General

  • Target

    39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe

  • Size

    501KB

  • Sample

    240831-bn4aysxfmm

  • MD5

    6b34408cb796d4e16a6caa577ebce6b9

  • SHA1

    f011ab355ac5a00204c033f3ac73848f6ce4c0ee

  • SHA256

    39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a

  • SHA512

    344defa68966df547a0504ee221a2037f737d469e0c496009209f9334589f0f73ac69226bb74ea60eb116332ccaefa0d5c1f8972a5b9d34628d9bfcc4147ea84

  • SSDEEP

    12288:E2iNErX80k+laBnUISbE0u9QgYZoXONvIGc2:E1ij8v+MKjbE0ul+Nx

Malware Config

Extracted

Family

xworm

Version

5.0

C2

91.92.120.13:7099

Mutex

ZCamGCh7lBqmpyCR

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

redline

Botnet

FOZZ

C2

91.92.120.13:1912

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe

    • Size

      501KB

    • MD5

      6b34408cb796d4e16a6caa577ebce6b9

    • SHA1

      f011ab355ac5a00204c033f3ac73848f6ce4c0ee

    • SHA256

      39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a

    • SHA512

      344defa68966df547a0504ee221a2037f737d469e0c496009209f9334589f0f73ac69226bb74ea60eb116332ccaefa0d5c1f8972a5b9d34628d9bfcc4147ea84

    • SSDEEP

      12288:E2iNErX80k+laBnUISbE0u9QgYZoXONvIGc2:E1ij8v+MKjbE0ul+Nx

    • Detect Xworm Payload

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • StormKitty

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

    • StormKitty payload

    • VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks