Analysis

  • max time kernel
    147s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 21:20

General

  • Target

    Swift copy.exe

  • Size

    436KB

  • MD5

    27c466c70e60445b429623de8101a6d5

  • SHA1

    f1fd7e7fbdcfd7deddd7426cf56dfe2218c793b2

  • SHA256

    a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064

  • SHA512

    2496f0e97c67384670b2800ba5fd9f005921594aa9c55ccc9e266cfb9cb58874542f1b818e8e433e79c83c0c98ba44806e8abc231d2b9bce7efac34ea39afa77

  • SSDEEP

    12288:G6XJYAA8IWFsaoPIQxVGT5N6jU/HOXHO:G6ZYAAz0oPISGTIU/UHO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ekdantlab.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    muruga@123

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2172
    • 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\Swift copy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFFJSJku" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1362.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2408
    • C:\Users\Admin\AppData\Local\Temp\Swift copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"
      2⤵
        PID:2460
      • C:\Users\Admin\AppData\Local\Temp\Swift copy.exe
        "C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"
        2⤵
        • Drops file in Drivers directory
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2840

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2172-27-0x0000000074A40000-0x000000007512E000-memory.dmp
      Filesize

      6.9MB

    • memory/2172-1-0x0000000074A40000-0x000000007512E000-memory.dmp
      Filesize

      6.9MB

    • memory/2172-2-0x0000000004AF0000-0x0000000004B30000-memory.dmp
      Filesize

      256KB

    • memory/2172-3-0x0000000000940000-0x000000000094E000-memory.dmp
      Filesize

      56KB

    • memory/2172-4-0x0000000074A40000-0x000000007512E000-memory.dmp
      Filesize

      6.9MB

    • memory/2172-5-0x0000000004AF0000-0x0000000004B30000-memory.dmp
      Filesize

      256KB

    • memory/2172-6-0x0000000005A10000-0x0000000005A70000-memory.dmp
      Filesize

      384KB

    • memory/2172-0-0x0000000000EC0000-0x0000000000F34000-memory.dmp
      Filesize

      464KB

    • memory/2712-30-0x0000000002910000-0x0000000002950000-memory.dmp
      Filesize

      256KB

    • memory/2712-33-0x0000000002910000-0x0000000002950000-memory.dmp
      Filesize

      256KB

    • memory/2712-34-0x000000006F1C0000-0x000000006F76B000-memory.dmp
      Filesize

      5.7MB

    • memory/2712-31-0x000000006F1C0000-0x000000006F76B000-memory.dmp
      Filesize

      5.7MB

    • memory/2712-29-0x000000006F1C0000-0x000000006F76B000-memory.dmp
      Filesize

      5.7MB

    • memory/2840-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2840-26-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2840-13-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2840-28-0x0000000074A40000-0x000000007512E000-memory.dmp
      Filesize

      6.9MB

    • memory/2840-20-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2840-12-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2840-24-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2840-32-0x0000000004B10000-0x0000000004B50000-memory.dmp
      Filesize

      256KB

    • memory/2840-14-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2840-16-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2840-35-0x0000000074A40000-0x000000007512E000-memory.dmp
      Filesize

      6.9MB

    • memory/2840-37-0x0000000004B10000-0x0000000004B50000-memory.dmp
      Filesize

      256KB

    • memory/2840-39-0x0000000004B10000-0x0000000004B50000-memory.dmp
      Filesize

      256KB