Analysis

  • max time kernel
    95s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:32

General

  • Target

    P O 05884-20.pdf.exe

  • Size

    583KB

  • MD5

    994c6ca8658a5d58f91b5f3993aa4000

  • SHA1

    96220f118494e372964806294d205341af5a7dfa

  • SHA256

    aabe14b147b240cb1c6bb3f2b55c5abe8126e5507c6b346a07dd426ca1da6fb1

  • SHA512

    69f2e8a91000d7f3fe5ae885d4c78c6f0f417d1115e49c1c0570dcd3ad82646eefb0bf3af972645b7e814fe9cc9cd1f4434cf346977ab71f9e9c07b56417ef73

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\P O 05884-20.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\P O 05884-20.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Users\Admin\AppData\Local\Temp\P O 05884-20.pdf.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:2160

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

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\P O 05884-20.pdf.exe.log
    Filesize

    611B

    MD5

    e09032fb626c6c1d10e2ab27b0278463

    SHA1

    a26ea328ef81ab53a9883f7b9c7d3998883eaf47

    SHA256

    1b834fc0faded24ae9665629c739742a2614784d62f96f9f982a6c678e916147

    SHA512

    2c341b371103d67fb0bd1e49a4a07b3037e3a304b914446c103de43f87370d584e666f0b93e2c28c776188e975cd95855bb3a1bc4ddbcac89acd62ec46cb5e35

  • memory/2160-133-0x0000000000000000-mapping.dmp
  • memory/2160-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2160-136-0x0000000005C30000-0x00000000061D4000-memory.dmp
    Filesize

    5.6MB

  • memory/2160-137-0x0000000006420000-0x0000000006486000-memory.dmp
    Filesize

    408KB

  • memory/2160-138-0x0000000006C90000-0x0000000006CE0000-memory.dmp
    Filesize

    320KB

  • memory/2160-139-0x0000000006F40000-0x0000000006F4A000-memory.dmp
    Filesize

    40KB

  • memory/4748-130-0x0000000000C90000-0x0000000000D28000-memory.dmp
    Filesize

    608KB

  • memory/4748-131-0x0000000005540000-0x00000000055DC000-memory.dmp
    Filesize

    624KB

  • memory/4748-132-0x00000000057B0000-0x0000000005842000-memory.dmp
    Filesize

    584KB