Resubmissions

26-09-2024 06:42

240926-hgnp9ashkk 10

25-09-2024 16:40

240925-t6kwfayfph 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 16:40

General

  • Target

    bazaar.2020.02/Backdoor.Win32.Parazit.exe

  • Size

    48KB

  • MD5

    d52448cb39e67d27dae28f60906affcc

  • SHA1

    803c032ddeb9bcb46d828cf6bdc989d1a25cc660

  • SHA256

    4f54c2e0def0a2a5b478220b3ddbccc3ee2a7302cddbfe0e8e1d394587589d88

  • SHA512

    f5b9ada70e56f1e95dce6b95a612bf1ebef301be79328b802a7bce1e225ba78eabbaf825d8153215460625c1e6432add972f9c597a9d318973338a1a7895740d

  • SSDEEP

    768:ULvM+2O7Gel5quISq41ET8n7efFKuaAu4ycpV0byA8Bw4/xv5fS5:cCvel5HnqDY6f4vBcpsraW

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Backdoor.Win32.Parazit.exe
    "C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Backdoor.Win32.Parazit.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\syswow64\svchost.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/556-1-0x0000000000110000-0x0000000000121000-memory.dmp

    Filesize

    68KB

  • memory/556-6-0x0000000000110000-0x0000000000121000-memory.dmp

    Filesize

    68KB

  • memory/556-4-0x0000000000110000-0x0000000000121000-memory.dmp

    Filesize

    68KB

  • memory/556-2-0x00000000001D0000-0x00000000001E1000-memory.dmp

    Filesize

    68KB

  • memory/556-3-0x0000000000110000-0x0000000000121000-memory.dmp

    Filesize

    68KB

  • memory/4920-7-0x0000000003220000-0x0000000004220000-memory.dmp

    Filesize

    16.0MB

  • memory/4920-8-0x0000000003220000-0x0000000004220000-memory.dmp

    Filesize

    16.0MB