Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2022, 13:16

General

  • Target
    2f3d0323ba962334ef87ed098ad02289.exe
  • Size 438KB
  • Sample220802-qhs1csfbd6
  • SHA256 12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3
  • 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 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f3d0323ba962334ef87ed098ad02289.exe
    "C:\Users\Admin\AppData\Local\Temp\2f3d0323ba962334ef87ed098ad02289.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Users\Admin\AppData\Local\Temp\2f3d0323ba962334ef87ed098ad02289.exe
      "C:\Users\Admin\AppData\Local\Temp\2f3d0323ba962334ef87ed098ad02289.exe"
      2⤵
      • Checks computer location settings
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1364
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im 2f3d0323ba962334ef87ed098ad02289.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2f3d0323ba962334ef87ed098ad02289.exe" & del C:\PrograData\*.dll & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4396
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im 2f3d0323ba962334ef87ed098ad02289.exe /f
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3700
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          4⤵
          • Delays execution with timeout.exe
          PID:3708

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1364-160-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1364-133-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1364-134-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1364-136-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1364-138-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/1364-139-0x0000000060900000-0x0000000060992000-memory.dmp

        memory/1364-158-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4484-137-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/4484-135-0x00000000007CE000-0x00000000007F7000-memory.dmp