Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 04:54

General

  • Target

    9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe

  • Size

    59KB

  • MD5

    d441db7f8d53a25cc5c6c54b973778a0

  • SHA1

    fef8d33d97a5dea872b87e4704d3f1a4da9a4c97

  • SHA256

    9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1e

  • SHA512

    92d8fd36e4a9941fcf25e20aabd31f3db7c1a4d6ec377b04bd7ec34c724585549e341022a5faa86f3655830d015dc543d01350b37719a46137fd97cbe969e47c

  • SSDEEP

    1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQT:OeodiUO4p13b9HiIeoutuh1aQT

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • UPX packed file 7 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe
    "C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\ProgramData\AhnLab\AhnSvc.exe
      "C:\ProgramData\AhnLab\AhnSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2184
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2028

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \ProgramData\AhnLab\AhnSvc.exe

          Filesize

          59KB

          MD5

          d9615edf9e93a4ad2204ba24349f633e

          SHA1

          05ecc75b6c9664950d9140fbc815fc9619477de6

          SHA256

          da0e491bb35b9e1908c6a4df7e76ef1cde139cf3460616fb628cba05f32334ca

          SHA512

          7c920e05e6d1693e9186ed004f68c5bc34d48b89062dc042997c47fcb7732e9a24cbce8b89b534e239d9693e8c1b61474b8cb896c9248fc0bde3895b9f4b9a42

        • memory/1392-0-0x0000000000FC0000-0x0000000000FE7000-memory.dmp

          Filesize

          156KB

        • memory/1392-10-0x0000000000140000-0x0000000000167000-memory.dmp

          Filesize

          156KB

        • memory/1392-9-0x0000000000140000-0x0000000000167000-memory.dmp

          Filesize

          156KB

        • memory/1392-12-0x0000000000FC0000-0x0000000000FE7000-memory.dmp

          Filesize

          156KB

        • memory/1392-13-0x0000000000140000-0x0000000000167000-memory.dmp

          Filesize

          156KB

        • memory/1392-22-0x0000000000FC0000-0x0000000000FE7000-memory.dmp

          Filesize

          156KB

        • memory/2184-11-0x0000000000A70000-0x0000000000A97000-memory.dmp

          Filesize

          156KB

        • memory/2184-14-0x0000000000A70000-0x0000000000A97000-memory.dmp

          Filesize

          156KB

        • memory/2184-18-0x0000000000A70000-0x0000000000A97000-memory.dmp

          Filesize

          156KB