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Overview

overview

10

Static

static

10

FpsOptimiz...ik.exe

windows7-x64

10

FpsOptimiz...ik.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/12/2024, 12:53

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General

  • Target

    FpsOptimizer_ByKartavik.exe

  • Size

    93KB

  • MD5

    0db33230bc1e881b68a31799335b53d9

  • SHA1

    f9f8eb1b71192000916de686b76c253acd8df57d

  • SHA256

    175698d488c8b8ec03b4647a3e183be501424b2cf353ae1edb1cdc16b7f8cb3f

  • SHA512

    e66d40aaca03d9302df5cb1cd5ed13b63fde98fd5b063d32c84e222e1eebd3b96cfb107010bf0ea2d04466b190d2f0a248ce018528948531d78c7fb58d176f16

  • SSDEEP

    768:YY3HepD9O/pBcxYsbae6GIXb9pDX2b9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3wFse:neLOx6baIa9RIj00ljEwzGi1dDODpgS

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FpsOptimizer_ByKartavik.exe
    "C:\Users\Admin\AppData\Local\Temp\FpsOptimizer_ByKartavik.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    93KB

    MD5

    0db33230bc1e881b68a31799335b53d9

    SHA1

    f9f8eb1b71192000916de686b76c253acd8df57d

    SHA256

    175698d488c8b8ec03b4647a3e183be501424b2cf353ae1edb1cdc16b7f8cb3f

    SHA512

    e66d40aaca03d9302df5cb1cd5ed13b63fde98fd5b063d32c84e222e1eebd3b96cfb107010bf0ea2d04466b190d2f0a248ce018528948531d78c7fb58d176f16

    Download Submit

  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    5B

    MD5

    c60feebd511c87b86dea130692995a0f

    SHA1

    d64447a8b3d8949cab5a1f8d168f7c6fee6b6a0a

    SHA256

    632994320c04707e7ef564b3e983a694170561659552a24dfe14a922dcf0f511

    SHA512

    bf03fbf3329c6f7a21ecd620319ef1a6f676b22a27afd24aab546483c3fe5f6eee7bbcfdc14c5f6626957f2b96519bdd21aaea45d74a80253fa4220c8c12df7c

    Download Submit

  • memory/2024-14-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2024-15-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2024-50-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2024-52-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2024-51-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5004-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/5004-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5004-2-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/5004-13-0x0000000074CD0000-0x0000000075281000-memory.dmp

    Filesize

    5.7MB

    Download