Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 12:37

General

  • Target

    Commercial InvoiceContract#08BR19-20.exe

  • Size

    346KB

  • MD5

    1015b6ac7933ac770c115db33f6a5b5b

  • SHA1

    0e7f032f39d5e50e0303cf51b65d593275e0a6a0

  • SHA256

    6188651c5b4b883766439245dbe8b6b5575f8dc4f861eec3a3238d0ee7093f48

  • SHA512

    041602df2a0e2f2b9dac4d34e4674403be2594aa4400051cdc2c0445912270b4d2fe1fbc4df8c12c3876b13acf6a03fba35a905ec9bc74c755766aa2a87b0f84

  • SSDEEP

    6144:7E9//cB1JOTZBy9NvXkgHtoHqUUZ2Nd9avqa5FsPZc4h29MpzMr8w7xgFEycmC:71B10TANcgNyqKDpa5FOO4g9MWrf7xgI

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fcc.com.sa
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    In123123

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Commercial InvoiceContract#08BR19-20.exe
    "C:\Users\Admin\AppData\Local\Temp\Commercial InvoiceContract#08BR19-20.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\Commercial InvoiceContract#08BR19-20.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2380-0-0x00000000749F1000-0x00000000749F2000-memory.dmp
    Filesize

    4KB

  • memory/2380-1-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2380-2-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2380-3-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2380-4-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2380-23-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2704-19-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2704-15-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2704-9-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2704-17-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2704-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2704-11-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2704-20-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2704-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2704-21-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2704-22-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2704-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2704-24-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB

  • memory/2704-25-0x00000000749F0000-0x0000000074F9B000-memory.dmp
    Filesize

    5.7MB