Analysis

  • max time kernel
    116s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 04:17

General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe

  • Size

    670KB

  • MD5

    c03df73f42c3cf0633c62b518049e6d7

  • SHA1

    91ae9b1f2d9a63f8873ef417a81c1b3ee9bf7742

  • SHA256

    a0256620e6fca3aed48fb36d3d7d798e5d0f790bdfaf93e56a4b9471ade8f7e7

  • SHA512

    5ff6242cd45430797008be8e974fe9da230750437d0d6e6367564675e65ed2a075f510599a5789faa3e96723a33f27a79d6cd134d86e4534423c26998ea339d1

  • SSDEEP

    12288:40BB778QNGSyjVmrRmm1xy56gdQSrH78yCe38urnFkisI+hNZ9dD88p6Z/A2CnkR:HBBnG/Ymm1xy56rSrHIy8+jh+XPdDpe3

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3260
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe"
      2⤵
        PID:3528
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3452

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.RATX-gen.18729.16741.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/3260-10-0x0000000009420000-0x00000000094BC000-memory.dmp
      Filesize

      624KB

    • memory/3260-14-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/3260-9-0x0000000006CE0000-0x0000000006D64000-memory.dmp
      Filesize

      528KB

    • memory/3260-5-0x0000000005980000-0x000000000598A000-memory.dmp
      Filesize

      40KB

    • memory/3260-4-0x0000000005C30000-0x0000000005C40000-memory.dmp
      Filesize

      64KB

    • memory/3260-6-0x0000000005BD0000-0x0000000005BE8000-memory.dmp
      Filesize

      96KB

    • memory/3260-7-0x0000000005C10000-0x0000000005C1E000-memory.dmp
      Filesize

      56KB

    • memory/3260-8-0x0000000005C20000-0x0000000005C36000-memory.dmp
      Filesize

      88KB

    • memory/3260-3-0x0000000005A00000-0x0000000005A92000-memory.dmp
      Filesize

      584KB

    • memory/3260-0-0x0000000000F30000-0x0000000000FDA000-memory.dmp
      Filesize

      680KB

    • memory/3260-1-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/3260-2-0x0000000005FB0000-0x0000000006554000-memory.dmp
      Filesize

      5.6MB

    • memory/3452-15-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/3452-11-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3452-16-0x00000000056D0000-0x00000000056E0000-memory.dmp
      Filesize

      64KB

    • memory/3452-17-0x0000000005630000-0x0000000005696000-memory.dmp
      Filesize

      408KB

    • memory/3452-18-0x0000000006340000-0x0000000006390000-memory.dmp
      Filesize

      320KB

    • memory/3452-19-0x00000000749D0000-0x0000000075180000-memory.dmp
      Filesize

      7.7MB

    • memory/3452-20-0x00000000056D0000-0x00000000056E0000-memory.dmp
      Filesize

      64KB