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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2024, 23:00 UTC

General

  • Target

    6b037f5e5d25aa075ca584773e1c855ffcd14c0dd8634027e1900231d2762f6cN.dll

  • Size

    869KB

  • MD5

    ce633228dbc41885e4f1b2c79dd3ca90

  • SHA1

    3e8138ac9a63e0a5ebd2f70c296a1596f81f81d3

  • SHA256

    6b037f5e5d25aa075ca584773e1c855ffcd14c0dd8634027e1900231d2762f6c

  • SHA512

    63d372f6b3cc96c6cdece26dad6d4cbb5d13e7b911221727aed4b9c7a6d3ea80c20077e4170751df8ed550046a2315d0d41cb3d506fb4a2c88d0cb16ceb746f2

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm8Y

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\6b037f5e5d25aa075ca584773e1c855ffcd14c0dd8634027e1900231d2762f6cN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b037f5e5d25aa075ca584773e1c855ffcd14c0dd8634027e1900231d2762f6cN.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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