Analysis

  • max time kernel
    146s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:48

General

  • Target

    sales _pdf.exe

  • Size

    389KB

  • MD5

    4747f3b3a3564b5ea5c5ae0458e8cbdd

  • SHA1

    6fe111382094e485c5f4c94cee08326073326c9c

  • SHA256

    6fee5f036747f42839ee7df45c9f6480c9a5e7f3eddd546638f26858b2dc2276

  • SHA512

    99b7f8798c787a268f9b7e5facab12e4ac75bc0f60e38dde76a38338888340ad697d1e1fc7e8576364f026bfbdef27330b9324d079c7e3560b6443c123dabb1b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.parshavayealborz.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    P@rshava123456

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sales _pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\sales _pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:4516
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
          PID:1352
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "{path}"
          2⤵
          • Drops file in Drivers directory
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:4560
          • C:\Windows\SysWOW64\REG.exe
            REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
            3⤵
            • Modifies registry key
            PID:308

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/308-141-0x0000000000000000-mapping.dmp

      • memory/1352-136-0x0000000000000000-mapping.dmp

      • memory/4208-130-0x0000000000310000-0x0000000000378000-memory.dmp

        Filesize

        416KB

      • memory/4208-131-0x0000000005240000-0x00000000057E4000-memory.dmp

        Filesize

        5.6MB

      • memory/4208-132-0x0000000004D30000-0x0000000004DC2000-memory.dmp

        Filesize

        584KB

      • memory/4208-133-0x0000000004DD0000-0x0000000004DDA000-memory.dmp

        Filesize

        40KB

      • memory/4208-134-0x0000000008560000-0x00000000085FC000-memory.dmp

        Filesize

        624KB

      • memory/4516-135-0x0000000000000000-mapping.dmp

      • memory/4560-137-0x0000000000000000-mapping.dmp

      • memory/4560-138-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/4560-139-0x00000000057D0000-0x0000000005836000-memory.dmp

        Filesize

        408KB

      • memory/4560-140-0x0000000005E90000-0x0000000005EE0000-memory.dmp

        Filesize

        320KB