Analysis

  • max time kernel
    146s
  • max time network
    157s
  • 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, 07:30

General

  • Target

    519fcde66b1b9c807cf89568d162c89103ee8065ba1009086881bbbefd69e4c9.exe

  • Size

    664KB

  • MD5

    e7d5b3af9cebadf634461574940da0a7

  • SHA1

    1b70ed9407cbe02fbb2ea7790caba4bae4c98a29

  • SHA256

    519fcde66b1b9c807cf89568d162c89103ee8065ba1009086881bbbefd69e4c9

  • SHA512

    f7bb4a4a13832a6c665229aaf9fafd4cb563f794b04ede6be44713d30d13a5fe4ff77ddc33f0e68770fe8ff59c7b2372c3f1afe18de63c78159ac29aebf3749a

  • SSDEEP

    12288:I33nFyHgRMph6guOtDqB/PkKhcRdK6auXh35TPy4l52IQko3MN+Evy:IlyHsIh6fOtDqdfYh39lS6or

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.techwiser.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tech@#$121

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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\519fcde66b1b9c807cf89568d162c89103ee8065ba1009086881bbbefd69e4c9.exe
    "C:\Users\Admin\AppData\Local\Temp\519fcde66b1b9c807cf89568d162c89103ee8065ba1009086881bbbefd69e4c9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\519fcde66b1b9c807cf89568d162c89103ee8065ba1009086881bbbefd69e4c9.exe
      "C:\Users\Admin\AppData\Local\Temp\519fcde66b1b9c807cf89568d162c89103ee8065ba1009086881bbbefd69e4c9.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2512

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1808-10-0x00000000066E0000-0x000000000677C000-memory.dmp

          Filesize

          624KB

        • memory/1808-1-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1808-2-0x0000000005350000-0x0000000005360000-memory.dmp

          Filesize

          64KB

        • memory/1808-3-0x0000000005910000-0x0000000005EB4000-memory.dmp

          Filesize

          5.6MB

        • memory/1808-4-0x0000000005440000-0x00000000054D2000-memory.dmp

          Filesize

          584KB

        • memory/1808-5-0x0000000005530000-0x0000000005548000-memory.dmp

          Filesize

          96KB

        • memory/1808-6-0x0000000005670000-0x000000000567E000-memory.dmp

          Filesize

          56KB

        • memory/1808-7-0x00000000058A0000-0x00000000058B4000-memory.dmp

          Filesize

          80KB

        • memory/1808-9-0x000000000B2A0000-0x000000000B322000-memory.dmp

          Filesize

          520KB

        • memory/1808-8-0x0000000005350000-0x0000000005360000-memory.dmp

          Filesize

          64KB

        • memory/1808-13-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1808-0-0x00000000007C0000-0x0000000000868000-memory.dmp

          Filesize

          672KB

        • memory/2512-11-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2512-14-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2512-15-0x0000000005910000-0x0000000005920000-memory.dmp

          Filesize

          64KB

        • memory/2512-16-0x0000000005AC0000-0x0000000005B26000-memory.dmp

          Filesize

          408KB

        • memory/2512-17-0x0000000006FC0000-0x0000000007010000-memory.dmp

          Filesize

          320KB

        • memory/2512-18-0x0000000007160000-0x000000000716A000-memory.dmp

          Filesize

          40KB

        • memory/2512-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp

          Filesize

          7.7MB

        • memory/2512-20-0x0000000005910000-0x0000000005920000-memory.dmp

          Filesize

          64KB