Analysis

  • max time kernel
    112s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2022 15:34

General

  • Target

    Q2849-748.exe

  • Size

    917KB

  • MD5

    0f844392d397dc7fa5110d437954a891

  • SHA1

    7e2557d4dbbcc92633883cb7d68bba1b5d6c6e27

  • SHA256

    8373691997253a144ab7c2059be27c2b1aa3e2172c424058cba3df514f9903b0

  • SHA512

    1ff5479fc3d3dee18820acd9381e6fcd8758e9e9fd058a47145986a025ecc772140bfdd601486148cf42a98018568618431c6147227ee3f923bc93c7712a76b9

  • SSDEEP

    12288:acr2iNwl+bPoOrJXdvGo5u4S0IGP18wHVP2l0Kl2nJEqR7miLByqzNMPVgURVrDt:Zr1W+bAqFG14S0Kw1WSnT9miLBI

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cnseguros.hn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Rebecca2007

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Q2849-748.exe
    "C:\Users\Admin\AppData\Local\Temp\Q2849-748.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\Q2849-748.exe
      "C:\Users\Admin\AppData\Local\Temp\Q2849-748.exe"
      2⤵
        PID:1408
      • C:\Users\Admin\AppData\Local\Temp\Q2849-748.exe
        "C:\Users\Admin\AppData\Local\Temp\Q2849-748.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4340

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Q2849-748.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1408-137-0x0000000000000000-mapping.dmp

    • memory/2692-132-0x0000000000010000-0x00000000000FC000-memory.dmp

      Filesize

      944KB

    • memory/2692-133-0x0000000004FA0000-0x0000000005544000-memory.dmp

      Filesize

      5.6MB

    • memory/2692-134-0x0000000004A90000-0x0000000004B22000-memory.dmp

      Filesize

      584KB

    • memory/2692-135-0x0000000004C30000-0x0000000004C3A000-memory.dmp

      Filesize

      40KB

    • memory/2692-136-0x0000000004D00000-0x0000000004D9C000-memory.dmp

      Filesize

      624KB

    • memory/4340-138-0x0000000000000000-mapping.dmp

    • memory/4340-139-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4340-141-0x0000000005E80000-0x0000000005EE6000-memory.dmp

      Filesize

      408KB

    • memory/4340-142-0x00000000068C0000-0x0000000006910000-memory.dmp

      Filesize

      320KB