General

  • Target

    BetterSolara.exe

  • Size

    16.7MB

  • Sample

    240529-t48vgscc96

  • MD5

    3934847f717f78cf77739e4000f3eb05

  • SHA1

    6c567b0e3a2779836988bc331b9ac3cec928930e

  • SHA256

    3cb38b6703b6de0b6d3ccd9c600c217b497d694f7c76566cc38f5a518848306e

  • SHA512

    ac049def2ca4875abf560fead264b3599ec0cf476c911ab8b5d93ecdb2f4b0e828a07a18253bbd7c67914b53d1c6c594f8093e0b45252de8c606662da6c56b58

  • SSDEEP

    393216:Y/m3wnMS9DKfopmskhjDd8Bcq1GX4yKQ4x6XEdrme:Y/cSdUopm5dqBBUVT46Use

Malware Config

Extracted

Family

xenorat

C2

taking-headquarters.gl.at.ply.gg

Mutex

Xeno_rat_nd8912d

Attributes
  • install_path

    appdata

  • port

    3069

  • startup_name

    Console

Targets

    • Target

      BetterSolara.exe

    • Size

      16.7MB

    • MD5

      3934847f717f78cf77739e4000f3eb05

    • SHA1

      6c567b0e3a2779836988bc331b9ac3cec928930e

    • SHA256

      3cb38b6703b6de0b6d3ccd9c600c217b497d694f7c76566cc38f5a518848306e

    • SHA512

      ac049def2ca4875abf560fead264b3599ec0cf476c911ab8b5d93ecdb2f4b0e828a07a18253bbd7c67914b53d1c6c594f8093e0b45252de8c606662da6c56b58

    • SSDEEP

      393216:Y/m3wnMS9DKfopmskhjDd8Bcq1GX4yKQ4x6XEdrme:Y/cSdUopm5dqBBUVT46Use

    • XenorRat

      XenorRat is a remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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.

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks