Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 17:15

General

  • Target

    tmp.exe

  • Size

    838KB

  • MD5

    644ef0e96bb766efa2a3fe3a7dfb0d5c

  • SHA1

    76f4bc8da9ef0130175a93d29ec7f913a904934b

  • SHA256

    3ff802e875d54b64758cc2e91844a7d1d9c87c348dfc18604db5ee6dd856cca3

  • SHA512

    c75591011ff6542f4ab6018ba58163f4d69ba6bcda6af68bc22c68a87b0f9f08d5d2d19da01d23c53cec30eec702ee3fc90f70e219827011caea5dbbac373af2

  • SSDEEP

    12288:gg5VmNVT3J/0UNz5fPC6q1BQh/IObjfF7LLDEXlXY61XIOmM0uY:hLm3jJddnboDObjfxLXMVByx

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tqzwrcdhriqzrjyb

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
        PID:4848
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        2⤵
          PID:2196
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
          2⤵
            PID:4832
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
            2⤵
              PID:3024
            • 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
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • outlook_office_path
              • outlook_win_path
              PID:1696

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1696-135-0x0000000000400000-0x0000000000468000-memory.dmp

            Filesize

            416KB

          • memory/1696-136-0x0000000000437BEE-mapping.dmp

          • memory/1696-138-0x00000000054F0000-0x0000000005A94000-memory.dmp

            Filesize

            5.6MB

          • memory/1696-139-0x0000000004FE0000-0x000000000507C000-memory.dmp

            Filesize

            624KB

          • memory/1696-140-0x0000000005DE0000-0x0000000005E46000-memory.dmp

            Filesize

            408KB

          • memory/1696-141-0x00000000066B0000-0x0000000006700000-memory.dmp

            Filesize

            320KB

          • memory/1696-142-0x0000000006340000-0x00000000063D2000-memory.dmp

            Filesize

            584KB

          • memory/1696-143-0x0000000006830000-0x000000000683A000-memory.dmp

            Filesize

            40KB

          • memory/4464-132-0x0000019789010000-0x00000197890E6000-memory.dmp

            Filesize

            856KB

          • memory/4464-133-0x00007FFA79FD0000-0x00007FFA7AA91000-memory.dmp

            Filesize

            10.8MB

          • memory/4464-134-0x00007FFA79FD0000-0x00007FFA7AA91000-memory.dmp

            Filesize

            10.8MB

          • memory/4464-137-0x00007FFA79FD0000-0x00007FFA7AA91000-memory.dmp

            Filesize

            10.8MB