Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-05-2023 09:36

General

  • Target

    c0d00e3956e2dfeadee3ca654d8cb54c.exe

  • Size

    43KB

  • MD5

    c0d00e3956e2dfeadee3ca654d8cb54c

  • SHA1

    0bd886d04f96f4bff5b04c169d0984540fb35300

  • SHA256

    b43959f8924a76b63b8300fb1d7f3943736d9c58e8c079e11bb17390949ed894

  • SHA512

    90a03de70316c930828b99381867ef1c032ff91ddeb79a4190c09d09225f7d898dda0385b580aa9a465ecf646a25e41cf80bad922adc876e6e1b9228f971899a

  • SSDEEP

    384:9ZyYoFkV6Lk8y85nbjX1moyOoE6+0J6dHbzzIij+ZsNO3PlpJKkkjh/TzF7pWnm2:3toFksY5ebjX1moRqJ6uuXQ/oHt2+L

Score
10/10

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

Hacker

C2

5.tcp.eu.ngrok.io:15728

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0d00e3956e2dfeadee3ca654d8cb54c.exe
    "C:\Users\Admin\AppData\Local\Temp\c0d00e3956e2dfeadee3ca654d8cb54c.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Windows\WinRar.exe
      "C:\Windows\WinRar.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:444

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\WinRar.exe
    Filesize

    43KB

    MD5

    c0d00e3956e2dfeadee3ca654d8cb54c

    SHA1

    0bd886d04f96f4bff5b04c169d0984540fb35300

    SHA256

    b43959f8924a76b63b8300fb1d7f3943736d9c58e8c079e11bb17390949ed894

    SHA512

    90a03de70316c930828b99381867ef1c032ff91ddeb79a4190c09d09225f7d898dda0385b580aa9a465ecf646a25e41cf80bad922adc876e6e1b9228f971899a

  • C:\Windows\WinRar.exe
    Filesize

    43KB

    MD5

    c0d00e3956e2dfeadee3ca654d8cb54c

    SHA1

    0bd886d04f96f4bff5b04c169d0984540fb35300

    SHA256

    b43959f8924a76b63b8300fb1d7f3943736d9c58e8c079e11bb17390949ed894

    SHA512

    90a03de70316c930828b99381867ef1c032ff91ddeb79a4190c09d09225f7d898dda0385b580aa9a465ecf646a25e41cf80bad922adc876e6e1b9228f971899a

  • C:\Windows\WinRar.exe
    Filesize

    43KB

    MD5

    c0d00e3956e2dfeadee3ca654d8cb54c

    SHA1

    0bd886d04f96f4bff5b04c169d0984540fb35300

    SHA256

    b43959f8924a76b63b8300fb1d7f3943736d9c58e8c079e11bb17390949ed894

    SHA512

    90a03de70316c930828b99381867ef1c032ff91ddeb79a4190c09d09225f7d898dda0385b580aa9a465ecf646a25e41cf80bad922adc876e6e1b9228f971899a

  • memory/444-147-0x0000000005300000-0x0000000005310000-memory.dmp
    Filesize

    64KB

  • memory/444-148-0x00000000056B0000-0x00000000056BA000-memory.dmp
    Filesize

    40KB

  • memory/444-149-0x0000000005910000-0x0000000005976000-memory.dmp
    Filesize

    408KB

  • memory/444-150-0x0000000005300000-0x0000000005310000-memory.dmp
    Filesize

    64KB

  • memory/1764-133-0x00000000006C0000-0x00000000006D2000-memory.dmp
    Filesize

    72KB

  • memory/1764-134-0x0000000005070000-0x000000000510C000-memory.dmp
    Filesize

    624KB

  • memory/1764-135-0x0000000005970000-0x0000000005F14000-memory.dmp
    Filesize

    5.6MB

  • memory/1764-136-0x0000000005470000-0x0000000005502000-memory.dmp
    Filesize

    584KB

  • memory/1764-137-0x00000000052B0000-0x00000000052C0000-memory.dmp
    Filesize

    64KB