i4hiea56#7b&dfw3

Signatures

  • Detect Socks5Systemz Payload 2 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • 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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\76436512E3E3A9DCA38F5EAF312FE323.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\76436512E3E3A9DCA38F5EAF312FE323.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2824-1-0x00000000751D0000-0x000000007527D000-memory.dmp

    Filesize

    692KB

  • memory/2824-0-0x0000000075280000-0x000000007532D000-memory.dmp

    Filesize

    692KB

  • memory/2824-4-0x00000000751D0000-0x000000007527D000-memory.dmp

    Filesize

    692KB