Analysis

  • max time kernel
    84s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 19:43

General

  • Target

    Shipping Docs PO12399/Shipping Docs PO12399.xlsx.exe

  • Size

    440KB

  • MD5

    a11bfa3fee20595f6562c0b2eb07fe83

  • SHA1

    61dceafd6971eba650ebab7b8aa3f8ab42ade135

  • SHA256

    6f3f44cde64cfb8b414ce1b26816a0e78bc14e90e2b5fee63991d9359122d481

  • SHA512

    c69113d36c9c95f3550fd6ffade2df958aa332a910b827a559257ed7e6b52e62fa7852073c21108bda37cb7c063edae9debe4e9514394b7f6d8c7b7b5029ed6a

  • SSDEEP

    12288:BXmWAakvgHhyXkv0xIYjbZcn4M79pkbzmKaukoki/:BXGYkUMx7VM4M79LiP/

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5870878058:AAEtYpDY1LBnBQGwZvkWktoa3wzKq0kSk78/

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Docs PO12399\Shipping Docs PO12399.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Docs PO12399\Shipping Docs PO12399.xlsx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1296-54-0x0000000001300000-0x0000000001372000-memory.dmp

    Filesize

    456KB

  • memory/1296-55-0x0000000000A60000-0x0000000000ACE000-memory.dmp

    Filesize

    440KB

  • memory/1644-56-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1644-57-0x0000000000429ADE-mapping.dmp

  • memory/1644-59-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1644-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1644-62-0x0000000075931000-0x0000000075933000-memory.dmp

    Filesize

    8KB