Analysis

  • max time kernel
    136s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 15:44

General

  • Target

    0b30f80f1a4302af74f78328ea9fd9ad265f9c8b3ff72cb0c6a78fb3374ca1a9.exe

  • Size

    2.7MB

  • MD5

    a5b12ab8a3fc98d4ed6d6f9becedca61

  • SHA1

    1e291df778dfc18fd8e1036f2e224263f8997024

  • SHA256

    0b30f80f1a4302af74f78328ea9fd9ad265f9c8b3ff72cb0c6a78fb3374ca1a9

  • SHA512

    526ac2778cacd14d54ad2831a1893e94580d09fd2678aaa4a47d9a93948c73d33e0618168604b7c27056a1487a49ffe931248f1592591573feec4f1ee8cdebf9

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 8 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\0b30f80f1a4302af74f78328ea9fd9ad265f9c8b3ff72cb0c6a78fb3374ca1a9.exe
    "C:\Users\Admin\AppData\Local\Temp\0b30f80f1a4302af74f78328ea9fd9ad265f9c8b3ff72cb0c6a78fb3374ca1a9.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2160
    • 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:1412
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2816
  • 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:4416

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    a5b12ab8a3fc98d4ed6d6f9becedca61

    SHA1

    1e291df778dfc18fd8e1036f2e224263f8997024

    SHA256

    0b30f80f1a4302af74f78328ea9fd9ad265f9c8b3ff72cb0c6a78fb3374ca1a9

    SHA512

    526ac2778cacd14d54ad2831a1893e94580d09fd2678aaa4a47d9a93948c73d33e0618168604b7c27056a1487a49ffe931248f1592591573feec4f1ee8cdebf9

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

    a5b12ab8a3fc98d4ed6d6f9becedca61

    SHA1

    1e291df778dfc18fd8e1036f2e224263f8997024

    SHA256

    0b30f80f1a4302af74f78328ea9fd9ad265f9c8b3ff72cb0c6a78fb3374ca1a9

    SHA512

    526ac2778cacd14d54ad2831a1893e94580d09fd2678aaa4a47d9a93948c73d33e0618168604b7c27056a1487a49ffe931248f1592591573feec4f1ee8cdebf9

  • memory/1412-136-0x0000000000BE0000-0x00000000012D3000-memory.dmp
    Filesize

    6.9MB

  • memory/1412-137-0x0000000000BE0000-0x00000000012D3000-memory.dmp
    Filesize

    6.9MB

  • memory/1412-138-0x0000000000BE0000-0x00000000012D3000-memory.dmp
    Filesize

    6.9MB

  • memory/2160-130-0x0000000000900000-0x0000000000FF3000-memory.dmp
    Filesize

    6.9MB

  • memory/2160-131-0x0000000000900000-0x0000000000FF3000-memory.dmp
    Filesize

    6.9MB

  • memory/2160-132-0x0000000000900000-0x0000000000FF3000-memory.dmp
    Filesize

    6.9MB

  • memory/2160-133-0x0000000077904000-0x0000000077906000-memory.dmp
    Filesize

    8KB

  • memory/2816-139-0x00000161E9D50000-0x00000161E9D60000-memory.dmp
    Filesize

    64KB

  • memory/2816-140-0x00000161EA420000-0x00000161EA430000-memory.dmp
    Filesize

    64KB

  • memory/2816-141-0x00000161ECAD0000-0x00000161ECAD4000-memory.dmp
    Filesize

    16KB