MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fcb464892635ab8d0a47ae0da2d4249771ddf7aa1e559aa5c9011fbf383440c. 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: 9fcb464892635ab8d0a47ae0da2d4249771ddf7aa1e559aa5c9011fbf383440c
SHA3-384 hash: 6a7f410c997b61ab70dc289ee86dbd343cb7f08ed771e3fc854ec2963d8b8310b9f8cb86e9f4907044c0f7dadcb599af
SHA1 hash: 7ee4aaed7beb0e1f19849468607734d0c2c50ac5
MD5 hash: a6c126a7ae69e9444c9a22f834c3d728
humanhash: floor-batman-leopard-california
File name:MT103_SWFT012621ONOMN.doc
Download: download sample
Signature NetWire
File size:318'547 bytes
First seen:2021-01-27 05:49:06 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:p6LYrUVjkXdCfWd5ppJI8L4s5kSFxNPnfokdH9jGIWmiKduNNZJRfFsP:tBCfWdtJf3/dYkdH9qKd8DsP
TLSH 8E64AEF875047DE6766F026BDE96ADDD13B6266399CB94CC80A87BC305A3375FE02804
Reporter abuse_ch
Tags:doc NetWire


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: smtp-spb-02.obit.ru
Sending IP: 85.114.2.184
From: Abby Rajab <contacto@hernanallende.cl>
Subject: REMITANCE COPY FOR $15,397
Attachment: MT103_SWFT012621ONOMN.doc

Intelligence


File Origin
# of uploads :
1
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT103_SWFT012621ONOMN.doc
Verdict:
Malicious activity
Analysis date:
2021-01-27 05:52:30 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
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 steal Chrome passwords or cookies
Creates autostart registry keys with suspicious values (likely registry only malware)
Drops PE files with a suspicious file extension
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: 344797 Sample: MT103_SWFT012621ONOMN.doc Startdate: 27/01/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 8 other signatures 2->46 7 EQNEDT32.EXE 11 2->7         started        12 izux862721.scr 2->12         started        14 izux862721.scr 2->14         started        16 WINWORD.EXE 291 21 2->16         started        process3 dnsIp4 36 tunedinblog.com 150.95.81.183, 49165, 80 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 7->36 30 C:\Users\user\AppData\...\izux862721.scr, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\...\izux[1].scr, PE32 7->32 dropped 52 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->52 18 izux862721.scr 12 7->18         started        54 Injects a PE file into a foreign processes 12->54 22 izux862721.scr 12->22         started        24 izux862721.scr 14->24         started        file5 signatures6 process7 dnsIp8 34 193.239.147.103, 49166, 49168, 49169 DEDIPATH-LLCUS Brunei Darussalam 18->34 48 Contains functionality to steal Chrome passwords or cookies 18->48 50 Injects a PE file into a foreign processes 18->50 26 izux862721.scr 3 18->26         started        signatures9 process10 dnsIp11 38 193.56.28.30, 3360, 49167, 49170 SPRINT-SDCPL United Kingdom 26->38 56 Creates autostart registry keys with suspicious values (likely registry only malware) 26->56 signatures12
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-01-27 05:50:06 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet persistence ransomware rat stealer
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Enumerates physical storage devices
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 9fcb464892635ab8d0a47ae0da2d4249771ddf7aa1e559aa5c9011fbf383440c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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