Analysis

  • max time kernel
    36s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 17:21

General

  • Target

    076b28040f878e98a268316aef841e2d8d74953bd5ec56758f3bd52f9e160f47.dll

  • Size

    241KB

  • MD5

    2037bd20c7e77dcf9592544793a56c3d

  • SHA1

    ce459ef044a2bb1afbc96a60a13954bd6e575c4b

  • SHA256

    076b28040f878e98a268316aef841e2d8d74953bd5ec56758f3bd52f9e160f47

  • SHA512

    7f6328557858fc4fd58e25c9cda49643f784631b42799ecbb7775f88c185c37e098ccd33f4ea486642a2513e01819d5eea14319b2ca11758ca35dce5ffa4111c

  • SSDEEP

    3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDf:o6C5AXbMn7UI1FoV2gwTBlrIckPx

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\076b28040f878e98a268316aef841e2d8d74953bd5ec56758f3bd52f9e160f47.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\076b28040f878e98a268316aef841e2d8d74953bd5ec56758f3bd52f9e160f47.dll,#1
      2⤵
        PID:1964

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1964-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

      Filesize

      8KB