Overview

overview

10

Static

static

10

bEiR.exe

windows7-x64

8

bEiR.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2022 02:08

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    bEiR.exe

  • Size

    23KB

  • MD5

    b4355ec0815354965333f61ef03df0b4

  • SHA1

    a7ec0778d34b932de187d90c92e3af10b31088a2

  • SHA256

    b5a11b8a198e261609192e65ad1ef746cd2a87b1b94d99d6fb562c2437471303

  • SHA512

    6e43e7a33fb0e16999d48938fbc229cfc7367570f391a876be0df07df16f1038e118c59b7b68a767fb8bf9086dd1d620dca58e0b23e221842909f671ac047c99

Score
10/10
njratevasiontrojan

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bEiR.exe
    "C:\Users\Admin\AppData\Local\Temp\bEiR.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bEiR.exe" "bEiR.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:4588

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3516-132-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3516-134-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4588-133-0x0000000000000000-mapping.dmp
    Download