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Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/06/2023, 07:57

General

  • Target

    611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe

  • Size

    815KB

  • MD5

    1782a5b335c06939e1d7fa948f059246

  • SHA1

    dfe21a0219516d06c95701d78cf9a32f52ea2f04

  • SHA256

    611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06

  • SHA512

    854644f2f1325ed9a07f99d1c4946535a44500c03083365484c515d4ca869ca92d603aad2699606fd70f1f40bba4449cf0f9f074e5ce05137c7b2d1f6dc46ed6

  • SSDEEP

    24576:pMQkEHlWxMiQW/O4ue75HH7ByWyXKtFyngGUQgzjHM:bxlYMiQWmS7tH7g/6nfJfs

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1105328307010015232/y3JHG4bp0jeynHE4DQgvB8OX8QijYxrk2CH91SY0HvNfeBptAktLBqo7Ix-7GllXk9Gz

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe
    "C:\Users\Admin\AppData\Local\Temp\611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe
      "C:\Users\Admin\AppData\Local\Temp\611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe"
      2⤵
        PID:4444
      • C:\Users\Admin\AppData\Local\Temp\611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe
        "C:\Users\Admin\AppData\Local\Temp\611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3088

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\611424dfb6c912df458e648a4571c42d7eae32d4cc2c5080ab4b948ee15c8c06.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2224-139-0x00000000084A0000-0x000000000853C000-memory.dmp

      Filesize

      624KB

    • memory/2224-135-0x0000000005490000-0x0000000005522000-memory.dmp

      Filesize

      584KB

    • memory/2224-136-0x0000000005610000-0x0000000005620000-memory.dmp

      Filesize

      64KB

    • memory/2224-137-0x0000000005440000-0x000000000544A000-memory.dmp

      Filesize

      40KB

    • memory/2224-138-0x0000000005610000-0x0000000005620000-memory.dmp

      Filesize

      64KB

    • memory/2224-133-0x00000000009D0000-0x0000000000AA0000-memory.dmp

      Filesize

      832KB

    • memory/2224-134-0x0000000005A40000-0x0000000005FE4000-memory.dmp

      Filesize

      5.6MB

    • memory/3088-140-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3088-143-0x0000000005410000-0x0000000005476000-memory.dmp

      Filesize

      408KB

    • memory/3088-144-0x0000000005570000-0x0000000005580000-memory.dmp

      Filesize

      64KB

    • memory/3088-145-0x0000000006FB0000-0x0000000007000000-memory.dmp

      Filesize

      320KB

    • memory/3088-146-0x0000000007290000-0x0000000007452000-memory.dmp

      Filesize

      1.8MB

    • memory/3088-147-0x0000000005570000-0x0000000005580000-memory.dmp

      Filesize

      64KB