Analysis

  • max time kernel
    64s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:01

General

  • Target

    New Order.exe

  • Size

    797KB

  • MD5

    3496b55b6fd286d65ea8f2c6115fba1d

  • SHA1

    27bc8cefa41099568b30512a5f7e16e708b878d1

  • SHA256

    c9322c62a7cf6690a698de9305d72e972b1ce5b83889433be20cbc99c1107132

  • SHA512

    55a1577e428ed62e7e980e0dcbdf2e5da6caff9a72f232ecacafdcb19f244bb9b5feb204f6801e9a15779a07b3ff3aa49db9512446296e7806f373e278a3dc56

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.megaworldcorps.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    UBx@@re1

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\New Order.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:900

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

  • memory/900-55-0x00000000004BE1D0-mapping.dmp
  • memory/900-57-0x00000000004C0000-0x000000000051A000-memory.dmp
    Filesize

    360KB

  • memory/900-58-0x00000000004C0000-0x000000000051A000-memory.dmp
    Filesize

    360KB

  • memory/900-60-0x00000000742A0000-0x000000007484B000-memory.dmp
    Filesize

    5.7MB

  • memory/1992-54-0x00000000751C1000-0x00000000751C3000-memory.dmp
    Filesize

    8KB

  • memory/1992-56-0x0000000000400000-0x00000000004CE000-memory.dmp
    Filesize

    824KB