General

  • Target

    LunarExecutorV1.6.EXE

  • Size

    68.9MB

  • Sample

    240528-hfzfcshf31

  • MD5

    0de60c954486bdc0a5d0f1073d988aa2

  • SHA1

    3dfbab5b70194d39dc8ab68160253eb641051123

  • SHA256

    7c57b598878c89fc502dfa308dd9255e3c336d0c846925bed74b054c11dbf515

  • SHA512

    72917b080077522f758aa9abce53d97d940aca626a65b08392c6221b1b26f2ae850b78850bddd547993c49ea55026715341b36b9e9646759691ac52800e3e4cf

  • SSDEEP

    1572864:ay8NYZ4tZ33atAbmT5LTGj9aY79EXZH263FwggCU1FcDI2:ay8hZS7T5LTGBaY99YrOcDI

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.python.org/ftp/python/3.11.0/python-3.11.0-amd64.exe

Targets

    • Target

      LunarExecutorV1.6.EXE

    • Size

      68.9MB

    • MD5

      0de60c954486bdc0a5d0f1073d988aa2

    • SHA1

      3dfbab5b70194d39dc8ab68160253eb641051123

    • SHA256

      7c57b598878c89fc502dfa308dd9255e3c336d0c846925bed74b054c11dbf515

    • SHA512

      72917b080077522f758aa9abce53d97d940aca626a65b08392c6221b1b26f2ae850b78850bddd547993c49ea55026715341b36b9e9646759691ac52800e3e4cf

    • SSDEEP

      1572864:ay8NYZ4tZ33atAbmT5LTGj9aY79EXZH263FwggCU1FcDI2:ay8hZS7T5LTGBaY99YrOcDI

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

2
T1005

Impact

Service Stop

1
T1489

Tasks