Analysis

  • max time kernel
    52s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:56

General

  • Target

    44133c3c35433e4f1a1b5a2007720a6885bd634a0118052815ab0470ef550934.dll

  • Size

    513KB

  • MD5

    b81d7779bd33d5f6daf3b705ab519120

  • SHA1

    b897293932ab68a0b6d081ceffb35acdbc87d2d4

  • SHA256

    44133c3c35433e4f1a1b5a2007720a6885bd634a0118052815ab0470ef550934

  • SHA512

    3c100591fce91233603515ef8ed9c04ae0540cebf81e92533dc3fb0203c9c546cda6b7e4692573b7d724b254fbc427c3dfe12aa7945e2dbe82cd0efd959a5e76

  • SSDEEP

    3072:oDKpt9sSR0HUHPwZWLnWVfEAzV2INwTBftZmc+z+f3Q0y:oDgtfRQUHPw06MoV2swTBlxm8q

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\44133c3c35433e4f1a1b5a2007720a6885bd634a0118052815ab0470ef550934.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44133c3c35433e4f1a1b5a2007720a6885bd634a0118052815ab0470ef550934.dll,#1
      2⤵
        PID:1692

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1692-55-0x00000000759C1000-0x00000000759C3000-memory.dmp

      Filesize

      8KB