Extracted

• • Target

    BlueStacksInstaller_5.21.550.1031_native_a84df0a742c64361a047a75521553ed5_MDs1LDM7MTUsMTsxNSw0OzE1LA==.exe

  • Size

    913KB

  • MD5

    f88ed174d2848207ff096424f705257b

  • SHA1

    2186f6b58eb9cb2b7434071f2719426c43cc004b

  • SHA256

    96bd9c9e7ff547805dce20e583aa95e3a047db2d01c1984549a825fa5f04f7c0

  • SHA512

    4307f8ce28c62758f80bc3f38c096da68ceb0cb444c3b055159eabf408f2ac8ac0dd9bac156d77a454c6c48a7c00cff94c63fb594c0ce5106fbb8df32b379e17

  • SSDEEP

    24576:vivtCXWeGKj8f7bi7iruGKW2loYW+wTZvlfk:KtCXWP/nieolonlN9fk

  Score

  10^/10

  stormkittyxwormcredential_accessdefense_evasiondiscoveryevasionexecutionratstealertrojan

  • Contains code to disable Windows Defender

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload

  • Modifies Windows Defender Real-time Protection settings

    evasiontrojan

  • StormKitty

    StormKitty is an open source info stealer written in C#.

    stealerstormkitty

  • StormKitty payload

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Drops startup file

  • Downloads MZ/PE file

  • 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.

  behavioral1