Analysis

  • max time kernel
    160s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:43

General

  • Target

    P160999.exe

  • Size

    626KB

  • MD5

    fd59f29a613cf82bf56b03b066c49a36

  • SHA1

    7c5310054b246c6a7fd6d3a602201b5d19ffb8bb

  • SHA256

    fda323de5210f1ec46ee237d0e58558d78d34474ea282bf5dd1ca448c5ad369b

  • SHA512

    c13b85ce5d7d0cab137e41197ba9ea29ff60193f1cc7c3b62451085c80caf97158328f5ec2a54eddd1a51c180d1dec709a43e2cbe8658c136cf2e26fd2d21b24

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.epaindemgroup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    }bf9e+EW5s$k

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P160999.exe
    "C:\Users\Admin\AppData\Local\Temp\P160999.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Users\Admin\AppData\Local\Temp\P160999.exe
      "{path}"
      2⤵
        PID:4360
      • C:\Users\Admin\AppData\Local\Temp\P160999.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2752

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\P160999.exe.log
      Filesize

      507B

      MD5

      76ffb2f33cb32ade8fc862a67599e9d8

      SHA1

      920cc4ab75b36d2f9f6e979b74db568973c49130

      SHA256

      f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

      SHA512

      f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

    • memory/2752-135-0x0000000000000000-mapping.dmp
    • memory/2752-136-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2752-138-0x0000000005CC0000-0x0000000005D26000-memory.dmp
      Filesize

      408KB

    • memory/2752-139-0x0000000006260000-0x000000000626A000-memory.dmp
      Filesize

      40KB

    • memory/3588-130-0x0000000000B60000-0x0000000000C02000-memory.dmp
      Filesize

      648KB

    • memory/3588-131-0x0000000005C40000-0x00000000061E4000-memory.dmp
      Filesize

      5.6MB

    • memory/3588-132-0x00000000055B0000-0x0000000005642000-memory.dmp
      Filesize

      584KB

    • memory/3588-133-0x0000000006380000-0x000000000641C000-memory.dmp
      Filesize

      624KB

    • memory/4360-134-0x0000000000000000-mapping.dmp