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Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 08:55

General

  • Target

    PROFORMA FATURA.exe

  • Size

    804KB

  • MD5

    49c53c3c0868699a9cbe2ef3d5bfcb8e

  • SHA1

    3113b54138af9199fd97f96a42542541b6a8fdb3

  • SHA256

    0ad205b2d883bca56250246f308228379c27f6114d8b740014deeef53b3412bb

  • SHA512

    2a3a51767f4409a70e5fff84468a0aebd2eb7ea200f09aebdb2fb70274a4d25fa05c15e1194d4cbd3fe83d060d53aa4a584ae6449977af63d142b9d3ec82e7e3

  • SSDEEP

    12288:DrG4eUyzwoF6w7g9vZ7Bw6/992kJ9TaRdxkYv8HrAvTmeXNig8g7N5hkR:WvUClwR7BVvRJ9GOted77Ni

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.

  • 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 3 TTPs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe
    "C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • 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\PROFORMA FATURA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GvgUQlbRIXOe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GvgUQlbRIXOe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1584.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2768
    • C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe
      "C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe"
      2⤵
        PID:2724
      • C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe
        "C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe"
        2⤵
          PID:1940
        • C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe
          "C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2904

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp1584.tmp

        Filesize

        1KB

        MD5

        ac5d02e7e5926109efe03c99a38c8149

        SHA1

        51a3d3cd3c7e792c1f2e3b7e8b053975460eab61

        SHA256

        fdb223df2a1b4e4e72f3d31ede370792f4a0630a96ffc5115c27e01d0fd80f57

        SHA512

        d26ffd98600c22e035fd20bc3d006ab10164bde787cbaa2b74713455469aed9f1e595a65f7ea970d2b7da3c2392b2509f2d2e809d1b9766dc52d4c62d522b547

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

        Filesize

        7KB

        MD5

        0a13b48148ac9a77e7f01c0b40ec6d15

        SHA1

        ea474bfa226e57d92c70dc512379eaa5bf61b8d3

        SHA256

        ca54a75793a90de320195718c194c972bba2c70615307c0658441255f15c4a50

        SHA512

        03cb3be096d5ed98de746f93d3d18eaf0c79cc3fc425182ce00807b25640a2da8219ef4f24dfa3a1a3e9c1c276a62c5be4c264b080a34ee507875f96ab16abfd

      • memory/2360-4-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

        Filesize

        4KB

      • memory/2360-31-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2360-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

        Filesize

        4KB

      • memory/2360-5-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2360-6-0x00000000003B0000-0x0000000000434000-memory.dmp

        Filesize

        528KB

      • memory/2360-2-0x0000000073F80000-0x000000007466E000-memory.dmp

        Filesize

        6.9MB

      • memory/2360-1-0x0000000000A30000-0x0000000000AFC000-memory.dmp

        Filesize

        816KB

      • memory/2360-3-0x0000000000350000-0x000000000036E000-memory.dmp

        Filesize

        120KB

      • memory/2904-19-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2904-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2904-29-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2904-30-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2904-28-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2904-25-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2904-23-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2904-21-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB