General

  • Target

    RobloxPlayerInstaller (1).exe

  • Size

    6.6MB

  • Sample

    241119-egntgazlgz

  • MD5

    5088d91c1e88554a4139566f37384d89

  • SHA1

    e900d1005911601082896ca5bda4b033d8f87bd2

  • SHA256

    d0af716bd0939e74b9d64872e76da049ff30f1a199c64c3e9c5a5c99b587f015

  • SHA512

    61bdf2070ba5dae8a8b0cd43f8e3e8aa7559bbd60797e27cc1b9ce4d99e260806b81e1e3c56159eacf4865c0af42a98b53dc9c4ce498f06af62ae9e97396a314

  • SSDEEP

    98304:AxvXWL7mlkPO0CsJZhaT4KVOGZvPRABKnMphs/g1WwxS9TQ+PYnIoE9/tyF5C3:aG3mlOO7sjUDJz1g1WW+PtoQ/k63

Malware Config

Targets

    • Target

      RobloxPlayerInstaller (1).exe

    • Size

      6.6MB

    • MD5

      5088d91c1e88554a4139566f37384d89

    • SHA1

      e900d1005911601082896ca5bda4b033d8f87bd2

    • SHA256

      d0af716bd0939e74b9d64872e76da049ff30f1a199c64c3e9c5a5c99b587f015

    • SHA512

      61bdf2070ba5dae8a8b0cd43f8e3e8aa7559bbd60797e27cc1b9ce4d99e260806b81e1e3c56159eacf4865c0af42a98b53dc9c4ce498f06af62ae9e97396a314

    • SSDEEP

      98304:AxvXWL7mlkPO0CsJZhaT4KVOGZvPRABKnMphs/g1WwxS9TQ+PYnIoE9/tyF5C3:aG3mlOO7sjUDJz1g1WW+PtoQ/k63

    • Creates new service(s)

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Possible privilege escalation attempt

    • A potential corporate email address has been identified in the URL: currency-file@1

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • 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

    • Enumerates connected drives

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

    • 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.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks