Overview

overview

10

Static

static

7

Install.exe

windows7-x64

10

Install.exe

windows10-2004-x64

10

langs/Hungarian.ps1

windows7-x64

1

langs/Hungarian.ps1

windows10-2004-x64

1

langs/Korean.ps1

windows7-x64

1

langs/Korean.ps1

windows10-2004-x64

1

Analysis

  • max time kernel
    156s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2022 11:09

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General

  • Target

    Install.exe

  • Size

    435.0MB

  • MD5

    2a27acc2f6b26b15d6d839d43a6b6bc0

  • SHA1

    661dca9bd343226ae54da0e21f12ef1e181b1776

  • SHA256

    006fd40f696d274a44535fcf35d6130445842b148115db48c5b859a8519cdc77

  • SHA512

    ebf8bfdf7529429a400ad39d473da0e43752c6cd16dffaadd067e38b3e0c9991664217d15931a73f7f78a0160cdbd4f5710699d2f293c1638ae8d1ed5f7940ee

  • SSDEEP

    98304:Ak/AHdxT8BEU8MkJwe65adTX4a2tYsUxKr76hwrrKqdSlwrWL:Ak/i8jkJjLd8a2UxIzGwyL

Score
10/10
privateloaderevasionloaderspywarestealerthemidatrojan

Malware Config

Signatures

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    loaderprivateloader
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1204
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:100
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:4400

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Privilege Escalation

      Defense Evasion

      Virtualization/Sandbox Evasion

      1
      T1497

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      3
      T1012

      Virtualization/Sandbox Evasion

      1
      T1497

      System Information Discovery

      3
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1204-132-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-133-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-134-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-135-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-136-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-137-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-139-0x0000000077730000-0x00000000778D3000-memory.dmp
        Filesize

        1.6MB

        Download
      • memory/1204-138-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-140-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-141-0x0000000000960000-0x000000000151C000-memory.dmp
        Filesize

        11.7MB

        Download
      • memory/1204-142-0x0000000077730000-0x00000000778D3000-memory.dmp
        Filesize

        1.6MB

        Download