General

  • Target

    0cc554da4091787ab6a991fdf760fd7a44eef3f8df372531027c19803a29a8eb

  • Size

    2.3MB

  • Sample

    240521-j2s15sea54

  • MD5

    10bb9cdf192879a54fd1cbee6cfd5780

  • SHA1

    a88232d35bfd1ddecbefd7cdc213f5b1f68d13ff

  • SHA256

    0cc554da4091787ab6a991fdf760fd7a44eef3f8df372531027c19803a29a8eb

  • SHA512

    e16f942afe9633ffff22bb3eecaad24520f42649d193833e2aa2821d0db54012b9f3f66bcc553932f3a300d4de9015c19a1beb8b3ea51401042d1ed7e8cf6e5f

  • SSDEEP

    24576:0qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJheZLg31+mYGnKBFFJETXHOarvX:0P6hSrcCPT0JZLg31+mYGnKD0TXN

Malware Config

Targets

    • Target

      0cc554da4091787ab6a991fdf760fd7a44eef3f8df372531027c19803a29a8eb

    • Size

      2.3MB

    • MD5

      10bb9cdf192879a54fd1cbee6cfd5780

    • SHA1

      a88232d35bfd1ddecbefd7cdc213f5b1f68d13ff

    • SHA256

      0cc554da4091787ab6a991fdf760fd7a44eef3f8df372531027c19803a29a8eb

    • SHA512

      e16f942afe9633ffff22bb3eecaad24520f42649d193833e2aa2821d0db54012b9f3f66bcc553932f3a300d4de9015c19a1beb8b3ea51401042d1ed7e8cf6e5f

    • SSDEEP

      24576:0qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJheZLg31+mYGnKBFFJETXHOarvX:0P6hSrcCPT0JZLg31+mYGnKD0TXN

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • xmrig

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

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • UPX packed file

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

    • 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.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • 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

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Tasks