Analysis

  • max time kernel
    111s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 03:27

General

  • Target

    f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe

  • Size

    66KB

  • MD5

    bb6fc62c1ca58e441e45aafa76e53343

  • SHA1

    f4bf169caad0bc94e5d951b42b0884b20a67a7fa

  • SHA256

    f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190

  • SHA512

    87c388f703c8d3147a552faaec88a8630d7e87f018574082780a39b78b0927b0040a1712e250951353a37693d0de8033f2df64d12eb4bc4794c8c9af96d142e7

  • SSDEEP

    768:ZrItKyw5WHXfQIhIiIk9ecAaVPD96KyXm7:Zr3Z5IfQIR81ad5yXm7

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe
    "C:\Users\Admin\AppData\Local\Temp\f2f0f69bd7deca111709ddc3bd63de85ed9c9b0a5d92cf4311e5e553d7813190.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\lyghost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4516
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F2F0F6~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3440
  • C:\Windows\Debug\lyghost.exe
    C:\Windows\Debug\lyghost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\lyghost.exe

    Filesize

    66KB

    MD5

    7d4efb81f2da8a1858dbcf3e2583cda4

    SHA1

    05f0dc60948ab401366ba95df173ebe9f3ecc293

    SHA256

    797ec877c231b7336af6a70b0858574099b835458ef61142dbeb3836a86fa433

    SHA512

    01a9d6f34ebd57f8bb4fc111826efcc69b5ad89cc214048b43504526a270879b4dbe89400d9c4963989d0fd1df4f075608c1a0d5598c58b73e8a5df95d6eda09

  • memory/1172-6-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3312-0-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3312-5-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB