MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efbb94c8acce110b798713daabf4197e4d526a916501772b771faf1346d22fb0. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: efbb94c8acce110b798713daabf4197e4d526a916501772b771faf1346d22fb0
SHA3-384 hash: c2f0baecd8169f518400b6e8e043804fb722810eb71cdc37215a177f8516a06cc56c20a1580ef38303372694d0011d96
SHA1 hash: d9973196b8e353df0392bbaf754344fe521a1be3
MD5 hash: 56564e2f274ac21803580be8a236518d
humanhash: kentucky-avocado-tennis-three
File name:SecuriteInfo.com.Generic.mg.56564e2f274ac218.4047
Download: download sample
Signature NetWire
File size:1'534'400 bytes
First seen:2020-10-30 22:42:40 UTC
Last seen:2020-11-06 00:18:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:i7isXj1SxX0ikVIarP9g/+Y8WrsupWYYg++JDAsZdv3tCgMGNVXQIAO3dKfzN/JA:oT10aVIUP9w+Y8WvpWYYg+8thLTAcaB+
Threatray 475 similar samples on MalwareBazaar
TLSH 7065D03E3BCFF6B0EB29D9B47C05914C0001F6C11BBABB0EDBA03D697995C957486A85
Reporter SecuriteInfoCom
Tags:NetWire

Intelligence


File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NetWire
Yara detected NetWire RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 307792 Sample: SecuriteInfo.com.Generic.mg... Startdate: 30/10/2020 Architecture: WINDOWS Score: 100 64 Antivirus detection for dropped file 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 3 other signatures 2->70 7 SecuriteInfo.com.Generic.mg.56564e2f274ac218.exe 12 2->7         started        11 update.exe 6 2->11         started        process3 file4 52 C:\Users\user\AppData\Roaming\tmp.exe, PE32 7->52 dropped 54 C:\Users\user\AppData\...\update.exe.bat, ASCII 7->54 dropped 56 SecuriteInfo.com.G...e2f274ac218.exe.log, ASCII 7->56 dropped 72 Injects a PE file into a foreign processes 7->72 13 tmp.exe 2 7->13         started        17 cmd.exe 3 7->17         started        20 cmd.exe 1 7->20         started        28 3 other processes 7->28 58 C:\Users\user\AppData\...\update.exe.lnk, MS 11->58 dropped 60 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 11->60 dropped 74 Antivirus detection for dropped file 11->74 76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 22 cmd.exe 1 11->22         started        24 cmd.exe 1 11->24         started        26 cmd.exe 1 11->26         started        30 2 other processes 11->30 signatures5 process6 dnsIp7 62 kingshakes.linkpc.net 79.134.225.52, 2017, 49733 FINK-TELECOM-SERVICESCH Switzerland 13->62 80 Antivirus detection for dropped file 13->80 82 Contains functionality to log keystrokes 13->82 84 Machine Learning detection for dropped file 13->84 48 C:\Users\user\AppData\Roaming\...\update.exe, PE32 17->48 dropped 32 conhost.exe 17->32         started        34 conhost.exe 20->34         started        36 timeout.exe 1 20->36         started        50 C:\Users\user\...\update.exe:Zone.Identifier, ASCII 22->50 dropped 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 28->46         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2020-10-30 22:01:28 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet rat stealer
Behaviour
Delays execution with timeout.exe
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Loads dropped DLL
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
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.

Web download

NetWire

Executable exe efbb94c8acce110b798713daabf4197e4d526a916501772b771faf1346d22fb0

(this sample)

  
Delivery method
Distributed via web download

Comments