Analysis

  • max time kernel
    18s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 13:42

General

  • Target

    2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aaN.dll

  • Size

    807KB

  • MD5

    56d39666a7e11a4ba1304662893e4160

  • SHA1

    6fa71cf6bb9d873d4a837da7e1434957edca2d2d

  • SHA256

    2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aa

  • SHA512

    a6c022f664e9bf0928cf10e7d89ffd860426527ed0922a4ffd8baef41aa9ff211b68dad205819875c1a810569cd73ea9625ea6b8b8e03a5244224f3e4829b784

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYC:o6RI1Fo/wT3cJYYYYYYYYYYYYC

Malware Config

Signatures

  • Yunsip

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

  • Yunsip family
  • 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\2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aaN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c6719996548f9b424ade1fdd8831fea7ae5a3b1a9bb6528eea66f78cf4a58aaN.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2180

Network

MITRE ATT&CK Enterprise v15

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Downloads