Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 00:05

General

  • Target

    7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461.dll

  • Size

    869KB

  • MD5

    e63483bd8610fac14fb01ac749ab6bf6

  • SHA1

    801e4ac01ec5ec5ab69090cdf252f89e1943829a

  • SHA256

    7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461

  • SHA512

    3df285feb287d29bc7db0db0226cbfc3dc12873b24ff1192c48dd6a2f634b6388482fc2129bb1d71773c82fc1131d7c719384e66fb91503b18988f7bbae0b751

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0z:jDgtfRQUHPw06MoV2nwTBlhm8L

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7cbc3610be5a8d45772ede7a345d5d041b564f06c5172b33b4c21e7b106dc461.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2300

Network

MITRE ATT&CK Enterprise v15

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Downloads