Analysis

  • max time kernel
    132s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 21:20

General

  • Target

    155e9ce894eef64620a880f781c09ff8c920642c6e96a35b44ab9c011abc8694.dll

  • Size

    606KB

  • MD5

    90209afaf1036c1f0f241460b3078c20

  • SHA1

    53b993653dd3bf0d11c546304cfb599b17be4659

  • SHA256

    155e9ce894eef64620a880f781c09ff8c920642c6e96a35b44ab9c011abc8694

  • SHA512

    9c6e1592aaaab63050a1b2cf634ecb315647b735faf26d819cbf7f8d120ce4f1d8339369a2cad60dba658279f673720da954545d8aaabcc6d36dff228486525a

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0z:jDgtfRQUHPw06MoV2nwTBlhm87

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\155e9ce894eef64620a880f781c09ff8c920642c6e96a35b44ab9c011abc8694.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\155e9ce894eef64620a880f781c09ff8c920642c6e96a35b44ab9c011abc8694.dll,#1
      2⤵
        PID:4744

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4744-132-0x0000000000000000-mapping.dmp