Analysis

  • max time kernel
    150s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20/04/2022, 09:07

General

  • Target
    PURCHASE ORDER.exe
  • Size 1.1MB
  • Sample220420-k3d42seca6
  • SHA256 97f116dcd4a161a4265ccaf07dc12acec0e3e4a3af4216ba95f5f63c80a06fcd
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 42 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 behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4492
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:216

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/216-148-0x0000000007C90000-0x000000000830A000-memory.dmp

        memory/216-151-0x00000000078D0000-0x0000000007966000-memory.dmp

        memory/216-154-0x0000000007970000-0x0000000007978000-memory.dmp

        memory/216-153-0x0000000007990000-0x00000000079AA000-memory.dmp

        memory/216-152-0x0000000007880000-0x000000000788E000-memory.dmp

        memory/216-143-0x0000000006350000-0x000000000636E000-memory.dmp

        memory/216-150-0x00000000076C0000-0x00000000076CA000-memory.dmp

        memory/216-149-0x0000000007650000-0x000000000766A000-memory.dmp

        memory/216-139-0x0000000004D90000-0x0000000004DC6000-memory.dmp

        memory/216-140-0x0000000005400000-0x0000000005A28000-memory.dmp

        memory/216-141-0x0000000005BB0000-0x0000000005BD2000-memory.dmp

        memory/216-147-0x0000000006900000-0x000000000691E000-memory.dmp

        memory/216-144-0x0000000004D85000-0x0000000004D87000-memory.dmp

        memory/216-142-0x0000000005C50000-0x0000000005CB6000-memory.dmp

        memory/216-145-0x0000000007500000-0x0000000007532000-memory.dmp

        memory/216-146-0x000000006F260000-0x000000006F2AC000-memory.dmp

        memory/4492-131-0x00000000050B0000-0x0000000005654000-memory.dmp

        memory/4492-130-0x00000000000A0000-0x00000000001C6000-memory.dmp

        memory/4492-138-0x0000000009C40000-0x0000000009C90000-memory.dmp

        memory/4492-136-0x0000000004B00000-0x00000000050A4000-memory.dmp

        memory/4492-135-0x0000000009420000-0x0000000009486000-memory.dmp

        memory/4492-134-0x00000000083D0000-0x000000000846C000-memory.dmp

        memory/4492-133-0x0000000004B90000-0x0000000004B9A000-memory.dmp

        memory/4492-132-0x0000000004BA0000-0x0000000004C32000-memory.dmp