Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 8 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:1620
    • 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:552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\20180719-Doc_Scan_signed.exe.log

    Filesize

    1KB

    MD5

    4ae433026ba02aba51bdb1cd5285679c

    SHA1

    24ee6f3bb34942de62617ba7b732f540f4a7952f

    SHA256

    7637b235e35fedfcd3e9c4de5e02531fbebb74e620ff6dc19fd130e195a2cf6b

    SHA512

    0339d9534d1063b066937159f4a6d4f2e1d4e326ab9d6f143276c41ffcea8edc0dbbf6dc1ec55d8bd77d180db79fbf431d3c40b3e658169023ed0e50325fad8b

  • memory/552-17-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/552-31-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/552-30-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/552-29-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

    Filesize

    40KB

  • memory/552-28-0x00000000070D0000-0x0000000007120000-memory.dmp

    Filesize

    320KB

  • memory/552-27-0x0000000006D20000-0x0000000006D2A000-memory.dmp

    Filesize

    40KB

  • memory/552-24-0x0000000005900000-0x0000000005966000-memory.dmp

    Filesize

    408KB

  • memory/552-23-0x0000000005630000-0x0000000005648000-memory.dmp

    Filesize

    96KB

  • memory/552-22-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/552-21-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-5-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-15-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/1620-20-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-12-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-10-0x0000000006450000-0x00000000064EC000-memory.dmp

    Filesize

    624KB

  • memory/1620-9-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-7-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1620-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/1620-4-0x0000000004F40000-0x0000000004F5A000-memory.dmp

    Filesize

    104KB

  • memory/1620-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

    Filesize

    584KB

  • memory/1620-2-0x0000000005350000-0x00000000058F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1620-1-0x0000000000540000-0x0000000000602000-memory.dmp

    Filesize

    776KB