MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6f68b61781c4503ac6dbc6b79d22d3a2f6e7995c35e85f08c0d153e056d6f0e. 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 7 File information Comments

SHA256 hash:	a6f68b61781c4503ac6dbc6b79d22d3a2f6e7995c35e85f08c0d153e056d6f0e
SHA3-384 hash:	ef402f406cd1a29cf0112eff7c025339fb38f9084949ddbe5cfd7f9305d2295d729256a25a7844ac7dcb6e3c3d51bef0
SHA1 hash:	883f3efb1f538bc9142722d4450dcde43bacc29d
MD5 hash:	e969f65aaed47276c22e8d5a85d09ca1
humanhash:	neptune-oxygen-finch-oklahoma
File name:	Proof_of _Payment.exe
Download:	download sample
Signature	NetWire Create hunting rule
File size:	914'432 bytes
First seen:	2020-10-19 07:23:30 UTC
Last seen:	2020-10-19 08:24:25 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:Z8B5yMQNt1rRpOa23BKQ1lP9CLf7G9A1GKZHNYPzodGT/P:RxrRcLsiPIfOA1GUKzodGT/
Threatray	266 similar samples on MalwareBazaar
TLSH	8515691423F80B19F47B97F1962850418BB67A9A553ED24C7DCD31EE9FB2B010A63B27
Reporter	abuse_ch
Tags:	exe geo NedBank NetWire RAT ZAF

abuse_ch

Malspam distributing NetWire:

HELO: mail.genoxyl.ga
Sending IP: 168.235.67.97
From: NedBank <Notification@nedbank.co.za>
Reply-To: Notification@nedbank.co.za
Subject: Payment Notification
Attachment: Proof_of _Payment.img (contains "Proof_of _Payment.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

185

Origin country :

n/a

Vendor Threat Intelligence

Detection:

NetWire

Link:

https://www.capesandbox.com/analysis/72779/

Detection(s):

SecuriteInfo.com.Trojan.InjectNET.14.6524.21044.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Sending a TCP request to an infection source

Enabling autorun by creating a file

Result

Threat name:

NetWire

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/494993

Signature

.NET source code contains potential unpacker

Contains functionality to steal Chrome passwords or cookies

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: NetWire

Sigma detected: Scheduled temp file as task from temp location

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM_3

Yara detected NetWire RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

netwire

Link:

https://mwdb.cert.pl/sample/a6f68b61781c4503ac6dbc6b79d22d3a2f6e7995c35e85f08c0d153e056d6f0e/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-10-19 03:50:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=u33iwylydrcqhldnxrvxturnhixw46mvynpil4embukt4blnn4ha._file

Verdict:

malicious

Label(s):

netwirerc

Result

Malware family:

netwire

Score:

10/10

Tags:

rat botnet stealer family:netwire

Link:

https://tria.ge/reports/201019-s84lg1qmf6/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

NetWire RAT payload

Netwire

Unpacked files

SH256 hash:

a6f68b61781c4503ac6dbc6b79d22d3a2f6e7995c35e85f08c0d153e056d6f0e

MD5 hash:

e969f65aaed47276c22e8d5a85d09ca1

SHA1 hash:

883f3efb1f538bc9142722d4450dcde43bacc29d

Link:

https://www.unpac.me/results/57a7c972-ab2b-4d18-8942-38ecb78f5e1a/

SH256 hash:

31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b

MD5 hash:

0aebe46040ceb011e78506d4985fe3de

SHA1 hash:

218ac1e7b14a66c604ec3042f8486bed9cd4c2c1

Link:

https://www.unpac.me/results/57a7c972-ab2b-4d18-8942-38ecb78f5e1a/

SH256 hash:

d291538230b436f8301daa527310f720ec8335c23b469673cd19c2a5a122fb77

MD5 hash:

70c0ceee60fb7d8bdfc4ac3367b1507f

SHA1 hash:

8248b135c715c93807cc676c49f6cd5022d557ab

Detections:

win_netwire_g1

win_netwire_auto

Link:

https://www.unpac.me/results/57a7c972-ab2b-4d18-8942-38ecb78f5e1a/

Parent samples :

f036a3590c0eb7c197849f42beae2a60473ec875a9e97cadc598f1010d416d23
a6f68b61781c4503ac6dbc6b79d22d3a2f6e7995c35e85f08c0d153e056d6f0e

SH256 hash:

c95f6f9d655c28a620fc6595e4485286913bbf8bff0e38f17378889c8006ac49

MD5 hash:

34a8cb80bbbd64ed0e6710dc1c7919ca

SHA1 hash:

972600314658f039df285e3f2d58e6dae1cf13b6

Link:

https://www.unpac.me/results/57a7c972-ab2b-4d18-8942-38ecb78f5e1a/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/a6f68b61781c4503ac6dbc6b79d22d3a2f6e7995c35e85f08c0d153e056d6f0e

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 Create hunting rule
Author:	James_inthe_box
Description:	Chrome in files like avemaria

Rule name:	IPPort_combo_mem Create hunting rule
Author:	James_inthe_box
Description:	IP and port combo

Rule name:	Malicious_BAT_Strings Create hunting rule
Author:	Florian Roth
Description:	Detects a string also used in Netwire RAT auxilliary
Reference:	https://pastebin.com/8qaiyPxs

Rule name:	MAL_unspecified_Jan18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects unspecified malware sample
Reference:	Internal Research

Rule name:	netwire Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect netwire in memory
Reference:	internal research

Rule name:	Suspicious_BAT_Strings Create hunting rule
Author:	Florian Roth
Description:	Detects a string also used in Netwire RAT auxilliary
Reference:	https://pastebin.com/8qaiyPxs

Rule name:	win_netwire_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator