Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    15-10-2023 14:56

General

  • Target

    9326e9aec382263a34568f5da922f7f0_dll32_JC.dll

  • Size

    188KB

  • MD5

    9326e9aec382263a34568f5da922f7f0

  • SHA1

    0811c485fece6187ca74bb02adda7cb004e44b4e

  • SHA256

    ddd53a5c34d130fe228395e42cd2734f2af07abbbce2e75909ab4e155e26ec6f

  • SHA512

    918839578801752b3bb3e59dff3041a4a642263e60e14ec4ff2e0429bb44dd7c334c55dae352baebe7c5e47a67e785675cdb29ff0e8c71bf3f99fe0560cb2cdd

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Z:jDgtfRQUHPw06MoV2nwTBlhm8x

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\9326e9aec382263a34568f5da922f7f0_dll32_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9326e9aec382263a34568f5da922f7f0_dll32_JC.dll,#1
      2⤵
        PID:1708

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads