Analysis

  • max time kernel
    92s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 04:38

General

  • Target

    0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff.dll

  • Size

    767KB

  • MD5

    52ae95d8c9351b3d13de73ba4390535f

  • SHA1

    8906cf5e0935da34917de6d1f223f76c496e56c1

  • SHA256

    0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff

  • SHA512

    c6744cb4a9c27b166a6f50c974796c008ced7cfb590024a47705ec417e2c13002908b2196fd5e665ee9e8b57245a8ca9609d47e000448e97305608b3c12c52b1

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0M:jDgtfRQUHPw06MoV2nwTBlhm8E

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c1cf4f6f5c5361775d16bb5fb740a1d3df84b40eec577578a7ffe2f70dc9cff.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2204

Network

MITRE ATT&CK Enterprise v15

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Downloads