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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2023, 10:22

General

  • Target

    07102faaffe2de9039c78a08d3337473.exe

  • Size

    919KB

  • MD5

    07102faaffe2de9039c78a08d3337473

  • SHA1

    12855d3f3714767d5aa9a1ae68d1fed483f1c001

  • SHA256

    d5ed9504812940d2447bb851ae8bb2467a1578b4554b52bac7654ca62d9e04c1

  • SHA512

    211599f2fc83835d366423c1fe19ad7cd04d1c696b48ca0651ca1b1262e405423e108cf8a72142191f84ff60755801950c16a7a24f1bbfb4b68f17dbf87bfb08

  • SSDEEP

    24576:5KCT4Y+g0pN5qRxEC8qhYLCFVKA1WjJb:kjg0Xo+kqLoIwWt

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hnxqezadblabdsss

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07102faaffe2de9039c78a08d3337473.exe
    "C:\Users\Admin\AppData\Local\Temp\07102faaffe2de9039c78a08d3337473.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\07102faaffe2de9039c78a08d3337473.exe
      "C:\Users\Admin\AppData\Local\Temp\07102faaffe2de9039c78a08d3337473.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\07102faaffe2de9039c78a08d3337473.exe.log

    Filesize

    1KB

    MD5

    36049bae97bba745c793444373453cb0

    SHA1

    eb6e9a822944e8e207abba1a5e53f0183a1684f1

    SHA256

    839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

    SHA512

    a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

  • memory/1368-137-0x0000000005210000-0x0000000005220000-memory.dmp

    Filesize

    64KB

  • memory/1368-134-0x0000000005210000-0x0000000005220000-memory.dmp

    Filesize

    64KB

  • memory/1368-136-0x0000000005460000-0x00000000054F2000-memory.dmp

    Filesize

    584KB

  • memory/1368-133-0x0000000000920000-0x0000000000A0C000-memory.dmp

    Filesize

    944KB

  • memory/1368-138-0x0000000007020000-0x00000000070BC000-memory.dmp

    Filesize

    624KB

  • memory/1368-139-0x0000000005210000-0x0000000005220000-memory.dmp

    Filesize

    64KB

  • memory/1368-135-0x0000000005970000-0x0000000005F14000-memory.dmp

    Filesize

    5.6MB

  • memory/4080-145-0x0000000006920000-0x0000000006970000-memory.dmp

    Filesize

    320KB

  • memory/4080-140-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4080-144-0x0000000005C60000-0x0000000005CC6000-memory.dmp

    Filesize

    408KB

  • memory/4080-143-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/4080-146-0x0000000006910000-0x000000000691A000-memory.dmp

    Filesize

    40KB

  • memory/4080-147-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/4080-148-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/4080-149-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB