Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/03/2024, 11:13

General

  • Target
    BANK DETAILS___jpeg.exe
  • Size 649KB
  • Sample240320-nbd7hsfc64
  • SHA256 0a2d5142d03f0dd333f371e089c5f0d5fe8c3169e4ee78d7ca23b1472b2f7b48
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe
    "C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2168
    • 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\BANK DETAILS___jpeg.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RkYVIXPGgPVOP.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RkYVIXPGgPVOP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp499E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2788
    • C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe
      "C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"
      2⤵
        PID:2648
      • C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe
        "C:\Users\Admin\AppData\Local\Temp\BANK DETAILS___jpeg.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2816

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp499E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp499E.tmp
          • Size 1KB
          • SHA256 40ea35118a16fec2d3393840bf5929006248c84b6d5d7d5feaf588319b40113d
          • MD5 SHA1 SHA512

          d93f411851d7c929.customDestinations-ms

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
          • Size 7KB
          • SHA256 9188cee5a692500f0535f7f43493e994ce0333f49be154becf7369fa17a08713
          • MD5 SHA1 SHA512 SSDEEP

          memory/2076-38-0x00000000026B0000-0x00000000026F0000-memory.dmp

          memory/2076-24-0x00000000026B0000-0x00000000026F0000-memory.dmp

          memory/2076-28-0x000000006FA40000-0x000000006FFEB000-memory.dmp

          memory/2076-34-0x00000000026B0000-0x00000000026F0000-memory.dmp

          memory/2076-45-0x000000006FA40000-0x000000006FFEB000-memory.dmp

          memory/2076-22-0x000000006FA40000-0x000000006FFEB000-memory.dmp

          memory/2168-1-0x0000000074C90000-0x000000007537E000-memory.dmp

          memory/2168-2-0x0000000004C30000-0x0000000004C70000-memory.dmp

          memory/2168-6-0x00000000053F0000-0x0000000005472000-memory.dmp

          memory/2168-37-0x0000000074C90000-0x000000007537E000-memory.dmp

          memory/2168-3-0x0000000000370000-0x0000000000386000-memory.dmp

          memory/2168-0-0x0000000000A60000-0x0000000000B08000-memory.dmp

          memory/2168-5-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/2168-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

          memory/2292-20-0x000000006FA40000-0x000000006FFEB000-memory.dmp

          memory/2292-36-0x0000000002920000-0x0000000002960000-memory.dmp

          memory/2292-43-0x000000006FA40000-0x000000006FFEB000-memory.dmp

          memory/2292-32-0x0000000002920000-0x0000000002960000-memory.dmp

          memory/2292-30-0x000000006FA40000-0x000000006FFEB000-memory.dmp

          memory/2292-26-0x0000000002920000-0x0000000002960000-memory.dmp

          memory/2816-19-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2816-35-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2816-23-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2816-29-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2816-40-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2816-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          memory/2816-42-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2816-44-0x0000000074C90000-0x000000007537E000-memory.dmp

          memory/2816-27-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2816-46-0x0000000074C90000-0x000000007537E000-memory.dmp

          memory/2816-47-0x00000000049B0000-0x00000000049F0000-memory.dmp