Overview

overview

10

Static

static

7

Install.exe

windows7-x64

10

Install.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    315s
  • max time network
    428s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2023 17:49

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General

  • Target

    Install.exe

  • Size

    5.6MB

  • MD5

    e598585a24862a1e6030e0c17c6a92f8

  • SHA1

    efe83d17d8436ed360d3f1de1e60cfe06b49eec6

  • SHA256

    50daa67bbc7ec76d41bb37731ec56745ddc48cb4286c91b8779bb54b75764d4c

  • SHA512

    db382e3755f77740e84348ee4b87b7b8e6cdfae4c5c9093e43583741247da8925e399c589542159798f5336c564fb84473998be38db61d033a60d51487dce83f

  • SSDEEP

    98304:8iozxSj2ladX3VGTxTYB/y2oo67JFuv+WR+rw71p1iXx20gd0XfTP2mKq6e:8io8jaax3VoxMB/q7JIWWRgw7hiI0O0R

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 7 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 2 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 8 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:2480
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3920
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2252

      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/2480-132-0x0000000000730000-0x00000000013DD000-memory.dmp
        Filesize

        12.7MB

        Download
      • memory/2480-133-0x0000000000730000-0x00000000013DD000-memory.dmp
        Filesize

        12.7MB

        Download
      • memory/2480-138-0x0000000077110000-0x00000000772B3000-memory.dmp
        Filesize

        1.6MB

        Download
      • memory/2480-139-0x0000000000730000-0x00000000013DD000-memory.dmp
        Filesize

        12.7MB

        Download
      • memory/2480-140-0x0000000000730000-0x00000000013DD000-memory.dmp
        Filesize

        12.7MB

        Download
      • memory/2480-141-0x0000000000730000-0x00000000013DD000-memory.dmp
        Filesize

        12.7MB

        Download
      • memory/2480-142-0x0000000000730000-0x00000000013DD000-memory.dmp
        Filesize

        12.7MB

        Download
      • memory/2480-143-0x0000000000730000-0x00000000013DD000-memory.dmp
        Filesize

        12.7MB

        Download
      • memory/2480-144-0x0000000077110000-0x00000000772B3000-memory.dmp
        Filesize

        1.6MB

        Download