Analysis

  • max time kernel
    139s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 05:59

General

  • Target

    cb7e4c3078f07315ef2c27581e55ace30b1eebbeff6ab19a0461e5829126b413.dll

  • Size

    567KB

  • MD5

    65deb07195f409b9bf6c3fd929ce2d6a

  • SHA1

    04c6c9ffe45f7c69fa99186e85d6444abfbcf700

  • SHA256

    cb7e4c3078f07315ef2c27581e55ace30b1eebbeff6ab19a0461e5829126b413

  • SHA512

    ffc7a343abea59bbabe2a38bff447f64ddc75a78988829030001ac335a2a30fec9d2ee0f07ca01a26e0c97e10fd93bc9df447f0b31992df2e262f3b6baee50bc

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0:jDgtfRQUHPw06MoV2nwTBlhm8

Malware Config

Signatures

  • Yunsip

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

  • 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\cb7e4c3078f07315ef2c27581e55ace30b1eebbeff6ab19a0461e5829126b413.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb7e4c3078f07315ef2c27581e55ace30b1eebbeff6ab19a0461e5829126b413.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4824

Network

MITRE ATT&CK Enterprise v15

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Downloads