Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 05:12

General

  • Target

    2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086ebN.dll

  • Size

    1.5MB

  • MD5

    344eedf663edd4f261668d0a74daf970

  • SHA1

    12c90a9cf21e3e8ac1a0ff0737603f9b3c99da04

  • SHA256

    2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086eb

  • SHA512

    cf27751eb67b07cb6d8ddff627232ab9b89cb08790d30f24527833ffd6b6c7fcc1e61a483d4839f0af63b657551749f9c3c6eeb849e6aed15ecdc11b524d4303

  • SSDEEP

    6144:jDgtfRQUHPw06MoV2nwTBlhm8zDgtfRQUHPw06MoV2nwTBlhm8N:jDgN6MoIwT3vDgN6MoIwT3p

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Yunsip 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086ebN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e61093f46440639698c0c2ce373ade6558612c28e84c0b87cfbc4cc5d1086ebN.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1052

Network

MITRE ATT&CK Enterprise v15

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