Analysis

  • max time kernel
    114s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 13:01

General

  • Target
    Quotation 15630509627.exe
  • Size 660KB
  • Sample240403-p9j14adh45
  • SHA256 0ab7b1d8cbcae94f3609db67caaacaa8fd58ddb59a84801606be7d2b7187fd3d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.oceanskylogistics.in

  • Port

    587

  • Password

    Oce@n@1234

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation 15630509627.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation 15630509627.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Quotation 15630509627.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AwERaWeh.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AwERaWeh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67A3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3488
    • C:\Users\Admin\AppData\Local\Temp\Quotation 15630509627.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation 15630509627.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1988

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 9102a451c525d17c85eec899609403ad32d4911092945312e5d984b3fec8673d
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_clzx1xjr.d13.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_clzx1xjr.d13.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp67A3.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp67A3.tmp
        • Size 1KB
        • SHA256 46c5637d2e3963d3733c6d0e32a1eb7b6aa17a5e5048d25f6a0ee054053106c8
        • MD5 SHA1 SHA512

        memory/1988-98-0x00000000058D0000-0x00000000058E0000-memory.dmp

        memory/1988-97-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/1988-96-0x0000000006E80000-0x0000000006ED0000-memory.dmp

        memory/1988-49-0x00000000058D0000-0x00000000058E0000-memory.dmp

        memory/1988-37-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/1988-34-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3864-38-0x0000000006060000-0x00000000063B4000-memory.dmp

        memory/3864-66-0x0000000007440000-0x000000000745E000-memory.dmp

        memory/3864-16-0x00000000055B0000-0x0000000005BD8000-memory.dmp

        memory/3864-17-0x0000000004F70000-0x0000000004F80000-memory.dmp

        memory/3864-18-0x0000000004F70000-0x0000000004F80000-memory.dmp

        memory/3864-20-0x0000000005510000-0x0000000005532000-memory.dmp

        memory/3864-95-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/3864-14-0x0000000004F30000-0x0000000004F66000-memory.dmp

        memory/3864-88-0x0000000007B20000-0x0000000007B28000-memory.dmp

        memory/3864-86-0x0000000007A40000-0x0000000007A54000-memory.dmp

        memory/3864-85-0x0000000007A30000-0x0000000007A3E000-memory.dmp

        memory/3864-82-0x0000000007A80000-0x0000000007B16000-memory.dmp

        memory/3864-35-0x0000000005FF0000-0x0000000006056000-memory.dmp

        memory/3864-29-0x0000000005E10000-0x0000000005E76000-memory.dmp

        memory/3864-81-0x0000000007870000-0x000000000787A000-memory.dmp

        memory/3864-80-0x0000000007800000-0x000000000781A000-memory.dmp

        memory/3864-78-0x00000000076C0000-0x0000000007763000-memory.dmp

        memory/3864-77-0x0000000004F70000-0x0000000004F80000-memory.dmp

        memory/3864-15-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/3864-51-0x0000000006520000-0x000000000656C000-memory.dmp

        memory/3864-52-0x0000000007480000-0x00000000074B2000-memory.dmp

        memory/3864-53-0x000000007F750000-0x000000007F760000-memory.dmp

        memory/3864-54-0x0000000071190000-0x00000000711DC000-memory.dmp

        memory/3992-9-0x0000000009910000-0x00000000099AC000-memory.dmp

        memory/3992-0-0x0000000000EA0000-0x0000000000F4A000-memory.dmp

        memory/3992-6-0x0000000005BC0000-0x0000000005BDA000-memory.dmp

        memory/3992-1-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/3992-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

        memory/3992-3-0x0000000005930000-0x00000000059C2000-memory.dmp

        memory/3992-4-0x0000000005910000-0x0000000005920000-memory.dmp

        memory/3992-39-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/3992-7-0x0000000005BE0000-0x0000000005BEC000-memory.dmp

        memory/3992-8-0x00000000072D0000-0x0000000007354000-memory.dmp

        memory/3992-5-0x0000000005900000-0x000000000590A000-memory.dmp

        memory/4580-83-0x0000000006F20000-0x0000000006F31000-memory.dmp

        memory/4580-23-0x0000000004790000-0x00000000047A0000-memory.dmp

        memory/4580-87-0x0000000007060000-0x000000000707A000-memory.dmp

        memory/4580-22-0x0000000004790000-0x00000000047A0000-memory.dmp

        memory/4580-91-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/4580-50-0x0000000005470000-0x000000000548E000-memory.dmp

        memory/4580-79-0x0000000007360000-0x00000000079DA000-memory.dmp

        memory/4580-21-0x0000000074AC0000-0x0000000075270000-memory.dmp

        memory/4580-55-0x0000000071190000-0x00000000711DC000-memory.dmp

        memory/4580-56-0x000000007FC60000-0x000000007FC70000-memory.dmp

        memory/4580-75-0x0000000004790000-0x00000000047A0000-memory.dmp