Analysis

  • max time kernel
    135s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 1 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • 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:3636
  • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    1⤵
      PID:2500

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Commercial InvoiceContract#08BR19-20.exe.log

      Filesize

      681B

      MD5

      41c21fd2c537f197f2d604b76b9e3b74

      SHA1

      96edc196f6c2d0f03c536f846f5bf930d00a25db

      SHA256

      33f33fc696fde2b0202776de0b24bbd93b3ec49b91fde61c850cc38222dc7548

      SHA512

      3f2bb44454cc541c347558b2a4865a034b3778c7baf618ce16f30031eaa3e6d08d0a0d1b99978990430fea06435b1af1f3a5407b4e5b25ec9d212d0b59dd4897

    • memory/1948-10-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/1948-1-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/1948-2-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/1948-20-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/1948-14-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

      Filesize

      64KB

    • memory/1948-0-0x0000000075582000-0x0000000075583000-memory.dmp

      Filesize

      4KB

    • memory/1948-11-0x0000000075582000-0x0000000075583000-memory.dmp

      Filesize

      4KB

    • memory/2500-6-0x00007FFE0D600000-0x00007FFE0DFA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2500-9-0x00007FFE0D600000-0x00007FFE0DFA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2500-8-0x000000001A8E0000-0x000000001AA16000-memory.dmp

      Filesize

      1.2MB

    • memory/2500-7-0x000000001A1D0000-0x000000001A5A4000-memory.dmp

      Filesize

      3.8MB

    • memory/2500-12-0x00007FFE0D8B5000-0x00007FFE0D8B6000-memory.dmp

      Filesize

      4KB

    • memory/2500-13-0x00007FFE0D600000-0x00007FFE0DFA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2500-5-0x00007FFE0D600000-0x00007FFE0DFA1000-memory.dmp

      Filesize

      9.6MB

    • memory/2500-3-0x00007FFE0D8B5000-0x00007FFE0D8B6000-memory.dmp

      Filesize

      4KB

    • memory/2500-4-0x0000000019D90000-0x0000000019DB0000-memory.dmp

      Filesize

      128KB

    • memory/3636-19-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/3636-18-0x0000000075582000-0x0000000075583000-memory.dmp

      Filesize

      4KB

    • memory/3636-15-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3636-21-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/3636-22-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/3636-23-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/3636-24-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB

    • memory/3636-28-0x0000000075580000-0x0000000075B31000-memory.dmp

      Filesize

      5.7MB