Analysis

  • max time kernel
    68s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 18:50

General

  • Target

    DHL AWB FILE.exe

  • Size

    1.1MB

  • MD5

    ce3c13ed9f70019df2816b652bbac246

  • SHA1

    d5fddf51d46036d347319dfdc23d37627ed2d499

  • SHA256

    66e548774f497cb4dba29b195df59b74b351365eaa777f1516a1baa02805ab22

  • SHA512

    dcf8e92995096fc8db154e73a2f985d2a201c8b43eb9612ba4edffffd103e752ba541027d1dced573bd4f4e456d4556bd03c3824eddd681cdb7f5583a9c2d28d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gascuenca.es
  • Port:
    587
  • Username:
    cesarrodriguez@gascuenca.es
  • Password:
    gasW203@Z7

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 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB FILE.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB FILE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB FILE.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB FILE.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1304
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1584

    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

    • memory/1304-55-0x00000000004AE2C0-mapping.dmp
    • memory/1304-58-0x00000000002D0000-0x0000000000322000-memory.dmp
      Filesize

      328KB

    • memory/1304-57-0x00000000002D0000-0x0000000000322000-memory.dmp
      Filesize

      328KB

    • memory/1304-60-0x0000000074950000-0x0000000074EFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1584-61-0x0000000000000000-mapping.dmp
    • memory/1756-54-0x00000000753B1000-0x00000000753B3000-memory.dmp
      Filesize

      8KB

    • memory/1756-56-0x0000000000240000-0x0000000000249000-memory.dmp
      Filesize

      36KB