Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 04:58

General

  • Target

    4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe

  • Size

    922KB

  • MD5

    5b65abb4776d7bae7624c3085a5a227a

  • SHA1

    7eedb005b4e3a79aa4482f8fe04c16ee4490bfb6

  • SHA256

    4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3

  • SHA512

    0950b2d6597edc91ca41f54c368dc2cef78827a5be23d056a90d2459639763929365cf926ff219a4884925e3ae79b360f55c98b8f909c34236890ac26f60fba6

  • SSDEEP

    12288:rXN5GnTOdU+CHpZgWWGTULgUGDc1B7YxdSI53JBQnKoWq1RAazOVKYe/+YfiLHks:ePUsVWZYQKoh1OKffi4nO8F8z

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.alruomigroup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    LtURz%y7

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

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

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe
    "C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe
      "C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe"
      2⤵
        PID:1624
      • C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe
        "C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe"
        2⤵
          PID:1120
        • C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe
          "C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe"
          2⤵
            PID:3560
          • C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe
            "C:\Users\Admin\AppData\Local\Temp\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.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:3772

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4f28687d01e29f37854b840c3f5f0fe2cd506c87d4f7b036bdddcd147dc2cbc3.exe.log

          Filesize

          1KB

          MD5

          17573558c4e714f606f997e5157afaac

          SHA1

          13e16e9415ceef429aaf124139671ebeca09ed23

          SHA256

          c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

          SHA512

          f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

        • memory/2852-12-0x000000000AC90000-0x000000000ACF0000-memory.dmp

          Filesize

          384KB

        • memory/2852-8-0x00000000045F0000-0x0000000004606000-memory.dmp

          Filesize

          88KB

        • memory/2852-11-0x000000000ABE0000-0x000000000AC88000-memory.dmp

          Filesize

          672KB

        • memory/2852-4-0x0000000004CF0000-0x0000000004D82000-memory.dmp

          Filesize

          584KB

        • memory/2852-5-0x0000000004C20000-0x0000000004C2A000-memory.dmp

          Filesize

          40KB

        • memory/2852-6-0x0000000004EE0000-0x0000000004F36000-memory.dmp

          Filesize

          344KB

        • memory/2852-7-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/2852-1-0x0000000000150000-0x000000000023C000-memory.dmp

          Filesize

          944KB

        • memory/2852-9-0x000000007455E000-0x000000007455F000-memory.dmp

          Filesize

          4KB

        • memory/2852-0-0x000000007455E000-0x000000007455F000-memory.dmp

          Filesize

          4KB

        • memory/2852-3-0x00000000052A0000-0x0000000005844000-memory.dmp

          Filesize

          5.6MB

        • memory/2852-2-0x0000000004C50000-0x0000000004CEC000-memory.dmp

          Filesize

          624KB

        • memory/2852-10-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/2852-17-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/3772-25-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/3772-16-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/3772-18-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/3772-19-0x0000000005860000-0x0000000005878000-memory.dmp

          Filesize

          96KB

        • memory/3772-20-0x00000000064F0000-0x0000000006556000-memory.dmp

          Filesize

          408KB

        • memory/3772-21-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/3772-22-0x0000000074550000-0x0000000074D00000-memory.dmp

          Filesize

          7.7MB

        • memory/3772-24-0x0000000006DA0000-0x0000000006DF0000-memory.dmp

          Filesize

          320KB

        • memory/3772-13-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB