Analysis

  • max time kernel
    39s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/06/2024, 01:16

General

  • Target
    cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe
  • Size 731KB
  • Sample240615-bm7a8axfpp
  • SHA256 cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Looks up external IP address via web service 1 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe
    "C:\Users\Admin\AppData\Local\Temp\cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4268
    • 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\cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\spqqImwqI.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3132
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\spqqImwqI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84A1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:808
    • C:\Users\Admin\AppData\Local\Temp\cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe
      "C:\Users\Admin\AppData\Local\Temp\cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe"
      2⤵
        PID:2432
      • C:\Users\Admin\AppData\Local\Temp\cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe
        "C:\Users\Admin\AppData\Local\Temp\cb6b4a2e063ca43acda67b824e64fb8a6f41048b20a2d7b21c3a5fb1005370a9.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2444

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 6866155a632e829941e1752ab080d7dd597893af51461835de79bff0ce72d1ec
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_51c0gpub.vgk.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_51c0gpub.vgk.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp84A1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp84A1.tmp
          • Size 1KB
          • SHA256 fb69e943dc25d01bfcd3470dbc7cf0f92c2a0ac6c1299da39d32e3449264e1e8
          • MD5 SHA1 SHA512

          memory/2416-73-0x0000000007CE0000-0x000000000835A000-memory.dmp

          memory/2416-16-0x00000000055B0000-0x0000000005BD8000-memory.dmp

          memory/2416-21-0x00000000054D0000-0x00000000054F2000-memory.dmp

          memory/2416-88-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/2416-80-0x00000000079D0000-0x00000000079EA000-memory.dmp

          memory/2416-74-0x0000000007690000-0x00000000076AA000-memory.dmp

          memory/2416-14-0x0000000002A40000-0x0000000002A76000-memory.dmp

          memory/2416-29-0x0000000005D70000-0x00000000060C4000-memory.dmp

          memory/2416-17-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/2416-15-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/2416-18-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/2416-63-0x000000006F900000-0x000000006F94C000-memory.dmp

          memory/2416-22-0x0000000005BE0000-0x0000000005C46000-memory.dmp

          memory/2416-23-0x0000000005D00000-0x0000000005D66000-memory.dmp

          memory/2444-44-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2444-89-0x0000000006EC0000-0x0000000006F10000-memory.dmp

          memory/3132-75-0x0000000007120000-0x000000000712A000-memory.dmp

          memory/3132-79-0x00000000072E0000-0x00000000072F4000-memory.dmp

          memory/3132-43-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/3132-87-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/3132-81-0x00000000073C0000-0x00000000073C8000-memory.dmp

          memory/3132-49-0x0000000006270000-0x00000000062BC000-memory.dmp

          memory/3132-20-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/3132-46-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/3132-51-0x000000006F900000-0x000000006F94C000-memory.dmp

          memory/3132-50-0x0000000006310000-0x0000000006342000-memory.dmp

          memory/3132-61-0x00000000062E0000-0x00000000062FE000-memory.dmp

          memory/3132-62-0x0000000006F50000-0x0000000006FF3000-memory.dmp

          memory/3132-78-0x00000000072D0000-0x00000000072DE000-memory.dmp

          memory/3132-77-0x00000000072A0000-0x00000000072B1000-memory.dmp

          memory/3132-76-0x0000000007320000-0x00000000073B6000-memory.dmp

          memory/3132-47-0x0000000005D60000-0x0000000005D7E000-memory.dmp

          memory/4268-9-0x00000000068E0000-0x0000000006962000-memory.dmp

          memory/4268-0-0x000000007495E000-0x000000007495F000-memory.dmp

          memory/4268-4-0x0000000005010000-0x000000000501A000-memory.dmp

          memory/4268-48-0x0000000074950000-0x0000000075100000-memory.dmp

          memory/4268-8-0x00000000050F0000-0x0000000005100000-memory.dmp

          memory/4268-6-0x0000000005100000-0x000000000519C000-memory.dmp

          memory/4268-2-0x0000000005400000-0x00000000059A4000-memory.dmp

          memory/4268-1-0x00000000003B0000-0x000000000046A000-memory.dmp

          memory/4268-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

          memory/4268-7-0x00000000053D0000-0x00000000053EA000-memory.dmp

          memory/4268-5-0x0000000074950000-0x0000000075100000-memory.dmp