Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 21:24

General

  • Target

    374022bab0c830094064df75870499053c3b6cdd99c326696f90db06b81d4dbe.dll

  • Size

    722KB

  • MD5

    a47c3c62452901abc0e70b1db9b36adb

  • SHA1

    2b720a3ecc71d08fa98fe2c68f96fabd26452cb2

  • SHA256

    374022bab0c830094064df75870499053c3b6cdd99c326696f90db06b81d4dbe

  • SHA512

    7d2330b58e8270d41df069830465d2afebbd75a4510741dc78ee6a8be7a8468bcf9305b36f9d8b56ca7020ae4e03536e3e808d52052648f3519532465e1ecf93

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYH:o6RI1Fo/wT3cJYYYYYYYYYYYYH

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\374022bab0c830094064df75870499053c3b6cdd99c326696f90db06b81d4dbe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\374022bab0c830094064df75870499053c3b6cdd99c326696f90db06b81d4dbe.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3156

Network

MITRE ATT&CK Enterprise v15

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Downloads