Analysis

  • max time kernel
    141s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:16

General

  • Target

    Po129834589.exe

  • Size

    743KB

  • MD5

    7f90e73a8d12d33684f6d254c3d84ea6

  • SHA1

    3ebaacc513549648b86fa343adbfb1cb53d60144

  • SHA256

    5cc60b79a462acba33bafc299e15f4b0e8f75a96944f2dd3dd0836cb305bd889

  • SHA512

    aa0faa674be25e8c1392d09c8409a61a310208adb7f33f03eecac6e326b4bd3137b866fed7cbd087292308e470088dc5279d484107aefac2bf5ae7ea079adbae

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mytravelexplorer.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    $g=!lt#SakbA

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Po129834589.exe
    "C:\Users\Admin\AppData\Local\Temp\Po129834589.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZHDXVlzIyQQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1363.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:832
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1363.tmp

    Filesize

    1KB

    MD5

    095df2d2b87495676bcc38b748631404

    SHA1

    97d995553b3d1f48958e3618627e58f1db8d9edc

    SHA256

    2c9c071cd50f89eb7b75bdc3134487a40fc8e8bd253d77c3e9b0dd566f8be2da

    SHA512

    e1dfdc16265c224d5b7502270e7ff9e3ffa79d3715f6258585ff467a68b6cc7740ebfa92516b4afd39956911afa0cca60a04c8ef88357af59d0e43a084fbefe4

  • memory/832-56-0x0000000000000000-mapping.dmp

  • memory/1268-61-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-58-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-59-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-62-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-63-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-64-0x000000000045391E-mapping.dmp

  • memory/1268-66-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-68-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1268-70-0x00000000739A0000-0x0000000073F4B000-memory.dmp

    Filesize

    5.7MB

  • memory/1808-55-0x0000000073F50000-0x00000000744FB000-memory.dmp

    Filesize

    5.7MB

  • memory/1808-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB