General

  • Target

    Guestlist.zip

  • Size

    171KB

  • Sample

    240703-yr1essxcnd

  • MD5

    7568a078b734da1f410235adf32cdb69

  • SHA1

    3a462d95d7c217d54799b7ece6528991c3625d04

  • SHA256

    09ebaac81c2816aae61095e019924152b15c1504b0f2f6b512c4230b72268bf8

  • SHA512

    7cd8db1d53a6e6b572c9f68db59650d9e46553ce11fead9d7e0c150b7412220c0e7c5160cc8f8bc6782bac36a142f153ecbf97ec178e343e21532920d70d132d

  • SSDEEP

    3072:m1KFUvq5NYyn87J2lXX+QQ7CGxihjrn5boZnHz90hQvF8URBHO8Ki8up:tUyHJn8l2leuKofnMHlJRBHO8K5up

Malware Config

Extracted

Family

xworm

C2

142.202.242.177:7000

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7086125226:AAHBCPyJPzMk3klDDrNR7WI_pR8VgcrX-rg/sendMessage?chat_id=5009918391

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7086125226:AAHBCPyJPzMk3klDDrNR7WI_pR8VgcrX-rg/sendMessage?chat_id=5009918391

Targets

    • Target

      wild2.bat

    • Size

      101KB

    • MD5

      1b0db010a5478b1bd34e62d563490b57

    • SHA1

      8d138974f30d83f9f1dfd7ffb89c830b290dc647

    • SHA256

      6e10dd12715347b79ddc3aaaa30be9b00548cf54f7b515e66e78f995b6412162

    • SHA512

      a081a9ae668b2f9389d8b5648a9bc218cb6e8002d76955307104324b66fc22cfda501a8c6e69b3f87fe582fee8ab6feb8bac365412852708c91cd6673621db8f

    • SSDEEP

      3072:8fmmAtb3zUdrhco3sgrDIt+YaNQsEerlw5i:Cmm6DUdqo8grMt+YKPt

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Target

      wild2.vbs

    • Size

      136KB

    • MD5

      2fc8fa386eac2b756ca56d6c5ea5972a

    • SHA1

      5e8701a6f9ff44f141f14e43a6b612b82b23aeb1

    • SHA256

      e28bdb40c41bbadef5a3413c02773f291db42e0523c7aa6d4f93a03b3aa7959a

    • SHA512

      531876ffe3a10729b60dbb45161bb6e73e14be00d174aedb0afcc4689c57e9f8b5cc147eefb25f002f62540c0748c0fb183bea3d90f525a7f688bf8ef3c9894a

    • SSDEEP

      3072:UUtmc9S9K7G4yC0oab3a1adGNRLfE28rHRq8QDEQ0SkhbPxFIWW:UUwT4ygabaEGNRHkHDQDD0NRW

    • Detect Xworm Payload

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • StormKitty

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

    • StormKitty payload

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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 Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks