Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-02-2024 14:04

General

  • Target

    a208e9a7c0f0482b0aafaa70d06a53ed.exe

  • Size

    597KB

  • MD5

    a208e9a7c0f0482b0aafaa70d06a53ed

  • SHA1

    8b77c0ddfa1fe0cc04f42feca7f0d9680d6e2056

  • SHA256

    e5822b2ea957234e12bc50f2400d32af5c609b49b69e249cb469eb4721193b7c

  • SHA512

    21a6cbe57a68eea16ba8bfa17ac27ae362d9b5eaee93a008688f778cea08daf536daeab9be2e365ce6fe7fc17d1fa9906ceda33ff71a686711043435f9a3dd3e

  • SSDEEP

    6144:DjF/EARyvEs74fvGjuUNS7go9eXtYlUx8QPme1LIAJNf1+:DjF/EaFsvPSko9e9ra2ZfM

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

sniperghost.no-ip.biz:1177

Mutex

26460d60a3b5b91b213d3bf18b1a3c93

Attributes
  • reg_key

    26460d60a3b5b91b213d3bf18b1a3c93

  • 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).

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe
    "C:\Users\Admin\AppData\Local\Temp\a208e9a7c0f0482b0aafaa70d06a53ed.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Users\Admin\AppData\Roaming\googleupdate.exe
      "C:\Users\Admin\AppData\Roaming\googleupdate.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\googleupdate.exe" "googleupdate.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\googleupdate.exe

    Filesize

    597KB

    MD5

    a208e9a7c0f0482b0aafaa70d06a53ed

    SHA1

    8b77c0ddfa1fe0cc04f42feca7f0d9680d6e2056

    SHA256

    e5822b2ea957234e12bc50f2400d32af5c609b49b69e249cb469eb4721193b7c

    SHA512

    21a6cbe57a68eea16ba8bfa17ac27ae362d9b5eaee93a008688f778cea08daf536daeab9be2e365ce6fe7fc17d1fa9906ceda33ff71a686711043435f9a3dd3e

  • memory/1652-20-0x0000000004C90000-0x0000000004CA0000-memory.dmp

    Filesize

    64KB

  • memory/1652-17-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/1652-21-0x0000000004D40000-0x0000000004DD2000-memory.dmp

    Filesize

    584KB

  • memory/1652-22-0x0000000004D00000-0x0000000004D0A000-memory.dmp

    Filesize

    40KB

  • memory/1652-23-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/1652-24-0x0000000004C90000-0x0000000004CA0000-memory.dmp

    Filesize

    64KB

  • memory/4788-2-0x0000000005630000-0x00000000056CC000-memory.dmp

    Filesize

    624KB

  • memory/4788-3-0x0000000005590000-0x000000000559C000-memory.dmp

    Filesize

    48KB

  • memory/4788-4-0x0000000005C80000-0x0000000006224000-memory.dmp

    Filesize

    5.6MB

  • memory/4788-0-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-18-0x0000000074AD0000-0x0000000075280000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-1-0x0000000000C00000-0x0000000000C9C000-memory.dmp

    Filesize

    624KB