MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28c020b8cb635d2578b6a0287f9fb077d9156c5d1ae4c5edfff2b0f2a9d7af4f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



XWorm


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 28c020b8cb635d2578b6a0287f9fb077d9156c5d1ae4c5edfff2b0f2a9d7af4f
SHA3-384 hash: 37a5bdd1ea787578d77b15aadb49d0290b569bb86d817b050895e27ffe3eca0c5273c857e4d8e9645e1e257f26cd7722
SHA1 hash: ea643e625a401b7f7dd3d93dcd3eb414e71f5866
MD5 hash: 1f0f7a4d9adacc6d3b6fb93bfe05f28e
humanhash: nuts-idaho-comet-speaker
File name:screen_shots.vbs
Download: download sample
Signature XWorm
File size:2'592 bytes
First seen:2024-02-12 19:06:00 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:n08hPbN+WF4X1Jjx37+cGRosolE3Ff8fFN:9hDNGXrp+cGosolEVf8fFN
TLSH T18C514F03A7FA1708F3F36A18AA7861664BB7BD55B53DC35C41A8084E5AF29008865FB3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter Anonymous
Tags:vbs xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemucod virus
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell download and load assembly
Sigma detected: Powershell download payload from hardcoded c2 list
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391065 Sample: screen_shots.vbs Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 34 xwv5group7001.duckdns.org 2->34 36 paste.ee 2->36 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 60 11 other signatures 2->60 10 wscript.exe 1 2->10         started        14 wscript.exe 2->14         started        16 wscript.exe 2->16         started        signatures3 56 Uses dynamic DNS services 34->56 58 Connects to a pastebin service (likely for C&C) 36->58 process4 dnsIp5 40 paste.ee 172.67.187.200, 443, 49704, 49705 CLOUDFLARENETUS United States 10->40 70 System process connects to network (likely due to code injection or exploit) 10->70 72 VBScript performs obfuscated calls to suspicious functions 10->72 74 Suspicious powershell command line found 10->74 78 4 other signatures 10->78 18 powershell.exe 7 10->18         started        76 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->76 signatures6 process7 signatures8 44 Suspicious powershell command line found 18->44 46 Suspicious execution chain found 18->46 48 Found suspicious powershell code related to unpacking or dynamic code loading 18->48 21 powershell.exe 15 17 18->21         started        25 conhost.exe 18->25         started        process9 dnsIp10 38 45.74.19.84, 49706, 80 HVC-ASUS United States 21->38 62 Suspicious powershell command line found 21->62 64 Creates autostart registry keys with suspicious values (likely registry only malware) 21->64 66 Writes to foreign memory regions 21->66 68 Injects a PE file into a foreign processes 21->68 27 RegAsm.exe 3 21->27         started        30 powershell.exe 10 21->30         started        signatures11 process12 dnsIp13 42 xwv5group7001.duckdns.org 163.172.59.233, 49716, 7001 OnlineSASFR United Kingdom 27->42 32 conhost.exe 30->32         started        process14
Threat name:
Script-WScript.Trojan.DwnWs
Status:
Malicious
First seen:
2024-02-12 18:08:43 UTC
File Type:
Text (VBS)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
xwv5group7001.duckdns.org:7001
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments