Analysis

  • max time kernel
    159s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:04

General

  • Target

    EQUIPMENT.exe

  • Size

    473KB

  • MD5

    be1e02d89056ec60ec8d7b5f8864653b

  • SHA1

    196b200b89ce79293301c0dda9339d652ac29a53

  • SHA256

    9bdd3c70630aa882e42e9a96e246f55de8e17cd38922527154165a0da3bf1510

  • SHA512

    ad18a86e5891aa968443befd4fcc29cc9bbdc5d20e5a1f1ad88b697f0f9082d4c1b726bef4262bd8b7cd8ca4ddb13d8a703d97bace5a9239e1f4a6c1572a21e9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    prince04

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    prince04

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EQUIPMENT.exe
    "C:\Users\Admin\AppData\Local\Temp\EQUIPMENT.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GLsiwEVechdkAG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7ACD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3864
    • C:\Users\Admin\AppData\Local\Temp\EQUIPMENT.exe
      "{path}"
      2⤵
        PID:1376
      • C:\Users\Admin\AppData\Local\Temp\EQUIPMENT.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2312
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:2032

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Data from Local System

      3
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        496B

        MD5

        cb76b18ebed3a9f05a14aed43d35fba6

        SHA1

        836a4b4e351846fca08b84149cb734cb59b8c0d6

        SHA256

        8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

        SHA512

        7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

      • C:\Users\Admin\AppData\Local\Temp\tmp7ACD.tmp
        Filesize

        1KB

        MD5

        441a64a18356b673674dc026367bf8d3

        SHA1

        8e214b395f31474740583f7130606659a83e910a

        SHA256

        e7d74ef17f36d96263a02e40d0bad95f633337851f7f66fa26979f110afc21c7

        SHA512

        09e965d3ba0cf10a2547b84211c8097f87633a25d0674543a64b04fc8a28211909604dbcfa9de7f95af6af730d9d0e23184c0afae035a46ebc376d03ee8af6a8

      • memory/1376-133-0x0000000000000000-mapping.dmp
      • memory/1848-130-0x0000000074BC0000-0x0000000075171000-memory.dmp
        Filesize

        5.7MB

      • memory/2032-138-0x0000000000000000-mapping.dmp
      • memory/2312-134-0x0000000000000000-mapping.dmp
      • memory/2312-135-0x0000000000400000-0x0000000000450000-memory.dmp
        Filesize

        320KB

      • memory/2312-137-0x0000000074BC0000-0x0000000075171000-memory.dmp
        Filesize

        5.7MB

      • memory/3864-131-0x0000000000000000-mapping.dmp