Resubmissions

17-09-2024 23:08

240917-24ycrazclh 10

17-09-2024 19:54

240917-ymk5ba1hlf 10

Analysis

  • max time kernel
    52s
  • max time network
    54s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17-09-2024 23:08

General

  • Target

    c7513589f3f2e02007be1301c2f08c8809ea7526d85d7efcaf3bccf767a38855.exe

  • Size

    666KB

  • MD5

    31f840efbb9f5116f6bf1334c1fd55fd

  • SHA1

    003cc6c66f94c65625ea9506d71741662e28b8f4

  • SHA256

    c7513589f3f2e02007be1301c2f08c8809ea7526d85d7efcaf3bccf767a38855

  • SHA512

    22ee4bc1c8f0b889fb61a3ae89c8302689eaaaa7dcf1ced4ccdc6ecb6ef6bc16173175e5adcf4d25d5c13c1c0b9e6bdb0dafe5973fa4a5c8000060472408b980

  • SSDEEP

    12288:3Bu9Wtu1btCYwnZcA+9VdGpf5ptSR3vSRgTsUrtUY/6ion:xu9WtECYwZP+DdusR3vSRgTdrym6p

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    DANIEL3116

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    DANIEL3116

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\c7513589f3f2e02007be1301c2f08c8809ea7526d85d7efcaf3bccf767a38855.exe
    "C:\Users\Admin\AppData\Local\Temp\c7513589f3f2e02007be1301c2f08c8809ea7526d85d7efcaf3bccf767a38855.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Users\Admin\AppData\Local\Temp\c7513589f3f2e02007be1301c2f08c8809ea7526d85d7efcaf3bccf767a38855.exe
      "C:\Users\Admin\AppData\Local\Temp\c7513589f3f2e02007be1301c2f08c8809ea7526d85d7efcaf3bccf767a38855.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:1900
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\JoinSet.bat" "
    1⤵
      PID:1048
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\JoinSet.bat" "
      1⤵
        PID:340
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\JoinSet.bat" "
        1⤵
          PID:5064
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\JoinSet.bat" "
          1⤵
            PID:4724
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\Desktop\JoinSet.bat"
            1⤵
              PID:2056
            • C:\Windows\system32\OpenWith.exe
              C:\Windows\system32\OpenWith.exe -Embedding
              1⤵
              • Modifies registry class
              • Suspicious use of SetWindowsHookEx
              PID:1476

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c7513589f3f2e02007be1301c2f08c8809ea7526d85d7efcaf3bccf767a38855.exe.log

              Filesize

              1KB

              MD5

              2f5704b6ef9a69680606dea791eb9a19

              SHA1

              c7b1bce5face5f6e44de392627ef745b08f2675a

              SHA256

              684df0be62812e3eb77014083dc5cd04540ad052d2f7be5a6d0b9f6910e18dd4

              SHA512

              15559602050abf6b9310b01751068d387b717fea764efec86d8b063fe23ea69a01bcabdd631c4c3442abc81ac7d18a8c63560c4c841cc92c9592684d248d02cc

            • memory/1004-8-0x00000000747AE000-0x00000000747AF000-memory.dmp

              Filesize

              4KB

            • memory/1004-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp

              Filesize

              584KB

            • memory/1004-10-0x00000000078D0000-0x0000000007956000-memory.dmp

              Filesize

              536KB

            • memory/1004-11-0x0000000007CB0000-0x0000000007D16000-memory.dmp

              Filesize

              408KB

            • memory/1004-5-0x0000000004C80000-0x0000000004C8A000-memory.dmp

              Filesize

              40KB

            • memory/1004-6-0x0000000007830000-0x000000000783E000-memory.dmp

              Filesize

              56KB

            • memory/1004-7-0x0000000007960000-0x00000000079FC000-memory.dmp

              Filesize

              624KB

            • memory/1004-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

              Filesize

              4KB

            • memory/1004-9-0x00000000747A0000-0x0000000074F51000-memory.dmp

              Filesize

              7.7MB

            • memory/1004-2-0x0000000005200000-0x00000000057A6000-memory.dmp

              Filesize

              5.6MB

            • memory/1004-4-0x00000000747A0000-0x0000000074F51000-memory.dmp

              Filesize

              7.7MB

            • memory/1004-12-0x0000000006180000-0x0000000006186000-memory.dmp

              Filesize

              24KB

            • memory/1004-13-0x00000000061A0000-0x00000000061E4000-memory.dmp

              Filesize

              272KB

            • memory/1004-17-0x00000000747A0000-0x0000000074F51000-memory.dmp

              Filesize

              7.7MB

            • memory/1004-1-0x0000000000120000-0x00000000001CC000-memory.dmp

              Filesize

              688KB

            • memory/1900-14-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/1900-18-0x0000000005840000-0x0000000005858000-memory.dmp

              Filesize

              96KB

            • memory/1900-20-0x0000000006B30000-0x0000000006B80000-memory.dmp

              Filesize

              320KB