Analysis

  • max time kernel
    90s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/01/2023, 19:05

General

  • Target
    PURCHASE ORDER.exe
  • Size 877KB
  • Sample230120-xrhdjsbc4v
  • SHA256 af044c42784626edaa652ffc0e158cac07b29329f3131321d3d59619329c6010
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4300

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        PURCHASE ORDER.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PURCHASE ORDER.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/2836-132-0x0000000000940000-0x0000000000A20000-memory.dmp

        memory/2836-133-0x0000000005920000-0x0000000005EC4000-memory.dmp

        memory/2836-134-0x0000000005410000-0x00000000054A2000-memory.dmp

        memory/2836-135-0x00000000053F0000-0x00000000053FA000-memory.dmp

        memory/2836-136-0x0000000007B60000-0x0000000007BFC000-memory.dmp

        memory/4300-138-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/4300-140-0x0000000005620000-0x0000000005686000-memory.dmp

        memory/4300-141-0x0000000006A10000-0x0000000006A60000-memory.dmp

        memory/4300-142-0x0000000006C30000-0x0000000006DF2000-memory.dmp