Resubmissions

07-06-2024 19:24

240607-x4kz7sdc94 10

07-06-2024 19:18

240607-x1cvescd3s 10

General

  • Target

    RobloxPlayerInstaller.exe

  • Size

    5.4MB

  • Sample

    240607-x1cvescd3s

  • MD5

    84e67989f7ccd11c2b7db38f3d3443b8

  • SHA1

    c3e821de715aa7508b3273de16c9156014d81922

  • SHA256

    5eac06573fb9289a5ad1dfa8b88d2d7b79f1bd89e61c53247f8cae50143e7a2c

  • SHA512

    d0ea7235f591f31edeb7183c91fb0bb1347a9386c170c43b21e2c5fd93b7040e73e1a1a9f3ef6f83d097b1af0f9e2a9938dd59ae47588940491da25248eb7d99

  • SSDEEP

    98304:JDvBVrrsYuyzh6E1auhHgVZirlmxJLCCQa/BHA2ujaQ:JbrrBdb7gVxLCk/xPtQ

Malware Config

Targets

    • Target

      RobloxPlayerInstaller.exe

    • Size

      5.4MB

    • MD5

      84e67989f7ccd11c2b7db38f3d3443b8

    • SHA1

      c3e821de715aa7508b3273de16c9156014d81922

    • SHA256

      5eac06573fb9289a5ad1dfa8b88d2d7b79f1bd89e61c53247f8cae50143e7a2c

    • SHA512

      d0ea7235f591f31edeb7183c91fb0bb1347a9386c170c43b21e2c5fd93b7040e73e1a1a9f3ef6f83d097b1af0f9e2a9938dd59ae47588940491da25248eb7d99

    • SSDEEP

      98304:JDvBVrrsYuyzh6E1auhHgVZirlmxJLCCQa/BHA2ujaQ:JbrrBdb7gVxLCk/xPtQ

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Downloads MZ/PE file

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

7
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Replication Through Removable Media

1
T1091

Command and Control

Web Service

1
T1102

Tasks