Overview

overview

10

Static

static

Purchase Order.exe

windows7_x64

10

Purchase Order.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:44

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General

  • Target

    Purchase Order.exe

  • Size

    601KB

  • MD5

    8b622390bd7c3a881878b740857c506b

  • SHA1

    2f683c3dd410f542383eebfaa033dc3c47d1afec

  • SHA256

    7a53181aa1e3f435bf2036ddff15a7e8e3382bfceade53abd9f3a6e14ed2cf5b

  • SHA512

    73df2a62e0f389f4bcbae6b012ea0ba82bcc335a21746efcfd9f34d0d712249a743ea78d845e8d08abbf492ceb8471135af98489a2857630d8c5d3f60691a83b

Score
10/10
agentteslacollectionevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    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 data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4248
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YnvUZE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EA1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2628
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
      "{path}"
      2⤵
        PID:4664
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4492

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9EA1.tmp
      Filesize

      1KB

      MD5

      12dd62cd2a1d62aa27ce2dafc3e3850a

      SHA1

      8dc2919500c41846d430a8ca14321118af7ed9b2

      SHA256

      139979196fcf99680cc2adf4c6f9af19cdfc7c682a96da4013438bc93904e1f3

      SHA512

      172e65c768bc99845c0bd5e798cc01d014714a1100b7d8a15ec52951a4bc79dd605fd26cc9936a25ca7e012ecbeb87233d3c0fb3ac77dd1092625dcb96578580

      Download Submit
    • memory/2628-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4248-130-0x0000000074930000-0x0000000074EE1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4492-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4492-135-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4492-136-0x0000000074930000-0x0000000074EE1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4664-133-0x0000000000000000-mapping.dmp
      Download