Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 04:33

General

  • Target

    SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe

  • Size

    623KB

  • MD5

    92b364ff04da94c50941ac26728b398e

  • SHA1

    0ef8a6e061b52e34a31b691cd03153ce7b22c70a

  • SHA256

    7cba6ce993da55a8706e4c726e120ce59a40622f20ed4f0beb971c1fb03b9519

  • SHA512

    75d82e51d905febbb0fd6f3f0450c325faad7307bf84a5e508fca0aa3a75645873661f84a1bace1faa3edc6d0c0d8d3606f00228618f24510611e631fe03d37c

  • SSDEEP

    12288:Xl5nF8PVdqrlbLP8DL98J/1aswLR7HgaC/Me5Qes5ib46iJgw:Xlaqhb7Gp8DatpC/Me5GM/iJZ

Malware Config

Extracted

Family

agenttesla

Credentials

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 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).

  • 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 3 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.MSIL.GenKryptik.GOZC.tr.24868.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pHkBnvqIJtDl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2092
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pHkBnvqIJtDl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF19.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2996
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDF19.tmp

    Filesize

    1KB

    MD5

    d51469cba7c5b3314d95581adfd94362

    SHA1

    a3fd222e25bec295b54c73c5889cb9d4557e782d

    SHA256

    4f0084a444871d6170f4b931ee4f7e57d99aa739f05f293465107c0bf558411c

    SHA512

    636d3ef565a944db4c7d8053ac341698f757af2557dbafdb45c75520b7df746a7a664aba9ffa002039005e20dee0347394b999a5c22a293953d29198f7290cde

  • memory/2092-35-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2092-34-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2092-33-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2092-32-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-31-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

    Filesize

    256KB

  • memory/2708-30-0x00000000731F0000-0x00000000738DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-37-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

    Filesize

    256KB

  • memory/2708-12-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2708-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2708-16-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2708-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2708-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2708-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2708-36-0x00000000731F0000-0x00000000738DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-24-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2708-27-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2756-25-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-1-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-4-0x00000000003D0000-0x00000000003D8000-memory.dmp

    Filesize

    32KB

  • memory/2756-3-0x0000000000370000-0x0000000000388000-memory.dmp

    Filesize

    96KB

  • memory/2756-2-0x0000000004CF0000-0x0000000004D30000-memory.dmp

    Filesize

    256KB

  • memory/2756-0-0x0000000001180000-0x0000000001220000-memory.dmp

    Filesize

    640KB

  • memory/2756-6-0x0000000004D30000-0x0000000004D9A000-memory.dmp

    Filesize

    424KB

  • memory/2756-5-0x00000000003E0000-0x00000000003EA000-memory.dmp

    Filesize

    40KB