Analysis

  • max time kernel
    54s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 12:56

General

  • Target

    261d4346c8135c7ae9ea2556281fa2846cc86138326d3e767ad12f18e32f72a2.dll

  • Size

    322KB

  • MD5

    79a9e642f531469c20d14d3445fc7040

  • SHA1

    e0b2e7e0b2ebb40826f293c4534e9c778ce29ed1

  • SHA256

    261d4346c8135c7ae9ea2556281fa2846cc86138326d3e767ad12f18e32f72a2

  • SHA512

    15f8bbfdca32d83ad5b4e4b53afc73d8ee619574b01fd04187e44fc5335ac235e8ba088256f6a39712e7bb4839192e7f746316ae1e4d28db48fec95529d5ed7c

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0+:jDgtfRQUHPw06MoV2nwTBlhm82

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\261d4346c8135c7ae9ea2556281fa2846cc86138326d3e767ad12f18e32f72a2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\261d4346c8135c7ae9ea2556281fa2846cc86138326d3e767ad12f18e32f72a2.dll,#1
      2⤵
        PID:4808

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads