Overview

overview

10

Static

static

10

svchost.exe

windows7-x64

10

svchost.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    60s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 04:27

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General

  • Target
    svchost.exe
  • Size 37KB
  • Sample240725-e27r3sydpl
  • SHA256 3588af722c9a76025bedf0cf8ea0da977652c57173cd9e360f1905c48a35f312
  • MD5 SHA1 SHA512 SSDEEP
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 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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 13 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4448
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4052

Network

        MITRE ATT&CK Enterprise v15

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Defense Evasion

        Impair Defenses

        1
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Modify Registry

        1
        T1112

        Credential Access

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        svchost.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\svchost.exe.log
        • Size 319B
        • SHA256 7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7
        • MD5 SHA1 SHA512
        Submit Download

        svchost.exe
        • Path C:\Users\Admin\AppData\Roaming\svchost.exe
        • Size 37KB
        • SHA256 3588af722c9a76025bedf0cf8ea0da977652c57173cd9e360f1905c48a35f312
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1672-14-0x0000000074870000-0x0000000074E21000-memory.dmp
        Download

        memory/1672-13-0x0000000074870000-0x0000000074E21000-memory.dmp
        Download

        memory/1672-16-0x0000000074870000-0x0000000074E21000-memory.dmp
        Download

        memory/4448-0-0x0000000074872000-0x0000000074873000-memory.dmp
        Download

        memory/4448-1-0x0000000074870000-0x0000000074E21000-memory.dmp
        Download

        memory/4448-12-0x0000000074870000-0x0000000074E21000-memory.dmp
        Download