Analysis

  • max time kernel
    38s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2022 03:20

General

  • Target

    f50a4d586acebbef8b37a522fd78d3753d03c07beb43270ceab53869e547e8fa.dll

  • Size

    318KB

  • MD5

    0458405e64db4d636d7377248463a0f3

  • SHA1

    53b075c551d09da2d3f5369c1989fe50d6cada3c

  • SHA256

    f50a4d586acebbef8b37a522fd78d3753d03c07beb43270ceab53869e547e8fa

  • SHA512

    47462948544e2792fbb033c321fb1419363f56f80b22c94d5a7c9cf7870da6dec21f65124ec86737d6b0c79333df3b23f4849139ff4ade94cf25579cb48f27b7

  • SSDEEP

    3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDA:o6C5AXbMn7UI1FoV2gwTBlrIckPC

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\f50a4d586acebbef8b37a522fd78d3753d03c07beb43270ceab53869e547e8fa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f50a4d586acebbef8b37a522fd78d3753d03c07beb43270ceab53869e547e8fa.dll,#1
      2⤵
        PID:912

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/912-55-0x0000000076091000-0x0000000076093000-memory.dmp

      Filesize

      8KB