Analysis

  • max time kernel
    105s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 14:58

General

  • Target

    QH1BV5bAx3RjzS7.exe

  • Size

    1.4MB

  • MD5

    c98b552f08d6af1b3b14ac134724cf9e

  • SHA1

    181d21d2f160433da1bf9d8f7194665e84565cd2

  • SHA256

    bc0a1153681fd21f8ea15a81e41d256a7a10623554db56a74d2b244547248e7c

  • SHA512

    e4a14fb4cbdd68ad71776db1c4f06b5fd2928d37ead8751425aad313c4e8061ebc52fa926ed89a878c69119b07bfe805599cee69db5ff122bb01459c5971783e

  • SSDEEP

    24576:V3ddlVYSVuuqiZAr/Kqh4pwtaZeb7k+bZ/219cEtg3bCqM6kdtGDicURtcwr7g6/:9HYSVuuqiZAr/Kc4pwtaZeb7k+bZ/21v

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5380301623:AAEiiAoD9x5hD8Dpz7EhZFXpW2UQGzFYtzs/sendDocument

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 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\QH1BV5bAx3RjzS7.exe
    "C:\Users\Admin\AppData\Local\Temp\QH1BV5bAx3RjzS7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\QH1BV5bAx3RjzS7.exe
      "C:\Users\Admin\AppData\Local\Temp\QH1BV5bAx3RjzS7.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:616

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/616-64-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/616-59-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/616-60-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/616-62-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/616-63-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/616-65-0x0000000000435CCE-mapping.dmp

  • memory/616-67-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/616-69-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1720-55-0x00000000762B1000-0x00000000762B3000-memory.dmp

    Filesize

    8KB

  • memory/1720-56-0x0000000001F30000-0x0000000001F46000-memory.dmp

    Filesize

    88KB

  • memory/1720-57-0x00000000056B0000-0x0000000005748000-memory.dmp

    Filesize

    608KB

  • memory/1720-58-0x00000000042A0000-0x00000000042DC000-memory.dmp

    Filesize

    240KB

  • memory/1720-54-0x00000000008B0000-0x0000000000A10000-memory.dmp

    Filesize

    1.4MB