Analysis

  • max time kernel
    94s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 08:59

General

  • Target

    ada74d03bb2c9571e97761b052fcd71f6833afc08493800a91e4c10cdeaaaf68.exe

  • Size

    2.7MB

  • MD5

    77ecc1dad9f2ed9d3196c31d9e33e34e

  • SHA1

    eecd0e92538e31a9b7001609a3b25e4ff102593e

  • SHA256

    ada74d03bb2c9571e97761b052fcd71f6833afc08493800a91e4c10cdeaaaf68

  • SHA512

    8318727f3ba21bf1b3fea46862f20902d8273550c35e640da12298a1d3bbc28d84413a1a52f95ae1a844f2eeb55ca91caa60cf8d90b26e798d02784357493b51

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • 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 17 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ada74d03bb2c9571e97761b052fcd71f6833afc08493800a91e4c10cdeaaaf68.exe
    "C:\Users\Admin\AppData\Local\Temp\ada74d03bb2c9571e97761b052fcd71f6833afc08493800a91e4c10cdeaaaf68.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Drops startup file
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: AddClipboardFormatListener
      PID:3164

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\Smart Clock\SmartClock.exe
    Filesize

    2.7MB

    MD5

    77ecc1dad9f2ed9d3196c31d9e33e34e

    SHA1

    eecd0e92538e31a9b7001609a3b25e4ff102593e

    SHA256

    ada74d03bb2c9571e97761b052fcd71f6833afc08493800a91e4c10cdeaaaf68

    SHA512

    8318727f3ba21bf1b3fea46862f20902d8273550c35e640da12298a1d3bbc28d84413a1a52f95ae1a844f2eeb55ca91caa60cf8d90b26e798d02784357493b51

  • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    Filesize

    2.7MB

    MD5

    77ecc1dad9f2ed9d3196c31d9e33e34e

    SHA1

    eecd0e92538e31a9b7001609a3b25e4ff102593e

    SHA256

    ada74d03bb2c9571e97761b052fcd71f6833afc08493800a91e4c10cdeaaaf68

    SHA512

    8318727f3ba21bf1b3fea46862f20902d8273550c35e640da12298a1d3bbc28d84413a1a52f95ae1a844f2eeb55ca91caa60cf8d90b26e798d02784357493b51

  • memory/3164-145-0x0000000077A00000-0x0000000077BA3000-memory.dmp
    Filesize

    1.6MB

  • memory/3164-151-0x0000000077A00000-0x0000000077BA3000-memory.dmp
    Filesize

    1.6MB

  • memory/3164-150-0x00000000000C0000-0x00000000007A7000-memory.dmp
    Filesize

    6.9MB

  • memory/3164-149-0x00000000000C0000-0x00000000007A7000-memory.dmp
    Filesize

    6.9MB

  • memory/3164-148-0x00000000000C0000-0x00000000007A7000-memory.dmp
    Filesize

    6.9MB

  • memory/3164-147-0x00000000000C0000-0x00000000007A7000-memory.dmp
    Filesize

    6.9MB

  • memory/3164-146-0x00000000000C0000-0x00000000007A7000-memory.dmp
    Filesize

    6.9MB

  • memory/3164-137-0x0000000000000000-mapping.dmp
  • memory/3164-144-0x00000000000C0000-0x00000000007A7000-memory.dmp
    Filesize

    6.9MB

  • memory/3164-141-0x00000000000C0000-0x00000000007A7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-135-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-143-0x0000000077A00000-0x0000000077BA3000-memory.dmp
    Filesize

    1.6MB

  • memory/4876-142-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-140-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-136-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-130-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-134-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-133-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB

  • memory/4876-132-0x0000000077A00000-0x0000000077BA3000-memory.dmp
    Filesize

    1.6MB

  • memory/4876-131-0x0000000000DE0000-0x00000000014C7000-memory.dmp
    Filesize

    6.9MB