Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 03:11

General

  • Target

    8e3e00075143d3fd621479fb61188c41560186ce1877e83e9d1e938b866adef6.exe

  • Size

    498KB

  • MD5

    0d1fa230547e8327115e01b3f5956133

  • SHA1

    a2942ed55a16fd4b0ca9ac6b7552fbeb5509ecb7

  • SHA256

    8e3e00075143d3fd621479fb61188c41560186ce1877e83e9d1e938b866adef6

  • SHA512

    7dd223bb25b6ad0f7ec0beb6880ba0fc29404cae8f5548745172f7ae04abe34668e4b3183f3869c4dabf4fcd7fd512976363d4909bd9156b47625598e259a414

  • SSDEEP

    6144:FuxpYkSlNpfOCgxdx1ZcGv9WMPznQIGHnmC7I85eVmftpQ6cxHn8eI+mOmFzivqb:F35OCgLxbZvTgzEeqmf3Q7vsFz2qb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xxxlahot2

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e3e00075143d3fd621479fb61188c41560186ce1877e83e9d1e938b866adef6.exe
    "C:\Users\Admin\AppData\Local\Temp\8e3e00075143d3fd621479fb61188c41560186ce1877e83e9d1e938b866adef6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lTrrhuvZeKce" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A69.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2056
    • 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
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1500-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1500-28-0x00000000065C0000-0x0000000006610000-memory.dmp

    Filesize

    320KB

  • memory/1500-26-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-25-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-24-0x0000000006400000-0x0000000006466000-memory.dmp

    Filesize

    408KB

  • memory/1500-23-0x00000000054E0000-0x00000000054F8000-memory.dmp

    Filesize

    96KB

  • memory/1500-21-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/1500-20-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-5-0x0000000004F90000-0x0000000004F9A000-memory.dmp

    Filesize

    40KB

  • memory/4200-6-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-10-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-11-0x00000000061E0000-0x000000000627C000-memory.dmp

    Filesize

    624KB

  • memory/4200-12-0x0000000006330000-0x0000000006390000-memory.dmp

    Filesize

    384KB

  • memory/4200-8-0x0000000008580000-0x000000000858E000-memory.dmp

    Filesize

    56KB

  • memory/4200-7-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-9-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4200-22-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4200-4-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4200-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

    Filesize

    584KB

  • memory/4200-2-0x0000000005590000-0x0000000005B34000-memory.dmp

    Filesize

    5.6MB

  • memory/4200-1-0x0000000000470000-0x00000000004F2000-memory.dmp

    Filesize

    520KB