Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 02:49

General

  • Target

    2523bc51a434b45d9fa9881a77340fb7.exe

  • Size

    434KB

  • MD5

    2523bc51a434b45d9fa9881a77340fb7

  • SHA1

    5cc3f91c0ecae0f5bccd83d32636decb3c849840

  • SHA256

    816dcb90b3a0ca7d6dcecf4b65a1c999875ce0f1f9fdf1e366a75a4fa5961aa6

  • SHA512

    12ced3cdd42fbcba9f419739938637adb4ae94ae658370aea509c94fe7e4e77b9063f5ab436dae9ec5defbb7fe6e451956a676ce290e39107ac357be3875e939

  • SSDEEP

    6144:qLvDHBxZUvHoefKvbFFx15uOLykoFeUl/Psnl/s7xnqHLw/QgisQjB:QGIeS5zTuOL4essl/s9qHngisQd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.tkivna.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @2aweZ+x4+Ga

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2523bc51a434b45d9fa9881a77340fb7.exe
    "C:\Users\Admin\AppData\Local\Temp\2523bc51a434b45d9fa9881a77340fb7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\2523bc51a434b45d9fa9881a77340fb7.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2232-0-0x0000000000A30000-0x0000000000AA2000-memory.dmp

    Filesize

    456KB

  • memory/2232-1-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-2-0x0000000004D50000-0x0000000004D90000-memory.dmp

    Filesize

    256KB

  • memory/2232-3-0x0000000000230000-0x0000000000238000-memory.dmp

    Filesize

    32KB

  • memory/2232-4-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-5-0x0000000004D50000-0x0000000004D90000-memory.dmp

    Filesize

    256KB

  • memory/2232-6-0x0000000007FB0000-0x0000000008034000-memory.dmp

    Filesize

    528KB

  • memory/2232-7-0x0000000000AB0000-0x0000000000AEE000-memory.dmp

    Filesize

    248KB

  • memory/2232-19-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2740-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2740-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2740-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2740-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2740-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2740-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2740-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2740-20-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-21-0x0000000002000000-0x0000000002040000-memory.dmp

    Filesize

    256KB

  • memory/2740-22-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-23-0x0000000002000000-0x0000000002040000-memory.dmp

    Filesize

    256KB

  • memory/2740-24-0x0000000002000000-0x0000000002040000-memory.dmp

    Filesize

    256KB

  • memory/2740-25-0x0000000002000000-0x0000000002040000-memory.dmp

    Filesize

    256KB