Analysis

  • max time kernel
    52s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2023 09:40

General

  • Target

    aa3e87c3886fe443df71b65dc484b40811a253f1ac642a70c59653912a8a467f.exe

  • Size

    655KB

  • MD5

    ba30b4e7b1823d3bbbfa2cdef17cd243

  • SHA1

    f0549d5acf472d5f37c918120983a6a48ac9e589

  • SHA256

    aa3e87c3886fe443df71b65dc484b40811a253f1ac642a70c59653912a8a467f

  • SHA512

    c0e028ad4f206ee987e311fe5ff1421110203e7ab6758a241fbb26afb1b1cd601987f66009da5dac821d0c70d1f14cea29bb435d589d6980687909a63bb061f6

  • SSDEEP

    12288:l0dTnj8vdP5ArlczwGdkpuTHB2h6Y+It/MZlXiZY:ODj8/Ec82b2MY+W/MrSZY

Malware Config

Extracted

Family

agenttesla

Credentials

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa3e87c3886fe443df71b65dc484b40811a253f1ac642a70c59653912a8a467f.exe
    "C:\Users\Admin\AppData\Local\Temp\aa3e87c3886fe443df71b65dc484b40811a253f1ac642a70c59653912a8a467f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gsLOfRRKEa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gsLOfRRKEa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7D2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1940
    • C:\Users\Admin\AppData\Local\Temp\aa3e87c3886fe443df71b65dc484b40811a253f1ac642a70c59653912a8a467f.exe
      "C:\Users\Admin\AppData\Local\Temp\aa3e87c3886fe443df71b65dc484b40811a253f1ac642a70c59653912a8a467f.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1136
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1440
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x4dc
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:820

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC7D2.tmp

      Filesize

      1KB

      MD5

      22642fa6fa8608969229b4473c914d1d

      SHA1

      5b72d55759110ed3274f99720574e2d088e8d532

      SHA256

      de546224d534a4a1af327b604b16c831b48ef44563b509f2317f8573d89e0e0d

      SHA512

      dffaa3cd9192ea369ef79b77ef85461d57e5b2d7450bf257f33792fa1d2bc6f02a7c69ac5ced12ac70888b1f0e68ca6a17cc9003814964104eaa366eecf75cac

    • memory/1136-71-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1136-80-0x0000000000860000-0x00000000008A0000-memory.dmp

      Filesize

      256KB

    • memory/1136-76-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1136-78-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1136-74-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1136-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1136-72-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1136-67-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1136-70-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1156-79-0x00000000021D0000-0x0000000002210000-memory.dmp

      Filesize

      256KB

    • memory/1928-58-0x0000000000320000-0x000000000032C000-memory.dmp

      Filesize

      48KB

    • memory/1928-66-0x0000000004A50000-0x0000000004A82000-memory.dmp

      Filesize

      200KB

    • memory/1928-65-0x0000000000370000-0x00000000003B0000-memory.dmp

      Filesize

      256KB

    • memory/1928-59-0x0000000005710000-0x000000000577A000-memory.dmp

      Filesize

      424KB

    • memory/1928-54-0x0000000000DE0000-0x0000000000E88000-memory.dmp

      Filesize

      672KB

    • memory/1928-57-0x0000000000370000-0x00000000003B0000-memory.dmp

      Filesize

      256KB

    • memory/1928-56-0x0000000000210000-0x0000000000220000-memory.dmp

      Filesize

      64KB

    • memory/1928-55-0x0000000000370000-0x00000000003B0000-memory.dmp

      Filesize

      256KB