MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fbb41eefb0e8a99417c855038bd7c89cc3190c07e0d4b4106d8ddbcf2634774. 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 1 File information Comments

SHA256 hash: 4fbb41eefb0e8a99417c855038bd7c89cc3190c07e0d4b4106d8ddbcf2634774
SHA3-384 hash: acaec2d415dcf1b1b97eda2f1b48b4745bb5376cda6e9c3c94868364041b30f52e496fe4f10c6443793b9e6fb6b2d5cf
SHA1 hash: cb32791a07820b55ea19bc2f8fefc0d02ae9cacf
MD5 hash: da516bd5d75c0989ab8ce07d43d35c83
humanhash: rugby-neptune-steak-butter
File name:4fbb41eefb0e8a99417c855038bd7c89cc3190c07e0d4b4106d8ddbcf2634774
Download: download sample
Signature NetWire
File size:27'783'168 bytes
First seen:2021-01-31 12:59:38 UTC
Last seen:2021-01-31 14:28:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5becb8457cb69c375aa61c584223f1f7 (3 x NetWire)
ssdeep 6144:PeECaFOEnHRMH4bTkgyzIbESU/i55JXVtfym6MpI0WfuqbWLevKBri9WOj+YUPkS:POmHRMHaMO55J3fCMptARmujecGnCEL
Threatray 90 similar samples on MalwareBazaar
TLSH 2657F031FDD2C8B2F2232E300670637596B5FB336F31979B97602A9DDB65144893A362
Reporter adulau
Tags:NetWire

Intelligence


File Origin
# of uploads :
2
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4fbb41eefb0e8a99417c855038bd7c89cc3190c07e0d4b4106d8ddbcf2634774
Verdict:
Suspicious activity
Analysis date:
2021-01-31 13:01:02 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Result
Threat name:
Netwire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to steal Internet Explorer form passwords
Hijacks the control flow in another process
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file has nameless sections
Writes to foreign memory regions
Yara detected Netwire RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Kryptik
Status:
Malicious
First seen:
2019-03-22 04:21:36 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
ransomware upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Executes dropped EXE
UPX packed file
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:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

File information


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

Comments