Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:13

General

  • Target

    84882e01b7e66e2cc7ce049292cc4e60510a0e31afd579d9b3fcdafd7b760415.exe

  • Size

    797KB

  • MD5

    bee2fd58a1adfba6bb5ba888930877c1

  • SHA1

    1a71fdb0c64f16b01e4672e2a0571ba5b7f81736

  • SHA256

    84882e01b7e66e2cc7ce049292cc4e60510a0e31afd579d9b3fcdafd7b760415

  • SHA512

    91098f19d2244f3c73a5f75c5469b435fe32880732336824f7db288c4d062b7d61af478eea531cbee378b4d5d61c45d71b94b91f418ad554df5aaf2064a72fbb

  • SSDEEP

    24576:6tD/614lC1Wr7qlH+U59JOe9xX+SP9kI:O6alCEr7MHJJOeB9

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84882e01b7e66e2cc7ce049292cc4e60510a0e31afd579d9b3fcdafd7b760415.exe
    "C:\Users\Admin\AppData\Local\Temp\84882e01b7e66e2cc7ce049292cc4e60510a0e31afd579d9b3fcdafd7b760415.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lpnPctpbSWIk.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3000
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lpnPctpbSWIk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46FF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2140
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2676
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2692
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2716

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp46FF.tmp

        Filesize

        1KB

        MD5

        8bfbfd6b9e50cbd24d37379b0d40ff0a

        SHA1

        214559676bb6c0b6930587de32aad245f5ea64f7

        SHA256

        a5069001e8c0e42b149d6bace74177a18feb2d8ec69f7cdb7c81f9deb126be0e

        SHA512

        e8af5342b5d996eac66214c0b9b0a497c5e104a6412382df050d2956d4659171ac1932a23c2e9027a485a2cc1aec05d1bc99493ccd7af8c22b56a28718a74541

      • memory/2716-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2716-22-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2716-19-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2716-15-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2716-35-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

        Filesize

        256KB

      • memory/2716-34-0x0000000073F60000-0x000000007464E000-memory.dmp

        Filesize

        6.9MB

      • memory/2716-32-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2716-30-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2716-28-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2716-24-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2716-38-0x0000000073F60000-0x000000007464E000-memory.dmp

        Filesize

        6.9MB

      • memory/2888-3-0x00000000005A0000-0x00000000005B8000-memory.dmp

        Filesize

        96KB

      • memory/2888-6-0x0000000005290000-0x000000000530C000-memory.dmp

        Filesize

        496KB

      • memory/2888-2-0x0000000004E20000-0x0000000004E60000-memory.dmp

        Filesize

        256KB

      • memory/2888-4-0x00000000005D0000-0x00000000005D8000-memory.dmp

        Filesize

        32KB

      • memory/2888-20-0x0000000073F60000-0x000000007464E000-memory.dmp

        Filesize

        6.9MB

      • memory/2888-23-0x0000000004E20000-0x0000000004E60000-memory.dmp

        Filesize

        256KB

      • memory/2888-1-0x0000000073F60000-0x000000007464E000-memory.dmp

        Filesize

        6.9MB

      • memory/2888-5-0x0000000000620000-0x000000000062A000-memory.dmp

        Filesize

        40KB

      • memory/2888-33-0x0000000073F60000-0x000000007464E000-memory.dmp

        Filesize

        6.9MB

      • memory/2888-0-0x0000000001240000-0x000000000130E000-memory.dmp

        Filesize

        824KB

      • memory/3000-18-0x0000000002A90000-0x0000000002AD0000-memory.dmp

        Filesize

        256KB

      • memory/3000-14-0x000000006E3A0000-0x000000006E94B000-memory.dmp

        Filesize

        5.7MB

      • memory/3000-16-0x000000006E3A0000-0x000000006E94B000-memory.dmp

        Filesize

        5.7MB

      • memory/3000-36-0x000000006E3A0000-0x000000006E94B000-memory.dmp

        Filesize

        5.7MB

      • memory/3000-21-0x0000000002A90000-0x0000000002AD0000-memory.dmp

        Filesize

        256KB