Analysis

  • max time kernel
    37s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:55

General

  • Target

    679fcb9463812c1a59797720fbf782de23d20f54bdc428c81f944d45dafe7d93.dll

  • Size

    415KB

  • MD5

    653a8bd55403924a859c426ff4b77d70

  • SHA1

    20af63e067dee257783bab7396641a188107193e

  • SHA256

    679fcb9463812c1a59797720fbf782de23d20f54bdc428c81f944d45dafe7d93

  • SHA512

    1a58174b52120673d85876f5e85aee9411029c21bc2cc05c562726e94a6eb10f14bb9f5720e7f5410c50109e5bd9e821a4487050a28b88af4911faf5ba8ab68f

  • SSDEEP

    3072:oDKpt9sSR0HUHPwZWLnWVfEAzV2INwTBftZmc+z+f3Q0e:oDgtfRQUHPw06MoV2swTBlxm8W

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\679fcb9463812c1a59797720fbf782de23d20f54bdc428c81f944d45dafe7d93.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\679fcb9463812c1a59797720fbf782de23d20f54bdc428c81f944d45dafe7d93.dll,#1
      2⤵
        PID:1944

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1944-55-0x0000000075451000-0x0000000075453000-memory.dmp

      Filesize

      8KB