Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:13

General

  • Target

    REQUEST FOR QUOTATION.exe

  • Size

    485KB

  • MD5

    0017d17282a129581734bed8909a1834

  • SHA1

    ed531a64ea7760b4340050b0c0ac22c986bfbed9

  • SHA256

    447235c202bca3db7596b2c56520f599911d763ff35c60bcfb1ede433a48d1f9

  • SHA512

    d44a6c3163ab5a85bed8d191a1390cc82b66cf36b5e93712a7ae25e781aec4769cf2b07263eefa5ede36ab67e92517e07d4dc9f2c148f328cc1cf1cccf9727e8

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    faith12AB

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    faith12AB

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe
      "{path}"
      2⤵
        PID:3804
      • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3472

    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\REQUEST FOR QUOTATION.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1964-130-0x0000000000BC0000-0x0000000000C40000-memory.dmp
      Filesize

      512KB

    • memory/1964-131-0x0000000008010000-0x00000000085B4000-memory.dmp
      Filesize

      5.6MB

    • memory/1964-132-0x0000000007B00000-0x0000000007B92000-memory.dmp
      Filesize

      584KB

    • memory/1964-133-0x0000000007AB0000-0x0000000007ABA000-memory.dmp
      Filesize

      40KB

    • memory/1964-134-0x0000000007E10000-0x0000000007EAC000-memory.dmp
      Filesize

      624KB

    • memory/3472-136-0x0000000000000000-mapping.dmp
    • memory/3472-137-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/3472-139-0x00000000054B0000-0x0000000005516000-memory.dmp
      Filesize

      408KB

    • memory/3472-140-0x0000000006480000-0x00000000064D0000-memory.dmp
      Filesize

      320KB

    • memory/3804-135-0x0000000000000000-mapping.dmp