Analysis

  • max time kernel
    40s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 09:35

General

  • Target

    0f4883add5ad4dd248834b1c9d9554f6fcfd1c88c3ad987e009b77fa77ba28d5.dll

  • Size

    203KB

  • MD5

    47d036e5593a7c3776e057ef4ebedddb

  • SHA1

    c9432273eedc8f9a15a9d03215aa4a37ce1b80ad

  • SHA256

    0f4883add5ad4dd248834b1c9d9554f6fcfd1c88c3ad987e009b77fa77ba28d5

  • SHA512

    be60f5bfc5d26bd125f720efad7fc3a61e95018532015e7c2d37ee5b63e8d6dfdc4b1cd5a4f9ebfc9016b097e4b553d3119a6656d5934046d2e4d6e4851851ef

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0E:jDgtfRQUHPw06MoV2nwTBlhm88

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\0f4883add5ad4dd248834b1c9d9554f6fcfd1c88c3ad987e009b77fa77ba28d5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:328
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f4883add5ad4dd248834b1c9d9554f6fcfd1c88c3ad987e009b77fa77ba28d5.dll,#1
      2⤵
        PID:852

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/852-54-0x0000000000000000-mapping.dmp

    • memory/852-55-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

      Filesize

      8KB