Analysis

  • max time kernel
    119s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 01:07

General

  • Target

    16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe

  • Size

    932KB

  • MD5

    aa35929ae8e296cc78e754314e6f828e

  • SHA1

    3fa475c0f5ba23ae2fdc4306dea04391363d20d2

  • SHA256

    16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb

  • SHA512

    36394f415fcf3d7aa212cc49aae754424422f513678e631300bc75c335f8843dbb64d3baabc39f757f9618beb95ee9df275b8ba97e854e4b5f2dd5aa9df1ba31

  • SSDEEP

    12288:deJ/sIKjehsimOMt+oNUg4nIrvSKCSJs+i4xv6RiMeV/3oBWlHAAdlGloNJqTab:YWimXbnmKrvhUs4w1xd5q

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oola123@

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe
    "C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • 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\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:500
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uLGWntjlS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uLGWntjlS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp667.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1992
    • C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe
      "C:\Users\Admin\AppData\Local\Temp\16db8f6a3ea389a7aa7f1f823d183336a98374d3310c28d867020ad4ab8888eb.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp667.tmp

    Filesize

    1KB

    MD5

    24ac982e0eddebc50bf04243195b86fd

    SHA1

    483f7f414c628116d1e5c121470cf99f2dfadc51

    SHA256

    be91062395f319281980383f94838d6150770d89efbe67af17bb1b604fe191e5

    SHA512

    b812cb89b1feb8cccaa6753b27023ec8701145a7b100317efeb100c1613942097d4ea435bdfc72bb66f8b8c3a472889a318adc121b23dc5137b4d64d09b05eb0

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    68d1e30a3357eaf87c76700a154024ae

    SHA1

    04103b74097f3b533c607898b7377fcedda076ee

    SHA256

    99bba20aead08cb44e5a141972473b9344e46d5cee31e95dba05d8a08542d439

    SHA512

    e2836b468d4722778e9565cec59b745982d8976ab7f855fded0cb899c31f2a59be47b0ec64771cb06cc6f22f7892a3bd9eed495c80b228109ef435e7774aad78

  • memory/2888-6-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/2888-37-0x0000000000550000-0x0000000000552000-memory.dmp

    Filesize

    8KB

  • memory/2888-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2888-5-0x0000000000A30000-0x0000000000A3E000-memory.dmp

    Filesize

    56KB

  • memory/2888-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

    Filesize

    4KB

  • memory/2888-7-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2888-8-0x0000000000550000-0x000000000055A000-memory.dmp

    Filesize

    40KB

  • memory/2888-9-0x0000000000550000-0x000000000055A000-memory.dmp

    Filesize

    40KB

  • memory/2888-10-0x0000000000A40000-0x0000000000A4C000-memory.dmp

    Filesize

    48KB

  • memory/2888-24-0x0000000005770000-0x00000000057A2000-memory.dmp

    Filesize

    200KB

  • memory/2888-3-0x0000000000550000-0x000000000055A000-memory.dmp

    Filesize

    40KB

  • memory/2888-4-0x0000000000550000-0x000000000055A000-memory.dmp

    Filesize

    40KB

  • memory/2888-11-0x0000000005690000-0x0000000005706000-memory.dmp

    Filesize

    472KB

  • memory/2888-1-0x00000000002B0000-0x00000000003A0000-memory.dmp

    Filesize

    960KB

  • memory/2888-38-0x0000000073FF0000-0x00000000746DE000-memory.dmp

    Filesize

    6.9MB

  • memory/3020-29-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3020-31-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3020-36-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3020-35-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3020-34-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3020-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3020-27-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3020-25-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB