Analysis

  • max time kernel
    11s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:53

General

  • Target

    908c33ff27e37c9e9f90bb333eb10ed8990e432ffec2b9e71501357a108f33f2.dll

  • Size

    251KB

  • MD5

    b149c054688c5631390ea0529350c820

  • SHA1

    ce2498dbbaf2a63ae9de6f3b6a0573214448f206

  • SHA256

    908c33ff27e37c9e9f90bb333eb10ed8990e432ffec2b9e71501357a108f33f2

  • SHA512

    f8d3ccb5910d2f8730fa7485dea68edc364c8b0e21bab737b19c9a6eebf6e76f451dbb2f24b91fe8ffd7456d81276f9d2951b105664386c05537ededc9aeb04e

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0E:jDgtfRQUHPw06MoV2nwTBlhm8c

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\908c33ff27e37c9e9f90bb333eb10ed8990e432ffec2b9e71501357a108f33f2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\908c33ff27e37c9e9f90bb333eb10ed8990e432ffec2b9e71501357a108f33f2.dll,#1
      2⤵
        PID:1732

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1732-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

      Filesize

      8KB