MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7146b96bfe2b8d7f1b3b45e45c675548fc3be8c377deaec45b0f970b327925a8. 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 6 File information Comments

SHA256 hash: 7146b96bfe2b8d7f1b3b45e45c675548fc3be8c377deaec45b0f970b327925a8
SHA3-384 hash: e39eeeefad4b4120a10c67066b21d464221713036b2cf24e481732909e56303cba30668c4bc414fe9c79c3f4797035d7
SHA1 hash: ff3ce7e7641a82591420be3a099bc281f39c8fba
MD5 hash: aded39aef2cd540d9e530482f79dff9a
humanhash: seven-oregon-dakota-autumn
File name:Proof of Payment.exe
Download: download sample
Signature NetWire
File size:830'464 bytes
First seen:2020-10-23 08:54:55 UTC
Last seen:2020-10-23 10:10:01 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 12288:8kUticZC0dIoV2Ne3fWPsmTJIopj/DyNnEYT+Z4viOBPNIl7GF:8kUkE2QPWPjppj+NnEYTW4viAk7GF
Threatray 53 similar samples on MalwareBazaar
TLSH DB05BE0172A5DF01D17E57F0E42859F14BF92C6AE92AE28B4DA27CCE3572F405E82B47
Reporter abuse_ch
Tags:exe geo NetWire nVpn RAT ZAF


Avatar
abuse_ch
Malspam distributing NetWire:

HELO: mail.kingsley.co.za
Sending IP: 23.111.177.27
From: FNB <Paymentemail@fnb.co.za>
Reply-To: Noreply@fnb.co.za
Subject: Payment Notification from AM SYSTEMS INTEGRATIONS_8GB5SKLG
Attachment: Payment notification.tar (contains "Proof of Payment.exe")

NetWire RAT C2:
185.140.53.183:3382

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-BE
country: BE
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-10-02T20:59:33Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
Netwire
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303087 Sample: Proof of Payment.exe Startdate: 23/10/2020 Architecture: WINDOWS Score: 88 26 Malicious sample detected (through community Yara rule) 2->26 28 Sigma detected: Scheduled temp file as task from temp location 2->28 30 Yara detected AntiVM_3 2->30 32 4 other signatures 2->32 7 Proof of Payment.exe 4 2->7         started        process3 file4 20 C:\Users\user\AppData\Local\...\tmpBF6B.tmp, XML 7->20 dropped 22 C:\Users\user\AppData\...\RXVTWTjfcyN.exe, PE32 7->22 dropped 34 Injects a PE file into a foreign processes 7->34 11 Proof of Payment.exe 7->11         started        14 schtasks.exe 1 7->14         started        16 Proof of Payment.exe 7->16         started        signatures5 process6 dnsIp7 24 185.140.53.183, 3382, 3386, 49707 DAVID_CRAIGGG Sweden 11->24 18 conhost.exe 14->18         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-23 08:27:01 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
rat botnet stealer family:netwire
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:
7146b96bfe2b8d7f1b3b45e45c675548fc3be8c377deaec45b0f970b327925a8
MD5 hash:
aded39aef2cd540d9e530482f79dff9a
SHA1 hash:
ff3ce7e7641a82591420be3a099bc281f39c8fba
SH256 hash:
3134fa500407ad9ae8665dc5594d8580245e16233efc2df108ee02cba8f99023
MD5 hash:
fdb990381101e497b38b1167b1adf7f1
SHA1 hash:
fed0005446790704e5ac1a79d5cbde6952e38c14
Detections:
win_netwire_g1 win_netwire_auto
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:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
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 7146b96bfe2b8d7f1b3b45e45c675548fc3be8c377deaec45b0f970b327925a8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments