Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2022 10:05

General

  • Target

    0a76d3b967011182aaf9fe15824eb5a2723d9226b89ff0c6285542bef35f998f.dll

  • Size

    543KB

  • MD5

    242b8913e26ae456d3d6316badd5e940

  • SHA1

    543cc2e09a39c24b760cc1abed3f018798f07b92

  • SHA256

    0a76d3b967011182aaf9fe15824eb5a2723d9226b89ff0c6285542bef35f998f

  • SHA512

    ad264abfa50ca10c6bbd2f34b04f88f39a775f197731a071eda5f829252728d48dcea8d839c2e307b48c1f8df68ceccb7d8517bb05dc5cade793f5650a060dca

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q02:jDgtfRQUHPw06MoV2nwTBlhm8e

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\0a76d3b967011182aaf9fe15824eb5a2723d9226b89ff0c6285542bef35f998f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a76d3b967011182aaf9fe15824eb5a2723d9226b89ff0c6285542bef35f998f.dll,#1
      2⤵
        PID:856

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/856-55-0x0000000075D01000-0x0000000075D03000-memory.dmp

      Filesize

      8KB