Analysis

  • max time kernel
    52s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2023 11:21

General

  • Target

    Dueinvoiceexeexeexeexeexe.exe

  • Size

    590KB

  • MD5

    cfadfb5515950bb1142145daee782701

  • SHA1

    90d71c10593ee4b7a53c8ee0e412ceb606564c91

  • SHA256

    e759e4e0ba6d3e577ba3dc31a6ff4af77779a92afef0a7dd1814d23b7fe3ed03

  • SHA512

    410c01b287384c0ef569871e2f50c869836607002f1a676f88b8dd93caadadb0ae7a1509e5ecca06ab1c49cc04f0834722488d13dd6068f405760e0a658cf44b

  • SSDEEP

    12288:Agjjk9TCxo/5VimB/iyb5yXRbT2ToYNWYX0XtkB+5tXO7ZAJoY:Agjjk9TFVibyb52R8oYNWYEk05Y9AJoY

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Dueinvoiceexeexeexeexeexe.exe
    "C:\Users\Admin\AppData\Local\Temp\Dueinvoiceexeexeexeexeexe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PPIVznByTlPD.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1500
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PPIVznByTlPD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE0FD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:880
    • C:\Users\Admin\AppData\Local\Temp\Dueinvoiceexeexeexeexeexe.exe
      "C:\Users\Admin\AppData\Local\Temp\Dueinvoiceexeexeexeexeexe.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE0FD.tmp

    Filesize

    1KB

    MD5

    671b6258e8c9a5b2340c4523503805c5

    SHA1

    cfdcfb7607fa3db7f80afc8f2640e8560ac78a56

    SHA256

    8923bfefcdabe2dfa6a68cf0d55d6a774736d77644515f72b85e0580f9e90491

    SHA512

    e5e7d97319fbfc367c64450fa089d00754074b31e7c61dfd71f83d7b749ad9e140aecec2f3086f0b2a7390bcd7b14d19e4c2d547907105e7a0c82d335de5f57a

  • memory/1500-77-0x00000000005F0000-0x0000000000630000-memory.dmp

    Filesize

    256KB

  • memory/1500-76-0x00000000005F0000-0x0000000000630000-memory.dmp

    Filesize

    256KB

  • memory/1948-71-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1948-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1948-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1948-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1948-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1948-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1948-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1948-75-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2308-58-0x0000000005610000-0x000000000567A000-memory.dmp

    Filesize

    424KB

  • memory/2308-57-0x00000000005D0000-0x00000000005DC000-memory.dmp

    Filesize

    48KB

  • memory/2308-54-0x00000000000A0000-0x000000000013A000-memory.dmp

    Filesize

    616KB

  • memory/2308-56-0x00000000004F0000-0x00000000004FC000-memory.dmp

    Filesize

    48KB

  • memory/2308-55-0x0000000004CC0000-0x0000000004D00000-memory.dmp

    Filesize

    256KB