Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 01:59

General

  • Target

    04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe

  • Size

    974KB

  • MD5

    1a1b0c2be8ec7528738479cdedc0a952

  • SHA1

    d853cc9c15f10df4623e14424c9e23fedfc5550b

  • SHA256

    04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706

  • SHA512

    ef45c4ccd3e710e953f44f2093d7fbaa299629663e0dcd19bff94a0adc404219ed1654d5006331c12acb5dd29f0d0139389181c4682f7edb1e1ad660675ada31

  • SSDEEP

    12288:vGXhkZ55wfp+CiLQhFDIZhKAddtdX52x/i512HLT4OH//N:vqK/OxNiEHDIZh7djWx/q12HLsOH9

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6488735902:AAFjq98r8SzTcc0BHWZQiLUk749fQ78ULos/

Signatures

  • AgentTesla

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

  • 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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe
    "C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe
      "C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe"
      2⤵
        PID:2456
      • C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe
        "C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe"
        2⤵
          PID:4544
        • C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe
          "C:\Users\Admin\AppData\Local\Temp\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1028

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      3
      T1552

      Credentials In Files

      3
      T1552.001

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\04fe2d015154c4ee70417431c1398adfe9b9558430f7e5332de342a5d0465706.exe.log
        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/1028-13-0x0000000000400000-0x0000000000444000-memory.dmp
        Filesize

        272KB

      • memory/1028-22-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
        Filesize

        64KB

      • memory/1028-21-0x0000000074740000-0x0000000074EF0000-memory.dmp
        Filesize

        7.7MB

      • memory/1028-20-0x0000000006630000-0x0000000006680000-memory.dmp
        Filesize

        320KB

      • memory/1028-19-0x00000000050C0000-0x0000000005126000-memory.dmp
        Filesize

        408KB

      • memory/1028-18-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
        Filesize

        64KB

      • memory/1028-17-0x0000000074740000-0x0000000074EF0000-memory.dmp
        Filesize

        7.7MB

      • memory/4344-5-0x0000000004EF0000-0x0000000004EFA000-memory.dmp
        Filesize

        40KB

      • memory/4344-6-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
        Filesize

        104KB

      • memory/4344-10-0x000000000A290000-0x000000000A32C000-memory.dmp
        Filesize

        624KB

      • memory/4344-11-0x0000000074740000-0x0000000074EF0000-memory.dmp
        Filesize

        7.7MB

      • memory/4344-12-0x0000000004E70000-0x0000000004E80000-memory.dmp
        Filesize

        64KB

      • memory/4344-8-0x0000000006300000-0x000000000630A000-memory.dmp
        Filesize

        40KB

      • memory/4344-7-0x00000000062E0000-0x00000000062E8000-memory.dmp
        Filesize

        32KB

      • memory/4344-9-0x0000000007BD0000-0x0000000007C4E000-memory.dmp
        Filesize

        504KB

      • memory/4344-16-0x0000000074740000-0x0000000074EF0000-memory.dmp
        Filesize

        7.7MB

      • memory/4344-0-0x0000000000400000-0x00000000004F8000-memory.dmp
        Filesize

        992KB

      • memory/4344-4-0x0000000004E70000-0x0000000004E80000-memory.dmp
        Filesize

        64KB

      • memory/4344-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp
        Filesize

        584KB

      • memory/4344-2-0x0000000005510000-0x0000000005AB4000-memory.dmp
        Filesize

        5.6MB

      • memory/4344-1-0x0000000074740000-0x0000000074EF0000-memory.dmp
        Filesize

        7.7MB