Analysis

  • max time kernel
    62s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2023 12:01

General

  • Target

    7b01a2cb28ca9380f7bfc9537e21c337.exe

  • Size

    587KB

  • MD5

    7b01a2cb28ca9380f7bfc9537e21c337

  • SHA1

    b18c59f0ae50c2dae44412da4c0398f994bf4844

  • SHA256

    d94ff3cae0cda84338cd5a45ba92639c5e824a77a8de9f4e77a69b9307f3e69d

  • SHA512

    4670d1c09cc915570cdbf0bc4d7d8a3233e18ede2cd856f018cad479212a6669fa86982e912202967c900ce68d84ddeb9170a254505c3857a8a6877d02d20ce1

  • SSDEEP

    12288:BPysScnuAC8AU3ofUW76eY1mPjDYgUxEKegcwVXOx3MGE:1mpN760PjDYgALo8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.valvulasthermovalve.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Signatures

  • AgentTesla

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

  • 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 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\7b01a2cb28ca9380f7bfc9537e21c337.exe
    "C:\Users\Admin\AppData\Local\Temp\7b01a2cb28ca9380f7bfc9537e21c337.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Users\Admin\AppData\Local\Temp\7b01a2cb28ca9380f7bfc9537e21c337.exe
      "C:\Users\Admin\AppData\Local\Temp\7b01a2cb28ca9380f7bfc9537e21c337.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1392

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1088-54-0x0000000000BF0000-0x0000000000C8A000-memory.dmp

    Filesize

    616KB

  • memory/1088-55-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/1088-56-0x00000000002B0000-0x00000000002C2000-memory.dmp

    Filesize

    72KB

  • memory/1088-57-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/1088-58-0x0000000000410000-0x000000000041A000-memory.dmp

    Filesize

    40KB

  • memory/1088-59-0x0000000004E10000-0x0000000004E7A000-memory.dmp

    Filesize

    424KB

  • memory/1088-60-0x0000000000BB0000-0x0000000000BE2000-memory.dmp

    Filesize

    200KB

  • memory/1392-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1392-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1392-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1392-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1392-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1392-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1392-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1392-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1392-71-0x00000000044D0000-0x0000000004510000-memory.dmp

    Filesize

    256KB

  • memory/1392-86-0x00000000044D0000-0x0000000004510000-memory.dmp

    Filesize

    256KB