Analysis

  • max time kernel
    14s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 20:17

General

  • Target

    1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37.dll

  • Size

    1.0MB

  • MD5

    0b35817c94400e80b636670b3ab831df

  • SHA1

    6efa9d415f382b9e94eead3b8f9823f9d16fae2a

  • SHA256

    1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37

  • SHA512

    0f70f7e8b58a3f71c0dc4fcc5eceba3a99197da88f7dee88aed03516c1a6dc0918e396060f5dd2bf6bc08659a7b5d6d9a18226b145ecf2eef2c41d2431dbd7f7

  • SSDEEP

    3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDJ:o6C5AXbMn7UI1FoV2gwTBlrIckP/

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1552

Network

MITRE ATT&CK Enterprise v15

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Downloads