Overview

overview

10

Static

static

10

850072b510...87.exe

windows7_x64

10

850072b510...87.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:32

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General

  • Target

    850072b510695bd8649daad557e371b869054361e888d1aa4ffa51cf8e8c7c87.exe

  • Size

    37KB

  • MD5

    bb9d4ebcc754a7e6cb7536b735d85fdf

  • SHA1

    62a93b979c2634af2b39520df73249747bbed84c

  • SHA256

    850072b510695bd8649daad557e371b869054361e888d1aa4ffa51cf8e8c7c87

  • SHA512

    e727a8e987da902339c6ceef93e163fedaa8a0a03c5e0784ac919653f0428f8723ebab7d232cef80bd1337956254c4333fba500ee85fdfdc2a80884822e48363

Score
10/10
njrathackedevasiontrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

miop.ddns.net:2280

Mutex

18df5afc301de09badbb5fa494c2daf3

Attributes
  • reg_key

    18df5afc301de09badbb5fa494c2daf3

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\850072b510695bd8649daad557e371b869054361e888d1aa4ffa51cf8e8c7c87.exe
    "C:\Users\Admin\AppData\Local\Temp\850072b510695bd8649daad557e371b869054361e888d1aa4ffa51cf8e8c7c87.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Users\Admin\AppData\Local\Temp\server5.exe
      "C:\Users\Admin\AppData\Local\Temp\server5.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server5.exe" "server5.exe" ENABLE
        3⤵
          PID:3880

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\server5.exe
      Filesize

      37KB

      MD5

      bb9d4ebcc754a7e6cb7536b735d85fdf

      SHA1

      62a93b979c2634af2b39520df73249747bbed84c

      SHA256

      850072b510695bd8649daad557e371b869054361e888d1aa4ffa51cf8e8c7c87

      SHA512

      e727a8e987da902339c6ceef93e163fedaa8a0a03c5e0784ac919653f0428f8723ebab7d232cef80bd1337956254c4333fba500ee85fdfdc2a80884822e48363

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\server5.exe
      Filesize

      37KB

      MD5

      bb9d4ebcc754a7e6cb7536b735d85fdf

      SHA1

      62a93b979c2634af2b39520df73249747bbed84c

      SHA256

      850072b510695bd8649daad557e371b869054361e888d1aa4ffa51cf8e8c7c87

      SHA512

      e727a8e987da902339c6ceef93e163fedaa8a0a03c5e0784ac919653f0428f8723ebab7d232cef80bd1337956254c4333fba500ee85fdfdc2a80884822e48363

      Download Submit
    • memory/2864-131-0x0000000000000000-mapping.dmp
      Download
    • memory/2864-134-0x0000000074690000-0x0000000074C41000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/3880-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4776-130-0x0000000074690000-0x0000000074C41000-memory.dmp
      Filesize

      5.7MB

      Download