Analysis

  • max time kernel
    90s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 12:56

General

  • Target

    2c082620052e23103d132577370649b78999baf14c2e700fc2b15fd97392528e.dll

  • Size

    458KB

  • MD5

    67a104ae93cf65d9842626f328193170

  • SHA1

    ce7caad9161fffa99694e2b855a914df1fdb87c9

  • SHA256

    2c082620052e23103d132577370649b78999baf14c2e700fc2b15fd97392528e

  • SHA512

    7e0764896bc7d3f06677705604efd8aa06e76264ba710e3cb8e8e6a0594aed108276aaecfba86182ce33af63b08b52dce6d1c0a00835e2575277f4f3b683f660

  • SSDEEP

    3072:oDKpt9sSR0HUHPwZWLnWVfEAzV2INwTBftZmc+z+f3Q02:oDgtfRQUHPw06MoV2swTBlxm8O

Score
10/10

Malware Config

Signatures

  • Yunsip

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c082620052e23103d132577370649b78999baf14c2e700fc2b15fd97392528e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c082620052e23103d132577370649b78999baf14c2e700fc2b15fd97392528e.dll,#1
      2⤵
        PID:652

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/652-132-0x0000000000000000-mapping.dmp