Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 19:30

General

  • Target

    22fec6cbf94378c83c02cc24d8cfae5f22e9ed60addbf8f9f2507b35b4d002f7.dll

  • Size

    515KB

  • MD5

    4213f5e7a5f1638f13a8a41652b5055e

  • SHA1

    7c10369c5efba5dd74377cb09c572ad6a1169519

  • SHA256

    22fec6cbf94378c83c02cc24d8cfae5f22e9ed60addbf8f9f2507b35b4d002f7

  • SHA512

    da90b88f951b40727bb0539172aac2d0d31a955a3dbb9b5dcf78cd98ce345cacb72952c45807f33b096ecd95a82723a0880a9bde4a05a464cb1d4bd9006da050

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0O:jDgtfRQUHPw06MoV2nwTBlhm8m

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\22fec6cbf94378c83c02cc24d8cfae5f22e9ed60addbf8f9f2507b35b4d002f7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3144
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\22fec6cbf94378c83c02cc24d8cfae5f22e9ed60addbf8f9f2507b35b4d002f7.dll,#1
      2⤵
        PID:60

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads