Analysis

  • max time kernel
    130s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    20-10-2021 03:17

General

  • Target

    payment copy.exe

  • Size

    463KB

  • MD5

    5ff2f079f187c67618fe79ade442dd5f

  • SHA1

    5bc25a34a2d8194c73e344ba58a25280bbcc21e9

  • SHA256

    6c4f03f9b58f8d25fb24a1ea161bf61fdafbc7050ccbd4f026098e58e2ba8fe4

  • SHA512

    402122d29aef25258e0bd65f2c7932512b7bcada0db6f672c123d94951f3697d9824f0f28b95bf45991e197a35a55d38d5702b0806053529360cff5991b55d6e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    sg2plcpnl0023.prod.sin2.secureserver.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    User@40378

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment copy.exe
    "C:\Users\Admin\AppData\Local\Temp\payment copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1112
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:856

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/856-63-0x000000000043760E-mapping.dmp
    • memory/856-58-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-59-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-60-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-62-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-64-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/856-66-0x0000000000FA0000-0x0000000000FA1000-memory.dmp
      Filesize

      4KB

    • memory/856-67-0x0000000000FA1000-0x0000000000FA2000-memory.dmp
      Filesize

      4KB

    • memory/1768-55-0x0000000000420000-0x0000000000421000-memory.dmp
      Filesize

      4KB

    • memory/1768-56-0x0000000000690000-0x0000000000697000-memory.dmp
      Filesize

      28KB

    • memory/1768-57-0x0000000004B30000-0x0000000004B88000-memory.dmp
      Filesize

      352KB

    • memory/1768-53-0x0000000000A30000-0x0000000000A31000-memory.dmp
      Filesize

      4KB