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Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2024, 20:39

General

  • Target

    6896d048d27bea80e2cdbbbbe4defb2a.exe

  • Size

    212KB

  • MD5

    6896d048d27bea80e2cdbbbbe4defb2a

  • SHA1

    0c24a7442ea00f66c69bfd9a0117c4e146b81f12

  • SHA256

    15f9b67ecfda417a32f745831479c6e6707c9383a76fee7688f1250927a9e698

  • SHA512

    d2fce1a65d8feca888a4f5a519855979c9c26b237552651b19e3de3d841d773bb5dc0a29ad96a3ba9cbf7b3fd97ad5a5796de28834f2da0ec6d3995ca3a2923f

  • SSDEEP

    3072:MJacj8v7wQ+ZGx7w8wjjP8I1IU8RjrzzvUWAOZjfKdLtY7:MJPgv7wJZ87wBjYI1IUwrIOZya7

Score
10/10

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Hacked

C2

abdo95.ddns.net:1177

Mutex

ed6e2bf930f6d35b3ac57c049d10ac2c

Attributes
  • reg_key

    ed6e2bf930f6d35b3ac57c049d10ac2c

  • splitter

    |'|'|

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 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6896d048d27bea80e2cdbbbbe4defb2a.exe
    "C:\Users\Admin\AppData\Local\Temp\6896d048d27bea80e2cdbbbbe4defb2a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:892
      • C:\Users\Admin\AppData\Local\Temp\test.exe
        test.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4520
        • C:\Users\Admin\AppData\Local\Temp\Explorer.exe
          "C:\Users\Admin\AppData\Local\Temp\Explorer.exe"
          4⤵
          • Executes dropped EXE
          PID:3100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    29KB

    MD5

    fc42513e45503d510fb011bbb309e51e

    SHA1

    e9741466f6e68dadb9e874f12d5b62fe14693741

    SHA256

    766240fd9026a04e4a7f20240f699133eef24a969e242afdd471ad0a179cefe3

    SHA512

    0f2a88f96a8a47abe062ccca986d2b3d98310374629c9067b19dbfeb73f23ba411b3ca5ae3877684770fb2d25947305b42c38a913a329e6220de6cd5d539a8ca

  • memory/3100-17-0x0000000074740000-0x0000000074CF1000-memory.dmp

    Filesize

    5.7MB

  • memory/3100-18-0x0000000000E50000-0x0000000000E60000-memory.dmp

    Filesize

    64KB

  • memory/3100-19-0x0000000074740000-0x0000000074CF1000-memory.dmp

    Filesize

    5.7MB

  • memory/3100-23-0x0000000074740000-0x0000000074CF1000-memory.dmp

    Filesize

    5.7MB

  • memory/3944-0-0x0000000000400000-0x0000000000498000-memory.dmp

    Filesize

    608KB

  • memory/3944-5-0x0000000000400000-0x0000000000498000-memory.dmp

    Filesize

    608KB

  • memory/3944-24-0x0000000000400000-0x0000000000498000-memory.dmp

    Filesize

    608KB

  • memory/4520-6-0x0000000074740000-0x0000000074CF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4520-7-0x0000000001450000-0x0000000001460000-memory.dmp

    Filesize

    64KB

  • memory/4520-8-0x0000000074740000-0x0000000074CF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4520-22-0x0000000074740000-0x0000000074CF1000-memory.dmp

    Filesize

    5.7MB