Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 01:41

General

  • Target

    98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe

  • Size

    723KB

  • MD5

    15bf0f43c13fba63ba0ed31dd40dcd3d

  • SHA1

    7dc3c25615122043bec9ceda719b58be4f2c9af6

  • SHA256

    98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8

  • SHA512

    0c87359cdb96bd3e3ed7501e52f9416c04b6f0e8892e0b666347e9f956b649c6c0b81c4074663d32f2c83b033b09d2cb2dbeebbdd5783165d495ac1093724bd4

  • SSDEEP

    12288:yReLAfP7wDaW2hTSHk9CCnrTUZOeZXmHTund7hoCG3dF1g3m7eoPmEagmH4fO3wo:k537wDyOHqvn0ZOeCunFhOg3meoPJk6o

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. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe
    "C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2420
    • 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\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe
      "C:\Users\Admin\AppData\Local\Temp\98cb5b0b2e8b3b8fa9fe79ba311ace462ae509669316cf54593b3aac402188f8.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2420-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

    Filesize

    4KB

  • memory/2420-1-0x0000000000CE0000-0x0000000000D96000-memory.dmp

    Filesize

    728KB

  • memory/2420-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2420-3-0x0000000000320000-0x000000000033E000-memory.dmp

    Filesize

    120KB

  • memory/2420-4-0x0000000000340000-0x0000000000350000-memory.dmp

    Filesize

    64KB

  • memory/2420-5-0x0000000000350000-0x0000000000366000-memory.dmp

    Filesize

    88KB

  • memory/2420-6-0x0000000005440000-0x00000000054C4000-memory.dmp

    Filesize

    528KB

  • memory/2420-18-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2644-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2644-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2644-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2644-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2644-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2644-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB