Overview

overview

10

Static

static

10

bNqu.exe

windows7-x64

10

bNqu.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bNqu.exe

  • Size

    78KB

  • Sample

    230607-shwglacf4v

  • MD5

    d4b127a7d4e2609d86747eadf6fd00ba

  • SHA1

    88754fa2fa044a1bcac7ad1ede8c8cfa533bbdab

  • SHA256

    a4565de8728f2196a30e7337c45d94b0b7f8dfca1bd610f5bd0d597e483d1b37

  • SHA512

    f7d36d3f931d75793f1ee55bd7be5a3edc8c5ebff198a5eac0d234eb2964c78b6a071c38a1042ea3b4aad50d8be77998d3922c075d4aed838e0b6d5d960f2488

  • SSDEEP

    1536:Gh9z+dBLX+DpPS5wpOk3JCK6pFo4j/6fOpd/9nEh9TGaJMR:UWqQwpOk5CK6MO/9ESaJM

Score
10/10
asyncratneshtanjratremcos02junpav18abrilprimas_2023rem04robotpersistenceratspywarestealertrojanupx

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

Primas_2023

C2

administradorv.duckdns.org:2019

Mutex

Notepad.exe

Attributes
  • reg_key

    Notepad.exe

  • splitter

    1234

Extracted

Family

remcos

Botnet

rem04robot

C2

soatfebrero.duckdns.org:8091

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-MVFL5W

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

njrat

Version

0.7.3

Botnet

18abril

C2

verde2021.duckdns.org:7782

Mutex

Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    1234

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

02junPav

C2

enero2022async.duckdns.org:7784

Mutex

546rf%$RFWT4T5E3R

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      bNqu.exe

    • Size

      78KB

    • MD5

      d4b127a7d4e2609d86747eadf6fd00ba

    • SHA1

      88754fa2fa044a1bcac7ad1ede8c8cfa533bbdab

    • SHA256

      a4565de8728f2196a30e7337c45d94b0b7f8dfca1bd610f5bd0d597e483d1b37

    • SHA512

      f7d36d3f931d75793f1ee55bd7be5a3edc8c5ebff198a5eac0d234eb2964c78b6a071c38a1042ea3b4aad50d8be77998d3922c075d4aed838e0b6d5d960f2488

    • SSDEEP

      1536:Gh9z+dBLX+DpPS5wpOk3JCK6pFo4j/6fOpd/9nEh9TGaJMR:UWqQwpOk5CK6MO/9ESaJM

    Score
    10/10
    asyncratneshtanjratremcos02junpav18abrilrem04robotpersistenceratspywarestealertrojanupx

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks