Analysis

  • max time kernel
    149s
  • 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
    03-06-2024 09:13

General

  • Target

    JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr

  • Size

    844KB

  • MD5

    d1473af035ad29a5106b6e0c86136c62

  • SHA1

    d8aa3f840097d53cb03d35020e1ec904aa779b6c

  • SHA256

    09e3dca360715fc66070377bbf9ac07c8af08b6f5bc11a8e9de381368b21a32d

  • SHA512

    ab1c50459147d77ab5359d1899d7107c698e712cc6e6cd6371236a4a59ad04d755c563e8d58e9ef3e92ebbb7b575da798af1c2e16becb6040e141d7503820ed9

  • SSDEEP

    24576:JMYeNVDN5i/7oYEADXg/7w6y5frNhSXiRIVqf:JMYePN5i/7vEWwjwNfrrSXwIVq

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Signatures

  • AgentTesla

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

  • 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.

  • 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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr
    "C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr
      "C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr"
      2⤵
        PID:972
      • C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr
        "C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr"
        2⤵
          PID:4048
        • C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr
          "C:\Users\Admin\AppData\Local\Temp\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JS ONSAN-VESSEL_DETAILS(1)(1).xlsx.scr.log

        Filesize

        1KB

        MD5

        b7b9acb869ccc7f7ecb5304ec0384dee

        SHA1

        6a90751c95817903ee833d59a0abbef425a613b3

        SHA256

        8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

        SHA512

        7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

      • memory/1400-10-0x0000000006750000-0x00000000067D2000-memory.dmp

        Filesize

        520KB

      • memory/1400-16-0x0000000074E10000-0x00000000755C0000-memory.dmp

        Filesize

        7.7MB

      • memory/1400-9-0x00000000066E0000-0x00000000066F0000-memory.dmp

        Filesize

        64KB

      • memory/1400-4-0x0000000005C70000-0x0000000005FC4000-memory.dmp

        Filesize

        3.3MB

      • memory/1400-5-0x0000000074E10000-0x00000000755C0000-memory.dmp

        Filesize

        7.7MB

      • memory/1400-6-0x0000000005330000-0x000000000533A000-memory.dmp

        Filesize

        40KB

      • memory/1400-7-0x0000000005520000-0x0000000005536000-memory.dmp

        Filesize

        88KB

      • memory/1400-8-0x00000000066D0000-0x00000000066DE000-memory.dmp

        Filesize

        56KB

      • memory/1400-3-0x0000000005110000-0x00000000051A2000-memory.dmp

        Filesize

        584KB

      • memory/1400-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

        Filesize

        5.6MB

      • memory/1400-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

        Filesize

        4KB

      • memory/1400-11-0x0000000008F40000-0x0000000008FDC000-memory.dmp

        Filesize

        624KB

      • memory/1400-1-0x00000000005C0000-0x0000000000698000-memory.dmp

        Filesize

        864KB

      • memory/4640-20-0x0000000074E10000-0x00000000755C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4640-15-0x0000000074E10000-0x00000000755C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4640-18-0x0000000074E10000-0x00000000755C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4640-17-0x00000000052F0000-0x0000000005356000-memory.dmp

        Filesize

        408KB

      • memory/4640-19-0x0000000006710000-0x0000000006760000-memory.dmp

        Filesize

        320KB

      • memory/4640-12-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB