Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 01:42

General

  • Target

    f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe

  • Size

    753KB

  • MD5

    41ec13547c155db2bfcb4035368f2ddc

  • SHA1

    bf1dd45f554c246225104c2f7874cdb7cab9f91f

  • SHA256

    f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a

  • SHA512

    a0713ba4c5aab008f86c0d3947b6684e711609bdb06601c65ab142a7d60b05933dbfeed906a34a3045ddff646ef22b5e9c95168dd2aef0e30b610ac520c3c6f7

  • SSDEEP

    12288:i+B2K2IU98H7+zhEpvRFOfjOIqkOc3GwGg7DCvJvzCjB1CC2TACR5leZlNc:aIUg7AGOKI7Wj6DCtCLCCMA+erC

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
    "C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe
      "C:\Users\Admin\AppData\Local\Temp\f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2588-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2836-1-0x0000000000270000-0x0000000000332000-memory.dmp

    Filesize

    776KB

  • memory/2836-0-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/2836-5-0x000000000A2C0000-0x000000000A344000-memory.dmp

    Filesize

    528KB

  • memory/2836-4-0x00000000005E0000-0x00000000005F0000-memory.dmp

    Filesize

    64KB

  • memory/2836-3-0x00000000004C0000-0x00000000004E2000-memory.dmp

    Filesize

    136KB

  • memory/2836-2-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/2836-17-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB