Overview

overview

10

Static

static

10

bElw.exe

windows7-x64

8

bElw.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2022 17:08

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General

  • Target

    bElw.exe

  • Size

    23KB

  • MD5

    7a4e65e91ae78468194bad4f8f2bc0f3

  • SHA1

    35d151673768d4b8c6c54dafe93db450a546b56d

  • SHA256

    e9f4c7190ff6c34f036720e246c62e26688f13ed3553f50a17d180a576dbf341

  • SHA512

    b9e8d9899c6ba752473ffad41f21dbe60c4f7feec7c028725088a27570474b9486410e221cc58562ce6db9abe64fd95871e2237b8a82b1ecc6fd739d57042bda

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\bElw.exe
    "C:\Users\Admin\AppData\Local\Temp\bElw.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bElw.exe" "bElw.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:4920

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

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Downloads

  • memory/2668-132-0x00000000745F0000-0x0000000074BA1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2668-134-0x00000000745F0000-0x0000000074BA1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4920-133-0x0000000000000000-mapping.dmp
    Download