Analysis

  • max time kernel
    114s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:15

General

  • Target

    7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe

  • Size

    602KB

  • MD5

    90384630603db9e5a555e63b50542c67

  • SHA1

    1ea91cd860d92a43b2a5ab0a4187c2a18c2ee11f

  • SHA256

    7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db

  • SHA512

    a29ce98d23cd58d5b8ae1c7ae7f1b16abec3c232124632535d7b03adad0889024235e17e76f8c4a06511c196fee82386762e8ff91dc6238a6ba50020f464e1c0

  • SSDEEP

    12288:EAevfRBK5O6M2PrsOfO9rFIBpGImoozvItcHHFojhbCxprzvue30gaff/CRy:/lIJripFmoozQm6jOpHlda/l

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe
    "C:\Users\Admin\AppData\Local\Temp\7a58e101be7adf3fb1b99f17259c8e0747970336a998ae6f01c549bbd27926db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:4080
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4272,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8
      1⤵
        PID:1784

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1680-8-0x0000000074C70000-0x0000000075420000-memory.dmp

        Filesize

        7.7MB

      • memory/1680-10-0x0000000006830000-0x0000000006880000-memory.dmp

        Filesize

        320KB

      • memory/1680-15-0x0000000006CC0000-0x0000000006CCA000-memory.dmp

        Filesize

        40KB

      • memory/1680-14-0x0000000006CE0000-0x0000000006D72000-memory.dmp

        Filesize

        584KB

      • memory/1680-13-0x0000000074C70000-0x0000000075420000-memory.dmp

        Filesize

        7.7MB

      • memory/1680-5-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

        Filesize

        4KB

      • memory/1680-12-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

        Filesize

        4KB

      • memory/1680-6-0x0000000005E20000-0x00000000063C4000-memory.dmp

        Filesize

        5.6MB

      • memory/1680-4-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1680-11-0x0000000006920000-0x00000000069BC000-memory.dmp

        Filesize

        624KB

      • memory/1680-7-0x0000000005990000-0x00000000059F6000-memory.dmp

        Filesize

        408KB

      • memory/3300-9-0x00007FFD3B920000-0x00007FFD3C3E1000-memory.dmp

        Filesize

        10.8MB

      • memory/3300-0-0x00000177125D0000-0x00000177125DA000-memory.dmp

        Filesize

        40KB

      • memory/3300-1-0x00007FFD3B923000-0x00007FFD3B925000-memory.dmp

        Filesize

        8KB

      • memory/3300-3-0x00007FFD3B920000-0x00007FFD3C3E1000-memory.dmp

        Filesize

        10.8MB

      • memory/3300-2-0x000001772CDA0000-0x000001772CE36000-memory.dmp

        Filesize

        600KB