Analysis

  • max time kernel
    78s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2023 13:05

General

  • Target

    a5102380ab2e18a46170b94277940e8568eaa2ab.exe

  • Size

    723KB

  • MD5

    d70b4cb4e031364f2feed4cd6a4832fd

  • SHA1

    a5102380ab2e18a46170b94277940e8568eaa2ab

  • SHA256

    e18b65850a6147b9ece9b7f2d8268303cdfa39c3c2ade801119f79191a6bc039

  • SHA512

    3f75b741f3ccac65be57524d3d65eada002d32ce0531f1d50bacc91a751a403de19c17402a0116bf058916eaa3b3c888c7fc980bd9d2a91a501d46e9fa02f9f0

  • SSDEEP

    12288:ERIOSw4qE4iVV/r7VWCWEErm+CAh7tT8WbFWFeUyZyZKd2fhc8gfzGY3c:iIOaqEZV/NWCWEE6ZS7tzvyZK0JFgfzC

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Da8@b!Gj!#zY4K

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5102380ab2e18a46170b94277940e8568eaa2ab.exe
    "C:\Users\Admin\AppData\Local\Temp\a5102380ab2e18a46170b94277940e8568eaa2ab.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CQUvzCBZioZ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2016
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CQUvzCBZioZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp97FC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1408
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1916

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp97FC.tmp

    Filesize

    1KB

    MD5

    18a498b5a1c6a7e73f27a7bcf13f579e

    SHA1

    900c510ee35fd04eaa78c989dc47cb98e830bd44

    SHA256

    4a4e30828489dee823d28563e7707dd77aff9ab34fcfef30e679ff34109a2403

    SHA512

    93dbb90c48116d2292ce0d44c42b02581c7d6a73448d22f0276b37e87cfbc910cce0a2b2a9d300aec30d079fb69ca2a2ece10aa8b3c88002736e5bd771a9bfd1

  • memory/1916-65-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1916-74-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1916-72-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1916-69-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1916-68-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1916-67-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1916-64-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1932-58-0x0000000004AE0000-0x0000000004B48000-memory.dmp

    Filesize

    416KB

  • memory/1932-63-0x0000000000F00000-0x0000000000F30000-memory.dmp

    Filesize

    192KB

  • memory/1932-54-0x0000000001350000-0x000000000140A000-memory.dmp

    Filesize

    744KB

  • memory/1932-57-0x0000000000330000-0x000000000033A000-memory.dmp

    Filesize

    40KB

  • memory/1932-56-0x0000000000310000-0x0000000000326000-memory.dmp

    Filesize

    88KB

  • memory/1932-55-0x0000000075981000-0x0000000075983000-memory.dmp

    Filesize

    8KB

  • memory/2016-76-0x000000006E510000-0x000000006EABB000-memory.dmp

    Filesize

    5.7MB

  • memory/2016-77-0x000000006E510000-0x000000006EABB000-memory.dmp

    Filesize

    5.7MB