Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    11-02-2022 23:28

General

  • Target

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a.exe

  • Size

    2.6MB

  • MD5

    c794262c17250a3760186c2d1f72a84c

  • SHA1

    9d07fdc5250ec7beffd08dc0b18a4a5cea7bfeea

  • SHA256

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a

  • SHA512

    1d129bd4175fc122c2678534b0a0274ef32fd683620a979af666c19693d37a79b001630e9bcb60873cdc5a62c8c1ba3cadaea1563ba330eb71fdf347902750b0

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 50 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\e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a.exe
    "C:\Users\Admin\AppData\Local\Temp\e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1824
    • 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:3168
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1144
  • 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:428
  • 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:3752

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    c794262c17250a3760186c2d1f72a84c

    SHA1

    9d07fdc5250ec7beffd08dc0b18a4a5cea7bfeea

    SHA256

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a

    SHA512

    1d129bd4175fc122c2678534b0a0274ef32fd683620a979af666c19693d37a79b001630e9bcb60873cdc5a62c8c1ba3cadaea1563ba330eb71fdf347902750b0

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

    c794262c17250a3760186c2d1f72a84c

    SHA1

    9d07fdc5250ec7beffd08dc0b18a4a5cea7bfeea

    SHA256

    e7d3922aebdcd07674ddd3186393c9749559d11f1b741ca5997acb49405ba38a

    SHA512

    1d129bd4175fc122c2678534b0a0274ef32fd683620a979af666c19693d37a79b001630e9bcb60873cdc5a62c8c1ba3cadaea1563ba330eb71fdf347902750b0

  • memory/1824-130-0x0000000000C50000-0x0000000001333000-memory.dmp
    Filesize

    6.9MB

  • memory/1824-131-0x0000000000C50000-0x0000000001333000-memory.dmp
    Filesize

    6.9MB

  • memory/1824-132-0x0000000000C50000-0x0000000001333000-memory.dmp
    Filesize

    6.9MB

  • memory/1824-133-0x0000000077094000-0x0000000077096000-memory.dmp
    Filesize

    8KB

  • memory/3168-136-0x0000000000A10000-0x00000000010F3000-memory.dmp
    Filesize

    6.9MB

  • memory/3168-137-0x0000000000A10000-0x00000000010F3000-memory.dmp
    Filesize

    6.9MB

  • memory/3168-138-0x0000000000A10000-0x00000000010F3000-memory.dmp
    Filesize

    6.9MB