Analysis

  • max time kernel
    145s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 08:46

General

  • Target

    3849dbb0e89b780d356ba3ef06e2a7aea39f38d641725b755c504dc0fece8080.dll

  • Size

    616KB

  • MD5

    f63c8727f8f1c11ccaee4322af2e2b50

  • SHA1

    83e309aa2994a80a234d4f34f31814a46732540a

  • SHA256

    3849dbb0e89b780d356ba3ef06e2a7aea39f38d641725b755c504dc0fece8080

  • SHA512

    01bcc8dfa7e476cbc7cebd4837c0500d3c4b000070dced5d9d25f98e5a719fe5f83552e84e3e21e11dac0eee8216bd9888b494aecd33584a52b2247ddbb2c51a

  • SSDEEP

    3072:oDKpt9sSR0HUHPwZWLnWVfEAzV2INwTBftZmc+z+f3Q00:oDgtfRQUHPw06MoV2swTBlxm88

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\3849dbb0e89b780d356ba3ef06e2a7aea39f38d641725b755c504dc0fece8080.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3849dbb0e89b780d356ba3ef06e2a7aea39f38d641725b755c504dc0fece8080.dll,#1
      2⤵
        PID:3624

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads