Overview

overview

10

Static

static

10

Server.exe

windows7-x64

10

Server.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    1800s
  • max time network
    1795s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 19:48

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    deb54ef342e3a0ec27127a3e7d652d26

  • SHA1

    e06df21ee97e502b70dc7bde782eb74207903eda

  • SHA256

    9147c7836fe827450e7f0d66e8337fbd07928a0ea19f428db38657fbdffd2075

  • SHA512

    a0a3b05849e2601c35f41f5bd6a281c012e16dc496bb6f6037cfa539dc4dc2e3d1d5bd8fdcf782a800096682cd8969316913ebd226d07a8eb66025980ca48a3f

  • SSDEEP

    1536:z9PTr1IDavlZhbSKl9YdjEwzGi1dDUDSgS:z9PSDavlZIQmqi1da3

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • 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
  • 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 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 64 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:3668
    • C:\ProgramData\server.exe
      "C:\ProgramData\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • 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:808
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3316
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\ProgramData\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1788
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\server.exe
    Filesize

    93KB

    MD5

    deb54ef342e3a0ec27127a3e7d652d26

    SHA1

    e06df21ee97e502b70dc7bde782eb74207903eda

    SHA256

    9147c7836fe827450e7f0d66e8337fbd07928a0ea19f428db38657fbdffd2075

    SHA512

    a0a3b05849e2601c35f41f5bd6a281c012e16dc496bb6f6037cfa539dc4dc2e3d1d5bd8fdcf782a800096682cd8969316913ebd226d07a8eb66025980ca48a3f

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\server.exe.log
    Filesize

    408B

    MD5

    661cab77d3b907e8057f2e689e995af3

    SHA1

    5d1a0ee9c5ee7a7a90d56d00c10dc0e679bee01c

    SHA256

    8f27f95ad7c09f2e05d7960e78ef8cd935c1262e9657883a75d70dcb877592d2

    SHA512

    2523b316bd79fed0e9b3d73f46959f3dfe270cf950f34bd9d49fe4113a2ae46d0cd00224d848bc40c0d8c55449e2dccc4b4278ba4809c0ca9ede1ac75673fc67

    Download Submit

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

    5B

    MD5

    bbcd2be775370c1e106e66d077a93f3b

    SHA1

    a44b6a98f30e3275fc304bc3b29e0eab8ae47f20

    SHA256

    a7aa76f137ba550c381cfb8e5195a01963ae49db167e1cd1e0a8b902ed81eda1

    SHA512

    bb6e0d1f24253a9525fd538debf8ca68eb7078cb8539140c184331a854ecdea192fbcc314c4154a0a474c9aec41a79efeb8150922454c3c9e71eeb5297ae2f72

    Download Submit

  • memory/808-14-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/808-16-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/808-39-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/808-40-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3668-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3668-1-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3668-2-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3668-15-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

    Download