Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 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:2076
    • 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:2248

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

  • memory/2076-0-0x0000000000ED0000-0x0000000000F7A000-memory.dmp
    Filesize

    680KB

  • memory/2076-1-0x0000000074560000-0x0000000074C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2076-2-0x0000000004750000-0x0000000004790000-memory.dmp
    Filesize

    256KB

  • memory/2076-3-0x0000000000730000-0x0000000000748000-memory.dmp
    Filesize

    96KB

  • memory/2076-4-0x0000000000760000-0x000000000076E000-memory.dmp
    Filesize

    56KB

  • memory/2076-5-0x0000000000920000-0x0000000000934000-memory.dmp
    Filesize

    80KB

  • memory/2076-6-0x000000000A210000-0x000000000A292000-memory.dmp
    Filesize

    520KB

  • memory/2076-20-0x0000000074560000-0x0000000074C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2248-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-21-0x0000000074560000-0x0000000074C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-22-0x0000000074560000-0x0000000074C4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-23-0x0000000004B90000-0x0000000004BD0000-memory.dmp
    Filesize

    256KB