Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 08:03

General

  • Target

    purchase order oct_20_80373592_80373595.exe

  • Size

    564KB

  • MD5

    70a3002b8a40775f4856fc2cc8330b84

  • SHA1

    eef7bac7da1d3a40f6222ddfc08962db40c0e385

  • SHA256

    8dc9d32f21b231d0d1ed00ff04eae170eb680034e4079db1f6e17079ab5aa2f9

  • SHA512

    f5303e7f3f96a4b7935a7d3702ced2d37b862181b574e368e9f9351fdb4180034528c3b53dbfd6fb66836caeb9edb5d6fd21872a78a2abe9565a4ed09a788193

  • SSDEEP

    12288:ZHDOTk3cUdLMzEpwrrO+hZcNWWFXxwYOwU98:ZXs2ppB+hZcwWNxWwv

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    solo09052449116

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Drops startup file 2 IoCs
  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      PID:2844
    • C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe
      "C:\Users\Admin\AppData\Local\Temp\purchase order oct_20_80373592_80373595.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2084-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2084-1-0x0000000000F80000-0x0000000001012000-memory.dmp

    Filesize

    584KB

  • memory/2084-2-0x0000000000E10000-0x0000000000E6E000-memory.dmp

    Filesize

    376KB

  • memory/2084-3-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2084-5-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-23-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2896-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2896-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2896-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2896-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2896-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2896-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2896-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2896-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2896-24-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2896-25-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2896-26-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB