Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 18:38

General

  • Target

    464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe

  • Size

    3.3MB

  • MD5

    b2adbe5ec5bba599a6de1525757d4305

  • SHA1

    fda30246566cedc7cc7117169155ee3a1b69af7f

  • SHA256

    464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe

  • SHA512

    4e6b2d4bb094f4c500f00bda294a28800debb6573c2115b4eb61e2b6b4abca94854f448913dfbdc666fe6724c01cb237b9e5522a79054ddbc9d2c02da1dc0a88

  • SSDEEP

    98304:MchV+2Z/m9D2D08Iw3QgT+l4NNEfUOq+O3XMifOYje:Xd/m9r8IstNEcOq+OM2OYje

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

still-obviously.gl.at.ply.gg:46857

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe
    "C:\Users\Admin\AppData\Local\Temp\464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Drops startup file
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2568
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe

    Filesize

    3.3MB

    MD5

    b2adbe5ec5bba599a6de1525757d4305

    SHA1

    fda30246566cedc7cc7117169155ee3a1b69af7f

    SHA256

    464b61cfe1782dd93d35992994a69b6bf2b51c6adf31e2e9c2e9684dd29fddbe

    SHA512

    4e6b2d4bb094f4c500f00bda294a28800debb6573c2115b4eb61e2b6b4abca94854f448913dfbdc666fe6724c01cb237b9e5522a79054ddbc9d2c02da1dc0a88

  • memory/2788-12-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-20-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-11-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-2-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-10-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-21-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-19-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-9-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-17-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-16-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-15-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-1-0x0000000075431000-0x0000000075432000-memory.dmp

    Filesize

    4KB

  • memory/2788-3-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-4-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-18-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-8-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-7-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-6-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-5-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-22-0x0000000001370000-0x0000000001C3A000-memory.dmp

    Filesize

    8.8MB

  • memory/2788-23-0x0000000001370000-0x0000000001C3A000-memory.dmp

    Filesize

    8.8MB

  • memory/2788-26-0x0000000001370000-0x0000000001C3A000-memory.dmp

    Filesize

    8.8MB

  • memory/2788-27-0x0000000075431000-0x0000000075432000-memory.dmp

    Filesize

    4KB

  • memory/2788-28-0x0000000075420000-0x0000000075530000-memory.dmp

    Filesize

    1.1MB

  • memory/2788-0-0x0000000001370000-0x0000000001C3A000-memory.dmp

    Filesize

    8.8MB