Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 12:57

General

  • Target

    04a12d497ace69ad856530c90a4757521792face690c7816e6a3e11a893d2e53.dll

  • Size

    573KB

  • MD5

    377b978ff7fdb875ffc57443cb807ac0

  • SHA1

    6421e9be8c629a141643cf55319a938ddcb6000a

  • SHA256

    04a12d497ace69ad856530c90a4757521792face690c7816e6a3e11a893d2e53

  • SHA512

    7f03a47656dd79f609fb194caf78200bfab27f5d852a4727db77cd270e389a83db791923926d8c753f8c9b0f1bdfafa844429f76e3deeed0ef571cf39fdd7864

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0H:jDgtfRQUHPw06MoV2nwTBlhm8/

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\04a12d497ace69ad856530c90a4757521792face690c7816e6a3e11a893d2e53.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\04a12d497ace69ad856530c90a4757521792face690c7816e6a3e11a893d2e53.dll,#1
      2⤵
        PID:4828

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4828-132-0x0000000000000000-mapping.dmp