General

  • Target

    New Client.exe

  • Size

    167KB

  • Sample

    240620-yzkz3szdmn

  • MD5

    e6ec637308ff2cde1fe5baaa146c67be

  • SHA1

    d7e58f694bd75d02ac030c772057fe5d2fd0bfae

  • SHA256

    1ac26028d344cbe42b344de82f45736c51347e1a4e7cd3175fe6a3d746e0c5ca

  • SHA512

    b89092e2b4e60fb728cb71355853a5897e60c0cba93ff357ee3f13b6ad8693cf387c1f0ddb2971aa465658c44622f76ba674a579e0731616c6d1af21f5be7ec3

  • SSDEEP

    3072:QWeOfoN36tLQviFCuoBn8pfWl9zRaF9bEYvM+UJ8T2SXZyrgoBJtbN/3MCK2kev0:QI49zGvMA/JdSI5eb

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

LOX

C2

127.0.0.1:10935

Mutex

Microsoft Edge

Attributes
  • reg_key

    Microsoft Edge

  • splitter

    |Ghost|

Targets

    • Target

      New Client.exe

    • Size

      167KB

    • MD5

      e6ec637308ff2cde1fe5baaa146c67be

    • SHA1

      d7e58f694bd75d02ac030c772057fe5d2fd0bfae

    • SHA256

      1ac26028d344cbe42b344de82f45736c51347e1a4e7cd3175fe6a3d746e0c5ca

    • SHA512

      b89092e2b4e60fb728cb71355853a5897e60c0cba93ff357ee3f13b6ad8693cf387c1f0ddb2971aa465658c44622f76ba674a579e0731616c6d1af21f5be7ec3

    • SSDEEP

      3072:QWeOfoN36tLQviFCuoBn8pfWl9zRaF9bEYvM+UJ8T2SXZyrgoBJtbN/3MCK2kev0:QI49zGvMA/JdSI5eb

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Neshta payload

    • Neshta

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Disables Task Manager via registry modification

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks