General

  • Target

    VixenExternal.zip

  • Size

    43.8MB

  • Sample

    241205-d3x4lawqhv

  • MD5

    7d4d5a3200b1cb366e53699bf7b5d7f8

  • SHA1

    9f1f9966839d2e560705b1c7af95b8a9f611ca3b

  • SHA256

    60a60aa74911af0c1d4e093605bb5835e9877c33a5b057aea4a55d45462c9145

  • SHA512

    4d74e4d80984905950212b2177c06824568a1a5a133e9a482f96cd9bf56bbefa452a3229ca5bb3cd9cc2d87b74f7677054a286444bfb7c356ff3319ac142b8b9

  • SSDEEP

    786432:ZgYA776WycvrwE3SBu96FowofcWIz5gmvO8p2mj8j6ZIjTPBvmRnFvdnVjRUCDh9:ZcSWLDwE3OFowoUFzSR8Fw+IfMmchBkA

Malware Config

Targets

    • Target

      VixenExternal/VixenLoader.exe

    • Size

      44.0MB

    • MD5

      07c2ff366c0b16862e6ca03dfcc94428

    • SHA1

      9c29ee175d18edb1478e6074cbf123fe655684f0

    • SHA256

      6d8b2f6d80ee783788c63d2428e1707a99cacd8cc2e3daf8c8d3c394b6f6f8bd

    • SHA512

      40bec9b10392836be19a167e2140f4044a9a72f76345c7b84472446814738d261173f2ed12387dcace104068309416a22b7390330331337365188cb9c5a3cbe5

    • SSDEEP

      786432:Jo1IpD9h6HHveoo3Zl/xvj44b2Lr1rcSr+oy3Mao+8vUQDcpLlylA:Jo1EhQHHveoSZRxp2Lrj+oyjocQw

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer family

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks