Analysis

  • max time kernel
    144s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 09:08

General

  • Target

    PO#50124.exe

  • Size

    668KB

  • MD5

    b4306234a3b45c69df6a6a7cecd6070c

  • SHA1

    323197c988bc794e3a6314fce81dc20c48d234ee

  • SHA256

    13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8

  • SHA512

    a30bd4b6365ced8bf53fd6f57c0e30896bdea733305c2c51bd4e63f7c3451a12b64e85cd16c292a02cae6ae2083532ec72ff5151dfed7aa708279aa259cefe16

  • SSDEEP

    12288:cHgnFyHgP/NbIyeSPqBFAbCS2m+2hTMRZuEAFgzknK7N8VJqaW:c+yHs/Nt8BUCmZhTGZuBFKR8V

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alkuwaiti.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ele@1804

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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 behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#50124.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#50124.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Users\Admin\AppData\Local\Temp\PO#50124.exe
      "C:\Users\Admin\AppData\Local\Temp\PO#50124.exe"
      2⤵
        PID:1444
      • C:\Users\Admin\AppData\Local\Temp\PO#50124.exe
        "C:\Users\Admin\AppData\Local\Temp\PO#50124.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2684

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO#50124.exe.log
      Filesize

      1KB

      MD5

      36049bae97bba745c793444373453cb0

      SHA1

      eb6e9a822944e8e207abba1a5e53f0183a1684f1

      SHA256

      839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

      SHA512

      a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

    • memory/2684-16-0x0000000004F00000-0x0000000004F66000-memory.dmp
      Filesize

      408KB

    • memory/2684-15-0x0000000004D80000-0x0000000004D90000-memory.dmp
      Filesize

      64KB

    • memory/2684-10-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2684-19-0x00000000752C0000-0x0000000075A70000-memory.dmp
      Filesize

      7.7MB

    • memory/2684-18-0x0000000006740000-0x000000000674A000-memory.dmp
      Filesize

      40KB

    • memory/2684-17-0x0000000006570000-0x00000000065C0000-memory.dmp
      Filesize

      320KB

    • memory/2684-13-0x00000000752C0000-0x0000000075A70000-memory.dmp
      Filesize

      7.7MB

    • memory/2684-20-0x0000000004D80000-0x0000000004D90000-memory.dmp
      Filesize

      64KB

    • memory/4008-3-0x00000000054B0000-0x0000000005A54000-memory.dmp
      Filesize

      5.6MB

    • memory/4008-8-0x0000000009DB0000-0x0000000009E32000-memory.dmp
      Filesize

      520KB

    • memory/4008-7-0x0000000005130000-0x0000000005144000-memory.dmp
      Filesize

      80KB

    • memory/4008-1-0x00000000752C0000-0x0000000075A70000-memory.dmp
      Filesize

      7.7MB

    • memory/4008-14-0x00000000752C0000-0x0000000075A70000-memory.dmp
      Filesize

      7.7MB

    • memory/4008-2-0x0000000004D50000-0x0000000004D60000-memory.dmp
      Filesize

      64KB

    • memory/4008-0-0x0000000000360000-0x000000000040A000-memory.dmp
      Filesize

      680KB

    • memory/4008-6-0x0000000005110000-0x000000000511E000-memory.dmp
      Filesize

      56KB

    • memory/4008-5-0x00000000050E0000-0x00000000050F8000-memory.dmp
      Filesize

      96KB

    • memory/4008-4-0x0000000004FE0000-0x0000000005072000-memory.dmp
      Filesize

      584KB

    • memory/4008-9-0x000000000CED0000-0x000000000CF6C000-memory.dmp
      Filesize

      624KB