Analysis

  • max time kernel
    128s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    20-01-2022 08:14

General

  • Target

    aa7e600161d7614b3e08d40494f2d4bc.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
  • 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\aa7e600161d7614b3e08d40494f2d4bc.exe
    "C:\Users\Admin\AppData\Local\Temp\aa7e600161d7614b3e08d40494f2d4bc.exe"
    1⤵
    • Checks BIOS information in registry
    • Drops startup file
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:3976
    • 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:1620

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

    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/1620-135-0x00007FF75D210000-0x00007FF75DB2F000-memory.dmp
    Filesize

    9.1MB

  • memory/1620-136-0x00007FF75D210000-0x00007FF75DB2F000-memory.dmp
    Filesize

    9.1MB

  • memory/1620-137-0x00007FF75D210000-0x00007FF75DB2F000-memory.dmp
    Filesize

    9.1MB

  • memory/3976-130-0x00007FF6D3FF0000-0x00007FF6D490F000-memory.dmp
    Filesize

    9.1MB

  • memory/3976-131-0x00007FF6D3FF0000-0x00007FF6D490F000-memory.dmp
    Filesize

    9.1MB

  • memory/3976-132-0x00007FF6D3FF0000-0x00007FF6D490F000-memory.dmp
    Filesize

    9.1MB