Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 02:57

General

  • Target

    9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe

  • Size

    59KB

  • MD5

    f07609d1a6f7fa4ba49a665f263bfcb0

  • SHA1

    71003abc78404a765d2c80800ba471fc7c3565d0

  • SHA256

    9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082

  • SHA512

    d62b81db5f4314efe9879efa05d5345f42d38ef603321b8020e90489cb225e82696ecf40dc53c0b471356c113e2d14e1edac3fde941931f8cc61997fe551a2ac

  • SSDEEP

    1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQH:OeodiUO4p13b9HiIeoutuh1aQH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 6 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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe
    "C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\ProgramData\AhnLab\AhnSvc.exe
      "C:\ProgramData\AhnLab\AhnSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\9a64aeea1f2fc2a1811b3598b4e2c166d69bd044663d81b70be196b37c5b0082N.exe" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1260

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\AhnLab\AhnSvc.exe

          Filesize

          59KB

          MD5

          8e2905b8823c58c7764c432e0f2c0a38

          SHA1

          70c64ac0458d3138a0d439ab800febd52397f96b

          SHA256

          4509fe0dc17855f5fcb0492b4c25060a3506e6912b3a44a79559d88ccfcc4ee2

          SHA512

          d047d17ad41cc687c4f658431632e37b522f44285ad2c6be848dee6b3cec257e69bb667f092b51e46e6c06889803ca4c6291462f96ed4e0743f03e47fc3beafb

        • memory/2536-4-0x0000000000840000-0x0000000000867000-memory.dmp

          Filesize

          156KB

        • memory/2536-10-0x0000000000840000-0x0000000000867000-memory.dmp

          Filesize

          156KB

        • memory/2536-11-0x0000000000840000-0x0000000000867000-memory.dmp

          Filesize

          156KB

        • memory/5008-0-0x0000000000260000-0x0000000000287000-memory.dmp

          Filesize

          156KB

        • memory/5008-9-0x0000000000260000-0x0000000000287000-memory.dmp

          Filesize

          156KB