Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2022 08:56

General

  • Target

    2c60bd1356194c5d505fa408265b75bc1f501057b1f74ce445317b981a9280e0.dll

  • Size

    239KB

  • MD5

    07055f944d0504adfdd49c314dce0b78

  • SHA1

    75e4a6d05f1a4830857c1502ea5548beab6f7882

  • SHA256

    2c60bd1356194c5d505fa408265b75bc1f501057b1f74ce445317b981a9280e0

  • SHA512

    410e4f5cfab3ccd941eb94b74dbff43ff76ab7f3a12880b7ca50fcb89d564c1cf48631a540ea70bcaf8042072333d93685eb2c3cd032e24b153697ac9c8fcd81

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0G:jDgtfRQUHPw06MoV2nwTBlhm8u

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\2c60bd1356194c5d505fa408265b75bc1f501057b1f74ce445317b981a9280e0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c60bd1356194c5d505fa408265b75bc1f501057b1f74ce445317b981a9280e0.dll,#1
      2⤵
        PID:628

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/628-132-0x0000000000000000-mapping.dmp