Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 04:25

General

  • Target

    27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe

  • Size

    134KB

  • MD5

    990f22831d926266ea60fc313f9534a1

  • SHA1

    5e2687b3c46aac42fca92a7ba4d009f12b86e1a9

  • SHA256

    27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1

  • SHA512

    12af81fb69bd167848cd7f8bb5a71b2076f8e2237d3c3981c76cea3a3e4dd65475f166af66d97c78eaf934997f3059b9abe5b1f053f2c2c3db28fde1c415f09c

  • SSDEEP

    1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qr:riAyLN9aa+9U2rW1ip6pr2At7NZuQr

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 4 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe
    "C:\Users\Admin\AppData\Local\Temp\27c3c3332858f987703c95ebe6ee05929acb306f4358afab4432230a497dbeb1.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\ProgramData\Update\WwanSvc.exe
      "C:\ProgramData\Update\WwanSvc.exe" /run
      2⤵
      • Executes dropped EXE
      PID:780

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Update\WwanSvc.exe

          Filesize

          134KB

          MD5

          6044f64411e0ac9798ff8a2309b796af

          SHA1

          d5fa187d428af0e096faf6e421ab8d04f2ef8d8d

          SHA256

          4fb66f6260a73dbdc417a52ef9dd000aecd16b02e1c1f6cf8741ff2b4a8f1385

          SHA512

          579b6d9249d63b954eb015f6a68494ce241434f7e37c3f2ca23e4037ae0a6d548c936e671c6776028c37e264c62c472659f9fb47853880a718b328c96e7d81b1

        • memory/780-6-0x0000000000C10000-0x0000000000C38000-memory.dmp

          Filesize

          160KB

        • memory/3644-0-0x0000000000AE0000-0x0000000000B08000-memory.dmp

          Filesize

          160KB

        • memory/3644-5-0x0000000000AE0000-0x0000000000B08000-memory.dmp

          Filesize

          160KB