Analysis

  • max time kernel
    222s
  • max time network
    258s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 02:06

General

  • Target

    d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe

  • Size

    554KB

  • MD5

    58bc73ec78ca87e9fc1b1a39f6b2148c

  • SHA1

    6b7ee6fa1970350afafaccaa5205c3ea68d03868

  • SHA256

    d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5

  • SHA512

    dd9129d77f379b8a29470328fe09dbda4cc55d485ae875d7ffc97fb71fe2d5434e6aee213b34345a346ad46dda8843e4907fee52fe5dea8aed71d8d52c9eeb23

  • SSDEEP

    12288:aT6D4xSSas/isvlcmAfW8FP7r9r/+ppppppppppppppppppppppppppppp0G:aT6D4xSBsZbUT1q

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe
    "C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe
      "C:\Users\Admin\AppData\Local\Temp\d7e484c20f0341e35945ad2a6f803fcd0829a68b7dedf05430c0be06d5392ed5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3232-12-0x0000000006A60000-0x0000000006AB0000-memory.dmp

    Filesize

    320KB

  • memory/3232-5-0x00000000059D0000-0x0000000005F74000-memory.dmp

    Filesize

    5.6MB

  • memory/3232-15-0x0000000006B10000-0x0000000006B1A000-memory.dmp

    Filesize

    40KB

  • memory/3232-3-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3232-8-0x0000000005410000-0x0000000005420000-memory.dmp

    Filesize

    64KB

  • memory/3232-6-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3232-14-0x0000000006BF0000-0x0000000006C82000-memory.dmp

    Filesize

    584KB

  • memory/3232-7-0x0000000005380000-0x00000000053E6000-memory.dmp

    Filesize

    408KB

  • memory/3232-13-0x0000000006B50000-0x0000000006BEC000-memory.dmp

    Filesize

    624KB

  • memory/3232-11-0x0000000005410000-0x0000000005420000-memory.dmp

    Filesize

    64KB

  • memory/3232-10-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-9-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-0-0x0000000000440000-0x00000000004D0000-memory.dmp

    Filesize

    576KB

  • memory/4868-4-0x0000000002880000-0x0000000002881000-memory.dmp

    Filesize

    4KB

  • memory/4868-1-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-2-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

    Filesize

    64KB