Analysis

  • max time kernel
    59s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 19:41

General

  • Target

    e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47.exe

  • Size

    1.2MB

  • MD5

    fca066e3871946f3f04d016f90c7eb09

  • SHA1

    54f13fd7384d592fc1d02e027aab5f422770012e

  • SHA256

    e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47

  • SHA512

    cced5ff80cdc33e747e1ffb16e3d44c6e6f5aaab9a54e24bbfbb56b4451c14e255d5253cb2f00fd101c4fb9b77e512124131d8906bee5f176d6043970a8270a8

  • SSDEEP

    12288:shad/nhhh+E0AtduJRmZJaR/M3P9MUsuyWiP8Bt6hl1c7:dd/nNqAqJkaRE5JBtIl

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ROMA 1940

C2

seznam.hopto.org:1177

Mutex

58815759959944c4bb49f4885faebc1e

Attributes
  • reg_key

    58815759959944c4bb49f4885faebc1e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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 use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47.exe
    "C:\Users\Admin\AppData\Local\Temp\e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Users\Admin\AppData\Local\Temp\minocraft.exe
      "C:\Users\Admin\AppData\Local\Temp\minocraft.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:968
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\minocraft.exe" "minocraft.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4320
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1020,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
    1⤵
      PID:3316

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\minocraft.exe

      Filesize

      1.2MB

      MD5

      fca066e3871946f3f04d016f90c7eb09

      SHA1

      54f13fd7384d592fc1d02e027aab5f422770012e

      SHA256

      e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47

      SHA512

      cced5ff80cdc33e747e1ffb16e3d44c6e6f5aaab9a54e24bbfbb56b4451c14e255d5253cb2f00fd101c4fb9b77e512124131d8906bee5f176d6043970a8270a8

    • memory/968-21-0x0000000005300000-0x000000000530A000-memory.dmp

      Filesize

      40KB

    • memory/968-18-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/968-20-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/968-22-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/968-23-0x0000000005540000-0x00000000055A6000-memory.dmp

      Filesize

      408KB

    • memory/968-24-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/3868-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

      Filesize

      5.6MB

    • memory/3868-3-0x0000000005360000-0x00000000053F2000-memory.dmp

      Filesize

      584KB

    • memory/3868-4-0x0000000005500000-0x000000000559C000-memory.dmp

      Filesize

      624KB

    • memory/3868-5-0x0000000002C70000-0x0000000002C7C000-memory.dmp

      Filesize

      48KB

    • memory/3868-1-0x00000000007E0000-0x000000000090E000-memory.dmp

      Filesize

      1.2MB

    • memory/3868-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB