Analysis

  • max time kernel
    90s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 19:43

General

  • Target

    uVlTeUWgm4ISr6l.exe

  • Size

    915KB

  • MD5

    5aea66d5375bc35a43ab4aa6db4ff5c4

  • SHA1

    7531cd5fbf0f76ed55818cb5706096bfce1690e9

  • SHA256

    36b7000abc9cff76892dae044f51bbe8eff45e278c096e2d94a387b44dce2922

  • SHA512

    8878b93af54fb383d5c5c4497f9b3474f644a79d48fe4b10288078cf0f2311987a93e77dd0ca0b96a075199146926b07d7ad67dd494a93a49893ff7c633ef774

  • SSDEEP

    12288:DS3ui9IbKMIrD2qtkbhf9koQkAFaph0ghBqPwNK7sb7/sn1gSp4JZb9jqV9QsYj3:q1nMUwbhlkoXASh5e7w7En1gSp4Tb9j

Malware Config

Extracted

Family

agenttesla

Credentials

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 WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uVlTeUWgm4ISr6l.exe
    "C:\Users\Admin\AppData\Local\Temp\uVlTeUWgm4ISr6l.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\uVlTeUWgm4ISr6l.exe
      "C:\Users\Admin\AppData\Local\Temp\uVlTeUWgm4ISr6l.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/756-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/756-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/756-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/756-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/756-66-0x0000000000437C9E-mapping.dmp

  • memory/756-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/756-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/756-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1604-55-0x0000000076461000-0x0000000076463000-memory.dmp

    Filesize

    8KB

  • memory/1604-54-0x0000000000AE0000-0x0000000000BCA000-memory.dmp

    Filesize

    936KB

  • memory/1604-59-0x0000000000AA0000-0x0000000000ADE000-memory.dmp

    Filesize

    248KB

  • memory/1604-58-0x0000000004CA0000-0x0000000004D18000-memory.dmp

    Filesize

    480KB

  • memory/1604-57-0x0000000000340000-0x000000000034E000-memory.dmp

    Filesize

    56KB

  • memory/1604-56-0x0000000000320000-0x0000000000336000-memory.dmp

    Filesize

    88KB