Analysis

  • max time kernel
    53s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 15:04

General

  • Target

    e8754de6d3ffdf64a70631bdbca66624c00fd2d7fce32f60a27cc1be09a9e9b8.dll

  • Size

    231KB

  • MD5

    09d3621343dce1db864402e994b4b920

  • SHA1

    be4d1e40170d366e42897aa70521d7dd22724709

  • SHA256

    e8754de6d3ffdf64a70631bdbca66624c00fd2d7fce32f60a27cc1be09a9e9b8

  • SHA512

    c1c66d0a88f6c629744797db4c866cdc80ba54b1d97afbc87b2f587eb44b2ffd1d00485ba1d131aaded5a98ea8009f680094f2b1a267946a194850231212c530

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0v:jDgtfRQUHPw06MoV2nwTBlhm83

Score
10/10

Malware Config

Signatures

  • Yunsip

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8754de6d3ffdf64a70631bdbca66624c00fd2d7fce32f60a27cc1be09a9e9b8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8754de6d3ffdf64a70631bdbca66624c00fd2d7fce32f60a27cc1be09a9e9b8.dll,#1
      2⤵
        PID:1608

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1608-55-0x0000000075201000-0x0000000075203000-memory.dmp

      Filesize

      8KB