Analysis

  • max time kernel
    50s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:30

General

  • Target

    Payment-Copy.exe

  • Size

    733KB

  • MD5

    de67a3a4fe2cfd212015b21591ca5e66

  • SHA1

    3ba1e4ffc548abdf9d1d271e7c32368411d2f877

  • SHA256

    3c84239cff22632c2ec3809490a5d558d526b70f6f18f051103404fa66f88113

  • SHA512

    a4971eb68bac9ec320e6e90e9ee8f2ed908b16251bf8e64fbf8bb840a24797ccba929ccb481ab02cf7df58998e2de72779b0773b13f4733b31e14db42b97b03d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chukwudi123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment-Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment-Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\Payment-Copy.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/952-54-0x00000000750C1000-0x00000000750C3000-memory.dmp
    Filesize

    8KB

  • memory/952-55-0x0000000074530000-0x0000000074ADB000-memory.dmp
    Filesize

    5.7MB

  • memory/2032-56-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2032-57-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2032-59-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2032-60-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2032-61-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2032-62-0x0000000000449E3E-mapping.dmp
  • memory/2032-64-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2032-66-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2032-68-0x0000000073F80000-0x000000007452B000-memory.dmp
    Filesize

    5.7MB