Analysis

  • max time kernel
    135s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-06-2024 12:00

General

  • Target

    20180719-Doc_Scan_signed.exe

  • Size

    1.2MB

  • MD5

    324cae1bfc2a4ef53ec06acb3697775b

  • SHA1

    f9ea216f02ded458bb8221638b67a7f6764743aa

  • SHA256

    b610451b6d3ae0611563415be9fc3f773161646eb0eba9a9895858fba03974d7

  • SHA512

    4c56ffe33a787d30adbca65fdedf8cb54cbe350c70129115179d61e957669b4020ee67d732c438a34a194ce6ac96a15b58cca4d58de1c0043eb8bcd16c3cfc2a

  • SSDEEP

    12288:4aFTPm1xJGE5wJGE5CGl+l3xc51tutSvgjkBk/6/:4aFKfJNyJNMq57FaE

Malware Config

Signatures

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe
    "C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe
      "C:\Users\Admin\AppData\Local\Temp\20180719-Doc_Scan_signed.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2492-16-0x0000000000370000-0x0000000000470000-memory.dmp

    Filesize

    1024KB

  • memory/2492-30-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-0-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/2492-19-0x0000000000370000-0x0000000000470000-memory.dmp

    Filesize

    1024KB

  • memory/2492-5-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-7-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-8-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-1-0x0000000000FD0000-0x0000000001092000-memory.dmp

    Filesize

    776KB

  • memory/2492-11-0x0000000000370000-0x0000000000470000-memory.dmp

    Filesize

    1024KB

  • memory/2492-12-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-13-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/2492-22-0x0000000000370000-0x0000000000470000-memory.dmp

    Filesize

    1024KB

  • memory/2492-3-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-2-0x0000000000560000-0x000000000057A000-memory.dmp

    Filesize

    104KB

  • memory/2648-36-0x0000000000480000-0x000000000048A000-memory.dmp

    Filesize

    40KB

  • memory/2648-20-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2648-15-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2648-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2648-29-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2648-9-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2648-27-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2648-25-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2648-31-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-32-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-33-0x0000000074860000-0x0000000074F4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-18-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB