Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:22

General

  • Target

    742ddd7c28a8c3f513b7b4626fc8a8ecf6c6055d25882106332d00eb794482aa.exe

  • Size

    799KB

  • MD5

    2b666b4a29e7c9c2ffdb4422db935778

  • SHA1

    2e1776e706b47a696e28db905e54122a7fbba3a9

  • SHA256

    742ddd7c28a8c3f513b7b4626fc8a8ecf6c6055d25882106332d00eb794482aa

  • SHA512

    b5f06489c8a48d33f91926c9b7de9247d5189cc054b60b742ba4f90c5225d680654a8a313cf77178877a5f00e2bbb520a0c12823fee1985193b70760a228142d

  • SSDEEP

    12288:0kKE6jD/62iNG5nF8K6C0pU3EYc1D0oVCc7z5PE34s6LfHQ06yoPme/PG3gQE4:0kKtD/61IZaYc1D/Bf5PC0wLyeDuU4

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\742ddd7c28a8c3f513b7b4626fc8a8ecf6c6055d25882106332d00eb794482aa.exe
    "C:\Users\Admin\AppData\Local\Temp\742ddd7c28a8c3f513b7b4626fc8a8ecf6c6055d25882106332d00eb794482aa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\742ddd7c28a8c3f513b7b4626fc8a8ecf6c6055d25882106332d00eb794482aa.exe
      "C:\Users\Admin\AppData\Local\Temp\742ddd7c28a8c3f513b7b4626fc8a8ecf6c6055d25882106332d00eb794482aa.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1872-0-0x00000000011F0000-0x00000000012BE000-memory.dmp

    Filesize

    824KB

  • memory/1872-1-0x0000000074B70000-0x000000007525E000-memory.dmp

    Filesize

    6.9MB

  • memory/1872-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

    Filesize

    256KB

  • memory/1872-3-0x0000000000530000-0x0000000000548000-memory.dmp

    Filesize

    96KB

  • memory/1872-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

    Filesize

    32KB

  • memory/1872-5-0x0000000000430000-0x000000000043A000-memory.dmp

    Filesize

    40KB

  • memory/1872-6-0x0000000001120000-0x000000000119A000-memory.dmp

    Filesize

    488KB

  • memory/1872-18-0x0000000074B70000-0x000000007525E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2960-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2960-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2960-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2960-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2960-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2960-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2960-19-0x0000000074B70000-0x000000007525E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-20-0x0000000001160000-0x00000000011A0000-memory.dmp

    Filesize

    256KB

  • memory/2960-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2960-21-0x0000000074B70000-0x000000007525E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-22-0x0000000001160000-0x00000000011A0000-memory.dmp

    Filesize

    256KB