Analysis

  • max time kernel
    157s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 04:33

General

  • Target

    f9f750d16dc2eda2a8315fd425fe4bd01694a71b6cdf1ee3bd0ea564d14138e0.exe

  • Size

    2.7MB

  • MD5

    87f7ba3eb4b8db330ad80286d7fde49a

  • SHA1

    960e37d97ea6cb6826455889ab3bb3ff6be644a7

  • SHA256

    f9f750d16dc2eda2a8315fd425fe4bd01694a71b6cdf1ee3bd0ea564d14138e0

  • SHA512

    1f9dc98573a55ef490da60528a72b7d1325aaf9629fd203017a9be64739a7679de06666ea932d2678ebe1804a1df55620e3810d1bcfc265d9e2fbf0e6205fe19

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.

  • Themida packer 8 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
  • 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 49 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9f750d16dc2eda2a8315fd425fe4bd01694a71b6cdf1ee3bd0ea564d14138e0.exe
    "C:\Users\Admin\AppData\Local\Temp\f9f750d16dc2eda2a8315fd425fe4bd01694a71b6cdf1ee3bd0ea564d14138e0.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      PID:4068
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2456
  • 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:2880
  • 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:3492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    87f7ba3eb4b8db330ad80286d7fde49a

    SHA1

    960e37d97ea6cb6826455889ab3bb3ff6be644a7

    SHA256

    f9f750d16dc2eda2a8315fd425fe4bd01694a71b6cdf1ee3bd0ea564d14138e0

    SHA512

    1f9dc98573a55ef490da60528a72b7d1325aaf9629fd203017a9be64739a7679de06666ea932d2678ebe1804a1df55620e3810d1bcfc265d9e2fbf0e6205fe19

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    MD5

    87f7ba3eb4b8db330ad80286d7fde49a

    SHA1

    960e37d97ea6cb6826455889ab3bb3ff6be644a7

    SHA256

    f9f750d16dc2eda2a8315fd425fe4bd01694a71b6cdf1ee3bd0ea564d14138e0

    SHA512

    1f9dc98573a55ef490da60528a72b7d1325aaf9629fd203017a9be64739a7679de06666ea932d2678ebe1804a1df55620e3810d1bcfc265d9e2fbf0e6205fe19

  • memory/3276-133-0x0000000076FF4000-0x0000000076FF6000-memory.dmp
    Filesize

    8KB

  • memory/3276-134-0x0000000000550000-0x0000000000C3F000-memory.dmp
    Filesize

    6.9MB

  • memory/3276-135-0x0000000000550000-0x0000000000C3F000-memory.dmp
    Filesize

    6.9MB

  • memory/3276-136-0x0000000000550000-0x0000000000C3F000-memory.dmp
    Filesize

    6.9MB

  • memory/4068-139-0x00000000003E0000-0x0000000000ACF000-memory.dmp
    Filesize

    6.9MB

  • memory/4068-140-0x00000000003E0000-0x0000000000ACF000-memory.dmp
    Filesize

    6.9MB

  • memory/4068-141-0x00000000003E0000-0x0000000000ACF000-memory.dmp
    Filesize

    6.9MB