Analysis

  • max time kernel
    146s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    20-01-2022 08:19

General

  • Target

    60993129337e1a1f07964c4a34bee86292cd508e7a02d49ba1ca119fd02203f8.exe

  • Size

    3.3MB

  • MD5

    aa7e600161d7614b3e08d40494f2d4bc

  • SHA1

    9d3780e0e0d6413711b2440cf6da6ce7cf79e1f2

  • SHA256

    60993129337e1a1f07964c4a34bee86292cd508e7a02d49ba1ca119fd02203f8

  • SHA512

    b3b14ac946177913539f36f4a1e137d59d82e596b91bcbbd1329405080ae181ae804423ba88087012405525db2665a93fc569a237884840c8e8854a5b61b524f

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Sets service image path in registry 2 TTPs
  • 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.

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60993129337e1a1f07964c4a34bee86292cd508e7a02d49ba1ca119fd02203f8.exe
    "C:\Users\Admin\AppData\Local\Temp\60993129337e1a1f07964c4a34bee86292cd508e7a02d49ba1ca119fd02203f8.exe"
    1⤵
    • Checks BIOS information in registry
    • Drops startup file
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:3268
    • 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:2256
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 8428e3ab4183de72b688ee3add8ba9e0 kzNOHWgkbkuSnUfGtYbUsQ.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:3272
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k wusvcs -p
    1⤵
      PID:1316

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Modify Registry

    1
    T1112

    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

      aa7e600161d7614b3e08d40494f2d4bc

      SHA1

      9d3780e0e0d6413711b2440cf6da6ce7cf79e1f2

      SHA256

      60993129337e1a1f07964c4a34bee86292cd508e7a02d49ba1ca119fd02203f8

      SHA512

      b3b14ac946177913539f36f4a1e137d59d82e596b91bcbbd1329405080ae181ae804423ba88087012405525db2665a93fc569a237884840c8e8854a5b61b524f

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

      aa7e600161d7614b3e08d40494f2d4bc

      SHA1

      9d3780e0e0d6413711b2440cf6da6ce7cf79e1f2

      SHA256

      60993129337e1a1f07964c4a34bee86292cd508e7a02d49ba1ca119fd02203f8

      SHA512

      b3b14ac946177913539f36f4a1e137d59d82e596b91bcbbd1329405080ae181ae804423ba88087012405525db2665a93fc569a237884840c8e8854a5b61b524f

    • memory/2256-135-0x00007FF76CF20000-0x00007FF76D83F000-memory.dmp
      Filesize

      9.1MB

    • memory/2256-136-0x00007FF76CF20000-0x00007FF76D83F000-memory.dmp
      Filesize

      9.1MB

    • memory/2256-137-0x00007FF76CF20000-0x00007FF76D83F000-memory.dmp
      Filesize

      9.1MB

    • memory/3268-130-0x00007FF711E40000-0x00007FF71275F000-memory.dmp
      Filesize

      9.1MB

    • memory/3268-131-0x00007FF711E40000-0x00007FF71275F000-memory.dmp
      Filesize

      9.1MB

    • memory/3268-132-0x00007FF711E40000-0x00007FF71275F000-memory.dmp
      Filesize

      9.1MB