Analysis

  • max time kernel
    133s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 09:40

General

  • Target

    MTM TBA VSL's DETAILS.pdf.scr

  • Size

    843KB

  • MD5

    6e075d09953e877c0ca9a98ac749dff2

  • SHA1

    a3dc16d79e5487c622c30545a47ac504573e9ea8

  • SHA256

    50ef75bd66c4bb9ce6001a41b53c0925e98eaed9b94b7125543ffecc0d4ace82

  • SHA512

    67bb4c0e98751650b4d170dc30d110c035b4115952fda1b725ff73290675d712b9947e79f7f424df2b2e9a40d9bddbbe33bbc1147552c99ee0c0da8cc3a0d550

  • SSDEEP

    24576:3MYeLSN5iFoayUfVtUv6LPg/Vv82DFF4:3MYeGN5iFZyMNzg/2wFF4

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:232
    • C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr"
      2⤵
        PID:2688
      • C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr
        "C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MTM TBA VSL's DETAILS.pdf.scr.log

      Filesize

      1KB

      MD5

      b7b9acb869ccc7f7ecb5304ec0384dee

      SHA1

      6a90751c95817903ee833d59a0abbef425a613b3

      SHA256

      8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

      SHA512

      7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

    • memory/232-10-0x00000000070A0000-0x0000000007122000-memory.dmp

      Filesize

      520KB

    • memory/232-1-0x0000000000F50000-0x0000000001028000-memory.dmp

      Filesize

      864KB

    • memory/232-9-0x0000000007030000-0x0000000007040000-memory.dmp

      Filesize

      64KB

    • memory/232-4-0x0000000005970000-0x0000000005CC4000-memory.dmp

      Filesize

      3.3MB

    • memory/232-5-0x00000000063A0000-0x00000000063AA000-memory.dmp

      Filesize

      40KB

    • memory/232-6-0x0000000074610000-0x0000000074DC0000-memory.dmp

      Filesize

      7.7MB

    • memory/232-7-0x0000000007000000-0x0000000007016000-memory.dmp

      Filesize

      88KB

    • memory/232-8-0x0000000007020000-0x000000000702E000-memory.dmp

      Filesize

      56KB

    • memory/232-3-0x00000000058D0000-0x0000000005962000-memory.dmp

      Filesize

      584KB

    • memory/232-0-0x000000007461E000-0x000000007461F000-memory.dmp

      Filesize

      4KB

    • memory/232-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

      Filesize

      5.6MB

    • memory/232-11-0x0000000009780000-0x000000000981C000-memory.dmp

      Filesize

      624KB

    • memory/232-15-0x0000000074610000-0x0000000074DC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4816-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4816-16-0x0000000074610000-0x0000000074DC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4816-17-0x0000000074610000-0x0000000074DC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4816-18-0x0000000005550000-0x00000000055B6000-memory.dmp

      Filesize

      408KB

    • memory/4816-19-0x0000000006C00000-0x0000000006C50000-memory.dmp

      Filesize

      320KB

    • memory/4816-20-0x0000000074610000-0x0000000074DC0000-memory.dmp

      Filesize

      7.7MB