MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b2dea94c52fb92ef625eab6cd0e5e0bb6cd036d7f678a3f348f02535eddd2a7. 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


NetWire


Vendor detections: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b2dea94c52fb92ef625eab6cd0e5e0bb6cd036d7f678a3f348f02535eddd2a7
SHA3-384 hash: cf85ce5ea994d123df4b0fb29796460d64c44ac5e21afe404d56cbfb959b8803112b31e24f3a2df757e550fb9f488cab
SHA1 hash: c6dde6d53151ebf7e626d49f3fcc796534107af6
MD5 hash: 803d158b68e1c1d3cc2a6df10d3cb931
humanhash: angel-bluebird-red-burger
File name:Request for Quote_PDF.vbs
Download: download sample
Signature NetWire
Create hunting rule
File size:138'606 bytes
First seen:2020-11-17 23:39:26 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:SXmaJpFgroy54zu3Lx1dIeRe6IbPHtrIs/7WGWf1b/kmKz7csrulpMzfhGnyAyUw:xdb/abulpMDhGnNyUw
TLSH E8D36C3258433DD4B722ADCCF8DC3F540C693BCBD75692DBBAD884849272626DAE11B4
Reporter Racco42
Tags:NetWire vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
360
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
DNS request
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating a special LNK file
Result
Gathering data
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/539979
Signature
Antivirus detection for dropped file
Benign windows process drops PE files
Connects to a pastebin service (likely for C&C)
Contains functionality to steal Chrome passwords or cookies
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Drops VBS files to the startup folder
Hides threads from debuggers
Machine Learning detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Potential malicious VBS/JS script found (suspicious encoded strings)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: NetWire
Sigma detected: Register Wscript In Run Key
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses known network protocols on non-standard ports
VBScript performs obfuscated calls to suspicious functions
Windows Shell Script Host drops VBS files
Wscript called in batch mode (surpress errors)
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 319087 Sample: Request for Quote_PDF.vbs Startdate: 18/11/2020 Architecture: WINDOWS Score: 100 76 hastebin.com 2->76 92 Sigma detected: Register Wscript In Run Key 2->92 94 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->94 96 Antivirus detection for dropped file 2->96 98 11 other signatures 2->98 9 wscript.exe 3 3 2->9         started        13 file.exe 2->13         started        16 file.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 74 C:\Users\user\AppData\Local\Temp\file.exe, PE32 9->74 dropped 118 Benign windows process drops PE files 9->118 120 VBScript performs obfuscated calls to suspicious functions 9->120 122 Potential malicious VBS script found (has network functionality) 9->122 126 3 other signatures 9->126 20 file.exe 18 3 9->20         started        25 wscript.exe 3 3 9->25         started        80 hastebin.com 13->80 124 Hides threads from debuggers 13->124 27 timeout.exe 13->27         started        29 aspnet_wp.exe 13->29         started        31 WerFault.exe 13->31         started        82 hastebin.com 16->82 33 timeout.exe 16->33         started        35 aspnet_wp.exe 16->35         started        37 WerFault.exe 16->37         started        84 hastebin.com 18->84 86 hastebin.com 18->86 39 timeout.exe 18->39         started        file6 signatures7 process8 dnsIp9 78 hastebin.com 104.24.127.89, 443, 49716, 49727 CLOUDFLARENETUS United States 20->78 70 C:\Users\user\AppData\Roaming\...\file.exe, PE32 20->70 dropped 100 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->100 102 Creates an undocumented autostart registry key 20->102 104 Machine Learning detection for dropped file 20->104 112 3 other signatures 20->112 41 aspnet_wp.exe 20->41         started        44 timeout.exe 1 20->44         started        46 WerFault.exe 23 9 20->46         started        49 aspnet_wp.exe 2 20->49         started        72 C:\Users\user\name.vbs, ASCII 25->72 dropped 106 Windows Shell Script Host drops VBS files 25->106 108 Creates multiple autostart registry keys 25->108 110 Wscript called in batch mode (surpress errors) 25->110 51 wscript.exe 7 25->51         started        54 conhost.exe 27->54         started        56 conhost.exe 33->56         started        58 conhost.exe 39->58         started        file10 signatures11 process12 dnsIp13 114 Contains functionality to steal Chrome passwords or cookies 41->114 60 conhost.exe 44->60         started        62 WerFault.exe 44->62         started        64 WerFault.exe 44->64         started        66 WerFault.exe 44->66         started        88 192.168.2.1 unknown unknown 46->88 90 156.96.62.205, 1044, 1055, 49717 VDI-NETWORKUS United States 51->90 68 C:\Users\user\AppData\Roaming\...\name.vbs, ASCII 51->68 dropped 116 System process connects to network (likely due to code injection or exploit) 51->116 file14 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b2dea94c52fb92ef625eab6cd0e5e0bb6cd036d7f678a3f348f02535eddd2a7/
Threat name:
Script-VBS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-11-17 20:01:01 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmw6vfgff64s55rf5k3m2ds6bo3m2a3np5tyupzur4bfgxw52ktq._file
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet evasion persistence rat stealer
Link:
https://tria.ge/reports/201117-gwfmx2smxn/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Drops startup file
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
ServiceHost packer
Modifies WinLogon for persistence
NetWire RAT payload
Netwire
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:win_netwire_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

NetWire

Visual Basic Script (vbs) vbs 2b2dea94c52fb92ef625eab6cd0e5e0bb6cd036d7f678a3f348f02535eddd2a7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments