MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78a79e6a94f3a7aef005a06c9f9e804ca6089a9ce63f08d91ecd91227939b739. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 78a79e6a94f3a7aef005a06c9f9e804ca6089a9ce63f08d91ecd91227939b739
SHA3-384 hash: b9c983c4919dc27558c568cc039d25f03fbcd1ace0ac8b999197979c1f1f41a8f0fabf25b1c2254ef96647a920a8747f
SHA1 hash: 466cb86c16e509010c345f189f843e8093ceac31
MD5 hash: fb46784bbd4e32cac1e3e3ce506a7531
humanhash: finch-white-nuts-pennsylvania
File name:SEALON doc_03022020.doc
Download: download sample
Signature NetWire
File size:321'160 bytes
First seen:2021-02-03 07:17:57 UTC
Last seen:2021-02-03 08:29:32 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:WQ6LYrUVjkXdCfWd5ppJI8L4s5kSFxNPnfokdH9jGIWmiKduNNZJRfFsM:WyBCfWdtJf3/dYkdH9qKd8DsM
TLSH 4E64BEF871047DE6766F426BDE96ADDD13B6266399CB94CC80A47BC309A3375FE02804
Reporter abuse_ch
Tags:doc NetWire


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: server30.vizia.com.ua
Sending IP: 88.218.28.22
From: Sales<lir@stelkom.si>
Subject: RFQ; Kindly provide us with your best offer
Attachment: SEALON doc_03022020.doc

Intelligence


File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SEALON doc_03022020.doc
Verdict:
Malicious activity
Analysis date:
2021-02-03 07:22:53 UTC
Tags:
trojan exploit CVE-2017-11882 loader rat netwire

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Running batch commands
Creating a process with a hidden window
Adding an access-denied ACE
Sending a custom TCP request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Sending an HTTP GET request to an infection source
Result
Verdict:
MALICIOUS
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to hide a thread from the debugger
Contains functionality to steal Chrome passwords or cookies
Creates autostart registry keys with suspicious values (likely registry only malware)
Drops PE files with a suspicious file extension
Hides threads from debuggers
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: NetWire
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected NetWire RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 347777 Sample: SEALON doc_03022020.doc Startdate: 03/02/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 8 EQNEDT32.EXE 11 2->8         started        13 WINWORD.EXE 379 22 2->13         started        15 EQNEDT32.EXE 48 2->15         started        process3 dnsIp4 37 tunedinblog.com 150.95.81.183, 49165, 80 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 8->37 29 C:\Users\user\AppData\Roaming\izu58419.scr, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\izux[1].scr, PE32 8->31 dropped 57 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->57 17 izu58419.scr 12 1 8->17         started        file5 signatures6 process7 dnsIp8 33 193.239.147.103, 49166, 80 DEDIPATH-LLCUS Brunei Darussalam 17->33 47 Contains functionality to steal Chrome passwords or cookies 17->47 49 Hides threads from debuggers 17->49 51 Injects a PE file into a foreign processes 17->51 53 Contains functionality to hide a thread from the debugger 17->53 21 izu58419.scr 3 17->21         started        25 cmd.exe 17->25         started        signatures9 process10 dnsIp11 35 193.56.28.30, 3360, 49167 SPRINT-SDCPL United Kingdom 21->35 55 Creates autostart registry keys with suspicious values (likely registry only malware) 21->55 27 timeout.exe 25->27         started        signatures12 process13
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-02-03 07:18:09 UTC
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet persistence ransomware rat stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
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:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
Rule name:INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information


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

Malspam

NetWire

Word file doc 78a79e6a94f3a7aef005a06c9f9e804ca6089a9ce63f08d91ecd91227939b739

(this sample)

  
Delivery method
Distributed via e-mail attachment

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