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Analysis

  • max time kernel
    71s
  • max time network
    72s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    31/05/2023, 06:19

General

  • Target

    3bb96601470f69bd7c315ab08e5d4c90.exe

  • Size

    983KB

  • MD5

    3bb96601470f69bd7c315ab08e5d4c90

  • SHA1

    ed08f1e0b5db032a514cc57ecd0c57b5dd8a6fb9

  • SHA256

    997bd2e38191c4def9366906e95ffbea6a793dc4806dcbf798157e51531cbf31

  • SHA512

    16988982e968a6a8c909e9ec4d9ae32bb940e9d37a68a1b96d210e19b80f5c29ed0aa3278b7333eaba0ec93e3254bb657dbd891621a81f83dd291ba8a72a7fc7

  • SSDEEP

    24576:I5FLaVUH999IWxYJkkWM/0SRi7fTI6oQU:4JBH9IWxMfRin6QU

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5369838257:AAH0QHFHfBRqr9bqyjTzsODOcSzKccuPJhg/sendDocument

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bb96601470f69bd7c315ab08e5d4c90.exe
    "C:\Users\Admin\AppData\Local\Temp\3bb96601470f69bd7c315ab08e5d4c90.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:824
    • 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\3bb96601470f69bd7c315ab08e5d4c90.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:668
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eJLwkd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eJLwkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE496.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1984
    • C:\Users\Admin\AppData\Local\Temp\3bb96601470f69bd7c315ab08e5d4c90.exe
      "C:\Users\Admin\AppData\Local\Temp\3bb96601470f69bd7c315ab08e5d4c90.exe"
      2⤵
        PID:884
      • C:\Users\Admin\AppData\Local\Temp\3bb96601470f69bd7c315ab08e5d4c90.exe
        "C:\Users\Admin\AppData\Local\Temp\3bb96601470f69bd7c315ab08e5d4c90.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:928

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpE496.tmp

      Filesize

      1KB

      MD5

      6fa413bdd693a5501b64bdd59b246c8b

      SHA1

      e3132a632dc84221f3530a02bad43487db397678

      SHA256

      2f06cc130d33874b3b87fb6055af6ef0c905d1c8e30851371a8631c3f23d285c

      SHA512

      65c06934de1e10703d9716d69d070aad84e4c525077f4cd80cf5612666f970fa637d0084f76414a1a3cf55f66a0c2b372c92f67486a1c0adea0a98b7cda01adb

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\H42VD61HJ4518XZKOYO2.temp

      Filesize

      7KB

      MD5

      24abf160150b56e10a0ec78bf9defa8e

      SHA1

      8d345c66b49669b20d1b223964b49b849cb363af

      SHA256

      7e771901044e906b0cf424f54a5046d2df929d1da5c2184a09bb59f8db150533

      SHA512

      4b5431d24ffb7f005a2ba3ff1386b1f69bff958ac8015266613ef30335adb6ae0b4e8527b71360f675b2abce5f99c9d5595415368815c454691ca92a424eedfd

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

      Filesize

      7KB

      MD5

      24abf160150b56e10a0ec78bf9defa8e

      SHA1

      8d345c66b49669b20d1b223964b49b849cb363af

      SHA256

      7e771901044e906b0cf424f54a5046d2df929d1da5c2184a09bb59f8db150533

      SHA512

      4b5431d24ffb7f005a2ba3ff1386b1f69bff958ac8015266613ef30335adb6ae0b4e8527b71360f675b2abce5f99c9d5595415368815c454691ca92a424eedfd

    • memory/648-83-0x0000000002360000-0x00000000023A0000-memory.dmp

      Filesize

      256KB

    • memory/668-84-0x0000000002650000-0x0000000002690000-memory.dmp

      Filesize

      256KB

    • memory/668-85-0x0000000002650000-0x0000000002690000-memory.dmp

      Filesize

      256KB

    • memory/824-57-0x0000000004240000-0x0000000004280000-memory.dmp

      Filesize

      256KB

    • memory/824-59-0x0000000007310000-0x0000000007386000-memory.dmp

      Filesize

      472KB

    • memory/824-58-0x00000000005F0000-0x00000000005FA000-memory.dmp

      Filesize

      40KB

    • memory/824-72-0x0000000004120000-0x000000000415E000-memory.dmp

      Filesize

      248KB

    • memory/824-54-0x0000000000180000-0x000000000027C000-memory.dmp

      Filesize

      1008KB

    • memory/824-56-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/824-55-0x0000000004240000-0x0000000004280000-memory.dmp

      Filesize

      256KB

    • memory/928-73-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/928-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/928-78-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/928-80-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/928-82-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/928-76-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/928-75-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/928-74-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/928-89-0x0000000004EE0000-0x0000000004F20000-memory.dmp

      Filesize

      256KB