Analysis

  • max time kernel
    37s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 01:47

General

  • Target

    13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe

  • Size

    668KB

  • MD5

    b4306234a3b45c69df6a6a7cecd6070c

  • SHA1

    323197c988bc794e3a6314fce81dc20c48d234ee

  • SHA256

    13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8

  • SHA512

    a30bd4b6365ced8bf53fd6f57c0e30896bdea733305c2c51bd4e63f7c3451a12b64e85cd16c292a02cae6ae2083532ec72ff5151dfed7aa708279aa259cefe16

  • SSDEEP

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

Malware Config

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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe
    "C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe
      "C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe.log

    Filesize

    1KB

    MD5

    36049bae97bba745c793444373453cb0

    SHA1

    eb6e9a822944e8e207abba1a5e53f0183a1684f1

    SHA256

    839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

    SHA512

    a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

  • memory/408-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/408-19-0x0000000005610000-0x0000000005620000-memory.dmp

    Filesize

    64KB

  • memory/408-18-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/408-17-0x0000000006EF0000-0x0000000006EFA000-memory.dmp

    Filesize

    40KB

  • memory/408-16-0x0000000006D50000-0x0000000006DA0000-memory.dmp

    Filesize

    320KB

  • memory/408-15-0x0000000005690000-0x00000000056F6000-memory.dmp

    Filesize

    408KB

  • memory/408-13-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-4-0x0000000005B70000-0x0000000005C02000-memory.dmp

    Filesize

    584KB

  • memory/1712-9-0x000000000DAC0000-0x000000000DB5C000-memory.dmp

    Filesize

    624KB

  • memory/1712-8-0x000000000A9A0000-0x000000000AA22000-memory.dmp

    Filesize

    520KB

  • memory/1712-7-0x0000000005DD0000-0x0000000005DE4000-memory.dmp

    Filesize

    80KB

  • memory/1712-6-0x0000000005DB0000-0x0000000005DBE000-memory.dmp

    Filesize

    56KB

  • memory/1712-14-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-5-0x0000000005D90000-0x0000000005DA8000-memory.dmp

    Filesize

    96KB

  • memory/1712-0-0x0000000000F00000-0x0000000000FAA000-memory.dmp

    Filesize

    680KB

  • memory/1712-3-0x0000000006010000-0x00000000065B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1712-2-0x0000000005940000-0x0000000005950000-memory.dmp

    Filesize

    64KB

  • memory/1712-1-0x00000000749D0000-0x0000000075180000-memory.dmp

    Filesize

    7.7MB