Overview

overview

10

Static

static

10

Server.exe

windows7-x64

Server.exe

windows10-2004-x64

8

Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2024 16:13

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General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    77e8ae03f54ed1ce413314dbb8e00435

  • SHA1

    398ce9204237c30280dce2f3d6cfed34946383c0

  • SHA256

    430d6a10f2a37a3a8957e5fabfda4f3c7fa9af76bc4b2c020638f023e06f0267

  • SHA512

    6a679cd51e75ed9374cd17da763f180fd370e7d86fa88475a75eb1b07bd4f0e4f72b4fdf006345af3c0086a1978a358ade19a3ca422d892e41c3d0a47032b159

  • SSDEEP

    768:gY3wI7yZnDQMMpAZrGSt6udttXy4sahkGJiXxrjEtCdnl2pi1Rz4Rk3wsGdpTgS7:II+ZD3rGWNd7dhkhjEwzGi1dDoDTgS

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 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 9 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 5 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1416
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4468
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3504
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    5B

    MD5

    bbcd2be775370c1e106e66d077a93f3b

    SHA1

    a44b6a98f30e3275fc304bc3b29e0eab8ae47f20

    SHA256

    a7aa76f137ba550c381cfb8e5195a01963ae49db167e1cd1e0a8b902ed81eda1

    SHA512

    bb6e0d1f24253a9525fd538debf8ca68eb7078cb8539140c184331a854ecdea192fbcc314c4154a0a474c9aec41a79efeb8150922454c3c9e71eeb5297ae2f72

    Download Submit

  • C:\Users\Admin\AppData\Roaming\server.exe
    Filesize

    93KB

    MD5

    77e8ae03f54ed1ce413314dbb8e00435

    SHA1

    398ce9204237c30280dce2f3d6cfed34946383c0

    SHA256

    430d6a10f2a37a3a8957e5fabfda4f3c7fa9af76bc4b2c020638f023e06f0267

    SHA512

    6a679cd51e75ed9374cd17da763f180fd370e7d86fa88475a75eb1b07bd4f0e4f72b4fdf006345af3c0086a1978a358ade19a3ca422d892e41c3d0a47032b159

    Download Submit

  • memory/1416-13-0x00000000750F0000-0x00000000756A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1416-24-0x00000000750F0000-0x00000000756A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1416-26-0x00000000750F0000-0x00000000756A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1416-25-0x00000000750F0000-0x00000000756A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2216-0-0x00000000750F2000-0x00000000750F3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2216-1-0x00000000750F0000-0x00000000756A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2216-2-0x00000000750F0000-0x00000000756A1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2216-14-0x00000000750F0000-0x00000000756A1000-memory.dmp

    Filesize

    5.7MB

    Download