Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 05:45

General

  • Target

    d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4.exe

  • Size

    3.2MB

  • MD5

    43e7b1394b43cc9c8a13dc0676170559

  • SHA1

    c4b03f3af66d75607014440ba83a1fcbf985b924

  • SHA256

    d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

  • SHA512

    020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Drops startup file 1 IoCs
  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 3 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.

  • Modifies data under HKEY_USERS 52 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4.exe
    "C:\Users\Admin\AppData\Local\Temp\d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4.exe"
    1⤵
    • Checks BIOS information in registry
    • Drops startup file
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
      "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: AddClipboardFormatListener
      PID:1364
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2676
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3844
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
    MD5

    43e7b1394b43cc9c8a13dc0676170559

    SHA1

    c4b03f3af66d75607014440ba83a1fcbf985b924

    SHA256

    d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

    SHA512

    020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

  • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
    MD5

    43e7b1394b43cc9c8a13dc0676170559

    SHA1

    c4b03f3af66d75607014440ba83a1fcbf985b924

    SHA256

    d601b5b83695cb9fb5b86cfd176a3457376e9d73e252b71429806593a9589de4

    SHA512

    020b59329ddbf35197faae13de00b7e6ef9ef29923f63a538d5b9b74f19125ad4a4ef53dd35349e21783f61557f247919e9a5bc85ae743961827efe2692aadca

  • memory/1264-131-0x00007FFE27FB0000-0x00007FFE27FB2000-memory.dmp
    Filesize

    8KB

  • memory/1264-130-0x00007FF79B590000-0x00007FF79BE4F000-memory.dmp
    Filesize

    8.7MB

  • memory/1264-132-0x00007FF79B590000-0x00007FF79BE4F000-memory.dmp
    Filesize

    8.7MB

  • memory/1364-135-0x00007FF6B1CF0000-0x00007FF6B25AF000-memory.dmp
    Filesize

    8.7MB

  • memory/1364-136-0x00007FF6B1CF0000-0x00007FF6B25AF000-memory.dmp
    Filesize

    8.7MB