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Analysis

  • max time kernel
    139s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 03:55

General

  • Target

    ORDEN DE COMPRA.exe

  • Size

    893KB

  • MD5

    83f87a4734849d17938d841c91ee53c6

  • SHA1

    06950782e923a1fc76dcb8c590580b58a2eb4c2f

  • SHA256

    b822f0fdc5aac44af623c0fe224fca6af76feac6f2bccb59ab15cfcdaa7bfe0f

  • SHA512

    ae947be1864ab0ed1a09a947c71a1f872ee5ecfcccf0fbbceba1da2287ff885a1df1bd5844b219cbccd821d95f3dd25d7ec5ba51267585d62bb9ab6fc737428a

  • SSDEEP

    12288:ALNphggghCLV2GecUowJVNaU67hB/6Vj3Fh1JKWd+WMcsDwky7Dz71pP7mo5oFC4:UNphggZVDgNavhxohe6XF7mo5oFCEkv

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    romeovm2015

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA.exe
      "C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2224-1-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-0-0x00000000012A0000-0x0000000001386000-memory.dmp

    Filesize

    920KB

  • memory/2224-2-0x0000000000650000-0x0000000000690000-memory.dmp

    Filesize

    256KB

  • memory/2224-3-0x0000000000640000-0x0000000000652000-memory.dmp

    Filesize

    72KB

  • memory/2224-4-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-5-0x0000000000650000-0x0000000000690000-memory.dmp

    Filesize

    256KB

  • memory/2224-6-0x0000000008060000-0x00000000080EA000-memory.dmp

    Filesize

    552KB

  • memory/2224-7-0x0000000000970000-0x00000000009B2000-memory.dmp

    Filesize

    264KB

  • memory/2224-24-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2672-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2672-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2672-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2672-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2672-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2672-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2672-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2672-23-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-25-0x0000000001210000-0x0000000001250000-memory.dmp

    Filesize

    256KB

  • memory/2672-27-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2672-28-0x0000000001210000-0x0000000001250000-memory.dmp

    Filesize

    256KB