Analysis

  • max time kernel
    88s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    07-12-2021 21:15

General

  • Target

    0e9d7dd7f56cf707f449e9c046499f2b0a4a953794af5e7a15d3a6d5971594ef.exe

  • Size

    2.5MB

  • MD5

    af1a95797963e51df6f8348883dd83e1

  • SHA1

    ad7383cc8576ff1ba2652a755d7dd9b585d44f8a

  • SHA256

    0e9d7dd7f56cf707f449e9c046499f2b0a4a953794af5e7a15d3a6d5971594ef

  • SHA512

    ff4739579e66bd383872ed82016727c812cfc512f6eb198586030143988c810d42cb25fcaa230671b229d3e71ff02050f0f876d2d55440fb9e5e7d4e08b0e6ad

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 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e9d7dd7f56cf707f449e9c046499f2b0a4a953794af5e7a15d3a6d5971594ef.exe
    "C:\Users\Admin\AppData\Local\Temp\0e9d7dd7f56cf707f449e9c046499f2b0a4a953794af5e7a15d3a6d5971594ef.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2460
    • 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:3504

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

    af1a95797963e51df6f8348883dd83e1

    SHA1

    ad7383cc8576ff1ba2652a755d7dd9b585d44f8a

    SHA256

    0e9d7dd7f56cf707f449e9c046499f2b0a4a953794af5e7a15d3a6d5971594ef

    SHA512

    ff4739579e66bd383872ed82016727c812cfc512f6eb198586030143988c810d42cb25fcaa230671b229d3e71ff02050f0f876d2d55440fb9e5e7d4e08b0e6ad

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

    af1a95797963e51df6f8348883dd83e1

    SHA1

    ad7383cc8576ff1ba2652a755d7dd9b585d44f8a

    SHA256

    0e9d7dd7f56cf707f449e9c046499f2b0a4a953794af5e7a15d3a6d5971594ef

    SHA512

    ff4739579e66bd383872ed82016727c812cfc512f6eb198586030143988c810d42cb25fcaa230671b229d3e71ff02050f0f876d2d55440fb9e5e7d4e08b0e6ad

  • memory/2460-121-0x0000000001310000-0x00000000019A3000-memory.dmp
    Filesize

    6.6MB

  • memory/2460-118-0x0000000001310000-0x00000000019A3000-memory.dmp
    Filesize

    6.6MB

  • memory/2460-122-0x0000000077290000-0x000000007741E000-memory.dmp
    Filesize

    1.6MB

  • memory/2460-120-0x0000000001310000-0x00000000019A3000-memory.dmp
    Filesize

    6.6MB

  • memory/2460-119-0x0000000001310000-0x00000000019A3000-memory.dmp
    Filesize

    6.6MB

  • memory/3504-123-0x0000000000000000-mapping.dmp
  • memory/3504-126-0x00000000010C0000-0x0000000001753000-memory.dmp
    Filesize

    6.6MB

  • memory/3504-127-0x00000000010C0000-0x0000000001753000-memory.dmp
    Filesize

    6.6MB

  • memory/3504-128-0x00000000010C0000-0x0000000001753000-memory.dmp
    Filesize

    6.6MB

  • memory/3504-129-0x00000000010C0000-0x0000000001753000-memory.dmp
    Filesize

    6.6MB

  • memory/3504-130-0x0000000077290000-0x000000007741E000-memory.dmp
    Filesize

    1.6MB