Analysis

  • max time kernel
    23s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 04:31

General

  • Target

    bfe6093a922d5d15bedb12dcebd8539643f4ca4c85c1a3d855816ca5b91e0fcd.dll

  • Size

    401KB

  • MD5

    0c2195ffab3bd4a4186f3e23e8bec10d

  • SHA1

    96bd3be0a591872bc77ab9d03ca5c5ae300c3cdc

  • SHA256

    bfe6093a922d5d15bedb12dcebd8539643f4ca4c85c1a3d855816ca5b91e0fcd

  • SHA512

    a435bdda6ddb1af320621fff48e9cdcfc25ca4a9dbbbddd656676c549dbe98b07b1b2094422d429708c3b415fdebbe0a100ace4bb3f4981ffadbd37ed37a3409

  • SSDEEP

    3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDV:o6C5AXbMn7UI1FoV2gwTBlrIckPf

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\bfe6093a922d5d15bedb12dcebd8539643f4ca4c85c1a3d855816ca5b91e0fcd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfe6093a922d5d15bedb12dcebd8539643f4ca4c85c1a3d855816ca5b91e0fcd.dll,#1
      2⤵
        PID:988

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/988-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

      Filesize

      8KB