Analysis

  • max time kernel
    200s
  • max time network
    216s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 11:55

General

  • Target

    b5deb3bd8f8a915bf9341b2e6452dd08.exe

  • Size

    43KB

  • MD5

    b5deb3bd8f8a915bf9341b2e6452dd08

  • SHA1

    7e23f7ba467c0d1d8d61a2aab86d2b7c799b0dfa

  • SHA256

    d982a8fb32306aa713dcbc95f805e5e30ebb84e7ff609d78347813ba35cac5b7

  • SHA512

    cfe8b40a19dabbaadff3eb660411363681baf3c37aa8c0f96f49a6e2dcd504884ad059bcbf01d18616bc79da2ab2804cbe2c2292e6c0c65f5de2d2f8c0d91d1a

  • SSDEEP

    384:rZyi8Yz/wpa9GP4Uy2FBIgEcEw56VhSzIIij+ZsNO3PlpJKkkjh/TzF7pWnc/gra:Fl8KR4gh2vIFc6IuXQ/oV3+L

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

kobloxfix

C2

4.tcp.eu.ngrok.io:18098

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5deb3bd8f8a915bf9341b2e6452dd08.exe
    "C:\Users\Admin\AppData\Local\Temp\b5deb3bd8f8a915bf9341b2e6452dd08.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3308-0-0x0000000000B30000-0x0000000000B42000-memory.dmp

    Filesize

    72KB

  • memory/3308-1-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/3308-2-0x0000000005500000-0x000000000559C000-memory.dmp

    Filesize

    624KB

  • memory/3308-3-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/3308-4-0x00000000056D0000-0x00000000056E0000-memory.dmp

    Filesize

    64KB

  • memory/3308-5-0x00000000056D0000-0x00000000056E0000-memory.dmp

    Filesize

    64KB

  • memory/3308-6-0x0000000005DC0000-0x0000000006364000-memory.dmp

    Filesize

    5.6MB

  • memory/3308-7-0x0000000005910000-0x00000000059A2000-memory.dmp

    Filesize

    584KB

  • memory/3308-8-0x00000000056C0000-0x00000000056CA000-memory.dmp

    Filesize

    40KB