Analysis

  • max time kernel
    118s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 11:15

General

  • Target

    PO-24-0146.exe

  • Size

    635KB

  • MD5

    97a1f463d7892e916c06e18e772be8ea

  • SHA1

    a9b8899a1f18739f90be637c4c9e5969a3bad0f8

  • SHA256

    4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c

  • SHA512

    ea6c51f72491ea7bebe2c8ee19d6672a83c946e9d7d564fc512d9e6a08055bc4728b0f08b135641622d8e4bbcd05f2b912418aed75302460367f311e47fe98ad

  • SSDEEP

    12288:ZtsZcDt2CkcMtutKe6KJnl0umT4aRZbzXBRb9ZPD4:MMofluLzmTLPPD4

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\PO-24-0146.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • 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\PO-24-0146.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIlwbG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94A1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2796
    • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
      2⤵
        PID:2368
      • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2004

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp94A1.tmp

            Filesize

            1KB

            MD5

            831e5e4bdf6e80af3e388f517a912a94

            SHA1

            8f5e4d2fa706e0ddd7d2ca883c6ae7efa720142e

            SHA256

            a5f1a0fa7c9a1455e1a96ae08d0866c6b9b684277b7c4c7cdeba2f6027de5562

            SHA512

            461857486bf1b52b41e7876f63d00f14397d05adba04cd82a3913e92b5fffee1b6204e39f49a8100678f3c8e67fd403b71c45399a6b5733920cb0112598da199

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\R9Q733Z72OZVGIAXXTC1.temp

            Filesize

            7KB

            MD5

            e1ca267db593f7e6ae38e7693d2890d7

            SHA1

            ecad9531bdde978972f61f57e7bb5cadb2244d43

            SHA256

            bfd790bc68db3429cfc118dab05dc8bf97e75a797855f363c3a6408c0def9205

            SHA512

            591fd0a059953a96f74962c21d7d8d82b502f374adad9de9794e66295e4d112f615eaa9b5126105f3326d7b837f21dbf72d2df9f272397079664e7cc07ae9ebf

          • memory/2004-32-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2004-28-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2004-46-0x0000000074180000-0x000000007486E000-memory.dmp

            Filesize

            6.9MB

          • memory/2004-45-0x0000000004AE0000-0x0000000004B20000-memory.dmp

            Filesize

            256KB

          • memory/2004-30-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2004-41-0x0000000074180000-0x000000007486E000-memory.dmp

            Filesize

            6.9MB

          • memory/2004-40-0x0000000004AE0000-0x0000000004B20000-memory.dmp

            Filesize

            256KB

          • memory/2004-21-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2004-22-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2004-24-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2004-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2736-42-0x0000000002730000-0x0000000002770000-memory.dmp

            Filesize

            256KB

          • memory/2736-37-0x000000006DC50000-0x000000006E1FB000-memory.dmp

            Filesize

            5.7MB

          • memory/2736-43-0x000000006DC50000-0x000000006E1FB000-memory.dmp

            Filesize

            5.7MB

          • memory/2736-39-0x0000000002730000-0x0000000002770000-memory.dmp

            Filesize

            256KB

          • memory/2736-34-0x000000006DC50000-0x000000006E1FB000-memory.dmp

            Filesize

            5.7MB

          • memory/2836-35-0x000000006DC50000-0x000000006E1FB000-memory.dmp

            Filesize

            5.7MB

          • memory/2836-36-0x0000000002490000-0x00000000024D0000-memory.dmp

            Filesize

            256KB

          • memory/2836-38-0x000000006DC50000-0x000000006E1FB000-memory.dmp

            Filesize

            5.7MB

          • memory/2836-44-0x000000006DC50000-0x000000006E1FB000-memory.dmp

            Filesize

            5.7MB

          • memory/2976-3-0x0000000000410000-0x0000000000424000-memory.dmp

            Filesize

            80KB

          • memory/2976-1-0x0000000074180000-0x000000007486E000-memory.dmp

            Filesize

            6.9MB

          • memory/2976-6-0x0000000004EB0000-0x0000000004F32000-memory.dmp

            Filesize

            520KB

          • memory/2976-2-0x0000000004B10000-0x0000000004B50000-memory.dmp

            Filesize

            256KB

          • memory/2976-33-0x0000000074180000-0x000000007486E000-memory.dmp

            Filesize

            6.9MB

          • memory/2976-0-0x0000000000D20000-0x0000000000DC6000-memory.dmp

            Filesize

            664KB

          • memory/2976-5-0x00000000005D0000-0x00000000005DC000-memory.dmp

            Filesize

            48KB

          • memory/2976-4-0x00000000005C0000-0x00000000005CA000-memory.dmp

            Filesize

            40KB