Analysis

  • max time kernel
    124s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    16-01-2022 17:29

General

  • Target

    1aee4c720519283ec2e6518005d3c22b8b1ddd2dad105060bb707dd867a90781.exe

  • Size

    3.3MB

  • MD5

    8ddcc8ad6802a33161e5364090d0ba1b

  • SHA1

    a66c8944d6e03c9b310777d805fe81e0cfadb86d

  • SHA256

    1aee4c720519283ec2e6518005d3c22b8b1ddd2dad105060bb707dd867a90781

  • SHA512

    102932bce97e585c0dc895187407989b05ca599c31e8b48b20e26ac95ae47e37677f9a0cf625263a21bde9b5cab4abd5badcb39e72a249727a161524e8da322a

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 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1aee4c720519283ec2e6518005d3c22b8b1ddd2dad105060bb707dd867a90781.exe
    "C:\Users\Admin\AppData\Local\Temp\1aee4c720519283ec2e6518005d3c22b8b1ddd2dad105060bb707dd867a90781.exe"
    1⤵
    • Checks BIOS information in registry
    • Drops startup file
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:2756
    • 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:588

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

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    8ddcc8ad6802a33161e5364090d0ba1b

    SHA1

    a66c8944d6e03c9b310777d805fe81e0cfadb86d

    SHA256

    1aee4c720519283ec2e6518005d3c22b8b1ddd2dad105060bb707dd867a90781

    SHA512

    102932bce97e585c0dc895187407989b05ca599c31e8b48b20e26ac95ae47e37677f9a0cf625263a21bde9b5cab4abd5badcb39e72a249727a161524e8da322a

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

    8ddcc8ad6802a33161e5364090d0ba1b

    SHA1

    a66c8944d6e03c9b310777d805fe81e0cfadb86d

    SHA256

    1aee4c720519283ec2e6518005d3c22b8b1ddd2dad105060bb707dd867a90781

    SHA512

    102932bce97e585c0dc895187407989b05ca599c31e8b48b20e26ac95ae47e37677f9a0cf625263a21bde9b5cab4abd5badcb39e72a249727a161524e8da322a

  • memory/588-118-0x0000000000000000-mapping.dmp
  • memory/588-121-0x00007FF79B100000-0x00007FF79BA19000-memory.dmp
    Filesize

    9.1MB

  • memory/588-122-0x00007FF79B100000-0x00007FF79BA19000-memory.dmp
    Filesize

    9.1MB

  • memory/588-123-0x00007FF79B100000-0x00007FF79BA19000-memory.dmp
    Filesize

    9.1MB

  • memory/2756-115-0x00007FF770010000-0x00007FF770929000-memory.dmp
    Filesize

    9.1MB

  • memory/2756-116-0x00007FF770010000-0x00007FF770929000-memory.dmp
    Filesize

    9.1MB

  • memory/2756-117-0x00007FF770010000-0x00007FF770929000-memory.dmp
    Filesize

    9.1MB