Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 01:38

General

  • Target

    8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe

  • Size

    712KB

  • MD5

    2eb9741462ba922893fbfb57e039cde2

  • SHA1

    690a649aae90aa2f941e6bebd24d65a77794d483

  • SHA256

    8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186

  • SHA512

    3ec3e262296a4fade2ee817c9996426506f5eeb4236916a76462bd7a34f2276535aca516860264b38a3319b6a9b98b43a073ab3ba0114f4abc68e51dd394c9a0

  • SSDEEP

    12288:tX0pxcV36Di8BtLij39aNYC3ji09SSglOsEtP3TpvbelYeu+jhxJmn+tC:hBFKUpMYAjf9yOsEl3TNelYRehxJP

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 2 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe
    "C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2284
    • 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\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nsVJycmpjslUz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nsVJycmpjslUz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F80.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2748
    • C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe
      "C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3F80.tmp

    Filesize

    1KB

    MD5

    272687b57c8938211ea5e6c8378484fa

    SHA1

    a37cfaeab031865ca30b89acede155b3d2295806

    SHA256

    6919ebe25a12192042ce7309b7c8a56becf2c719f1b5694d0dba0af7a3c65fb4

    SHA512

    2f70e73774d3b031c2c79900713b4a5ae6f4f53feff16ee56add77f3123fb111462d3b177d2a656e25ed6419e32fd22ef122f843f1d3352dcd9d23427d79b9d4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\DI5ZDK21JXCIMPCHQJ7L.temp

    Filesize

    7KB

    MD5

    7c5315d407c4d7122f9426f29c94f6a2

    SHA1

    a5355eb128ec520ae4b96a3dc9b03770b5668c6c

    SHA256

    661e45282867eb21efc9d8b99ff2060d182030098a418e7750c3b9ce70ee2f8f

    SHA512

    dc10bb967d1b048d3163f83b18453d95cb68761cb1d432f7f9b14d3a1c2d5f71609b06c1ec0ba7408380092061b54353736588b1d3286513ae44e48e6bf0d142

  • memory/2284-30-0x00000000742D0000-0x00000000749BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-1-0x0000000000B10000-0x0000000000BC6000-memory.dmp

    Filesize

    728KB

  • memory/2284-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-3-0x0000000000A70000-0x0000000000A92000-memory.dmp

    Filesize

    136KB

  • memory/2284-4-0x0000000000740000-0x0000000000750000-memory.dmp

    Filesize

    64KB

  • memory/2284-5-0x0000000004E00000-0x0000000004E82000-memory.dmp

    Filesize

    520KB

  • memory/2284-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

    Filesize

    4KB

  • memory/2608-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2608-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2608-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2608-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2608-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2608-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2608-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB