MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90bb157f9c5241f567eb56be38e3ba9f51a0ec5a8da3c77fdb1bed1f2095c39b. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 90bb157f9c5241f567eb56be38e3ba9f51a0ec5a8da3c77fdb1bed1f2095c39b
SHA3-384 hash: b798702c1b5bce56738b8ea72d9b4ac029784259066457dcfa4546f31cd9d7ea628d9f30682fb945fe83dacb4ccf9f82
SHA1 hash: 85cc76ba184adde81799ef4174d2412aba7c8dfd
MD5 hash: 5c145bcd4ec07ab79558d72affbed677
humanhash: eight-nevada-speaker-three
File name:Proof of Payment.exe
Download: download sample
Signature NetWire
File size:1'104'621 bytes
First seen:2020-08-28 06:32:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:JAOcZypZR/eoUGEsBXPn1hMYsfpOYxg539FQZMaBQi2ji:jhR/eoJEGXNhM3fdxw96ZMAR
Threatray 488 similar samples on MalwareBazaar
TLSH 65351202B7D688B2D0320E3149266B21AD7C3D215F29DA2FA3E4197DEE751D19721BF3
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
Malspam distributing NetWire:

HELO: mail.genoxy.tk
Sending IP: 45.147.162.159
From: Notification@nedbank.co.za
Reply-To: No-repIy@nedbank.co.za
Subject: Payment Notification
Attachment: Proof of Payment.z (contains "Proof of Payment.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Sending a UDP request
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Adding an access-denied ACE
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Drops PE files with a suspicious file extension
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Yara detected AntiVM autoit script
Yara detected NetWire RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279014 Sample: Proof of Payment.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 88 59 Malicious sample detected (through community Yara rule) 2->59 61 Yara detected NetWire RAT 2->61 63 Yara detected AntiVM autoit script 2->63 65 3 other signatures 2->65 14 Proof of Payment.exe 29 2->14         started        17 ghjn.pif 2->17         started        process3 file4 57 C:\Users\user\AppData\Roaming\...\ghjn.pif, PE32 14->57 dropped 19 ghjn.pif 4 3 14->19         started        22 wscript.exe 1 17->22         started        process5 signatures6 67 Multi AV Scanner detection for dropped file 19->67 24 wscript.exe 1 19->24         started        26 ghjn.pif 22->26         started        process7 process8 28 ghjn.pif 24->28         started        30 wscript.exe 26->30         started        process9 32 wscript.exe 1 28->32         started        34 ghjn.pif 30->34         started        process10 36 ghjn.pif 32->36         started        38 wscript.exe 34->38         started        process11 40 wscript.exe 36->40         started        42 ghjn.pif 38->42         started        process12 44 ghjn.pif 40->44         started        47 wscript.exe 42->47         started        file13 55 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 44->55 dropped 49 wscript.exe 44->49         started        51 ghjn.pif 47->51         started        process14 process15 53 ghjn.pif 49->53         started       
Threat name:
Win32.Backdoor.NetWired
Status:
Malicious
First seen:
2020-08-28 06:34:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
rat persistence keylogger trojan stealer spyware family:nanocore botnet family:netwire
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
NanoCore
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:Malicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:MAL_unspecified_Jan18_1
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:netwire
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
Rule name:Suspicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:win_netwire_auto
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

Executable exe 90bb157f9c5241f567eb56be38e3ba9f51a0ec5a8da3c77fdb1bed1f2095c39b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments