Analysis

  • max time kernel
    197s
  • max time network
    181s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2022 11:29

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.15745.19996.exe

  • Size

    967KB

  • MD5

    006b724724a8a18b4f8e25604e2533a1

  • SHA1

    77a92d022b399077c1ef6214b28d4c07fa42278a

  • SHA256

    bc60f5c19d219304320e8a975a199dbef09c89ac82fce15feacda92bd9152554

  • SHA512

    0118208e916d35f46cb7b1f038be3c992d0077dc13d7dbb9ebaa5ddea560c74871fca6b5c5c64bc9950fd1cc35cee7de5d715668d4807e9841657238ec399ac3

  • SSDEEP

    12288:dbnf3pFLQzh1v6hELIoBrOr7VHFq8RD63eAkJYjrZ3sgR5q+weghxECKBLxo:1f3pFsdh6+TrOr7Xq82eXGf1vfwLXES

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    brillium12345

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 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). Likely ransomware behaviour.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.15745.19996.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.15745.19996.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LpXgnt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LpXgnt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2119.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1996
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.15745.19996.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.15745.19996.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2119.tmp

    Filesize

    1KB

    MD5

    ada3bb11c3ad484c266537c322b7e907

    SHA1

    35fb20b64aaf62ce4c833fe78d6b8122c53f2ec1

    SHA256

    abc2dc4a40cf71f12d8a4b3d7792b9bda7205a432a5bcfac7c2f15a35cbacaaf

    SHA512

    cd1f178fc91956184bdcc98477d87ed532b21360a346a8bd681ea6a0f00b3553ec876e7b6e8e8ee3d3bab132fbb226cc05f440e17cc038d214a6e1f24f22e12f

  • memory/1908-59-0x0000000000000000-mapping.dmp

  • memory/1908-77-0x000000006ED20000-0x000000006F2CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1908-76-0x000000006ED20000-0x000000006F2CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1912-64-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1912-72-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1912-74-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1912-70-0x000000000042937E-mapping.dmp

  • memory/1912-69-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1912-65-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1912-67-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1912-68-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1996-60-0x0000000000000000-mapping.dmp

  • memory/2032-58-0x0000000007DE0000-0x0000000007E8C000-memory.dmp

    Filesize

    688KB

  • memory/2032-63-0x0000000007F00000-0x0000000007F74000-memory.dmp

    Filesize

    464KB

  • memory/2032-54-0x0000000000840000-0x0000000000938000-memory.dmp

    Filesize

    992KB

  • memory/2032-57-0x00000000003B0000-0x00000000003BE000-memory.dmp

    Filesize

    56KB

  • memory/2032-56-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2032-55-0x0000000075881000-0x0000000075883000-memory.dmp

    Filesize

    8KB