Analysis

  • max time kernel
    105s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2023 02:55

General

  • Target

    SWIFTMT103-00391MBAP2308101.exe

  • Size

    184KB

  • MD5

    5c1393c9b7e4283108f4fbb93d375271

  • SHA1

    9a435b7ebfbcd6603a6f15b18bd8c6c2a421eb1a

  • SHA256

    d6db2fcf47febfec45cffbe8bb6ff254974492e8785812478407e979dddd5902

  • SHA512

    c8bc07b63f83f29a4c5baa9b946e1953fb297d559c081b369730ff592b82bb07eae24f907c1e695f2e7684f885b23ae37b284ee28e126985175943f7a688ea37

  • SSDEEP

    3072:EBd1rYw6nDIy7LJV0wg/LrbYMsJ3wh21VaqeEeTjurIVG3ExjEV5bL2C0gAm6:EBvteISIwg/LrkbwhtqeTnWIVhxjc5b1

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6120421924:AAHfDg3lTzDUW4O1CSc9eyT6zf8UpaOZqyY/

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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFTMT103-00391MBAP2308101.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFTMT103-00391MBAP2308101.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1888
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4136

Network

MITRE ATT&CK Matrix ATT&CK v6

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1888-133-0x0000022463390000-0x00000224633BC000-memory.dmp
    Filesize

    176KB

  • memory/4136-134-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/4136-136-0x0000000005A90000-0x0000000006034000-memory.dmp
    Filesize

    5.6MB

  • memory/4136-137-0x0000000005450000-0x0000000005460000-memory.dmp
    Filesize

    64KB

  • memory/4136-138-0x00000000053D0000-0x0000000005436000-memory.dmp
    Filesize

    408KB

  • memory/4136-139-0x0000000006A70000-0x0000000006B02000-memory.dmp
    Filesize

    584KB

  • memory/4136-140-0x0000000006A40000-0x0000000006A4A000-memory.dmp
    Filesize

    40KB

  • memory/4136-141-0x0000000006D00000-0x0000000006D50000-memory.dmp
    Filesize

    320KB

  • memory/4136-142-0x0000000006F20000-0x00000000070E2000-memory.dmp
    Filesize

    1.8MB

  • memory/4136-149-0x0000000006DF0000-0x0000000006E8C000-memory.dmp
    Filesize

    624KB

  • memory/4136-150-0x0000000005450000-0x0000000005460000-memory.dmp
    Filesize

    64KB