General

  • Target

    Lunar Release V1.2.exe

  • Size

    26.8MB

  • Sample

    240601-2r6hlaac34

  • MD5

    7eae1354932dcc6f0db4a6b6d0f00971

  • SHA1

    61f122ed38c93d36c08ffbfde8418580edb4a44c

  • SHA256

    dce4f486acb10ec17770782fada8e7696d454727912a2889ebfbf466c9bbb60e

  • SHA512

    606c5f2c1a781728577d4d175409e266e738f610529877a0ef0529e2627778a1b1814069acbf74b1da14f88a51da1c84cce4697b0b00c49c45ef16dc3537e9e5

  • SSDEEP

    786432:aJTiZQH7iiQ3w+n9tlPLKEjp4YRX+8aHDB:aViZm7iiQ3w+n9tlPLKEjp4Y1+Zt

Malware Config

Extracted

Family

xworm

C2

91.92.241.69:5555

Attributes
  • Install_directory

    %AppData%

  • install_file

    AMD Graphics Manager.exe

Targets

    • Target

      Lunar Release V1.2.exe

    • Size

      26.8MB

    • MD5

      7eae1354932dcc6f0db4a6b6d0f00971

    • SHA1

      61f122ed38c93d36c08ffbfde8418580edb4a44c

    • SHA256

      dce4f486acb10ec17770782fada8e7696d454727912a2889ebfbf466c9bbb60e

    • SHA512

      606c5f2c1a781728577d4d175409e266e738f610529877a0ef0529e2627778a1b1814069acbf74b1da14f88a51da1c84cce4697b0b00c49c45ef16dc3537e9e5

    • SSDEEP

      786432:aJTiZQH7iiQ3w+n9tlPLKEjp4YRX+8aHDB:aViZm7iiQ3w+n9tlPLKEjp4Y1+Zt

    • Detect Xworm Payload

    • StormKitty

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

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Stops running service(s)

    • Drops startup file

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks