MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17a31e5e4c46ce8f7c0e242a5e90c8d6cef5db6d77b696b93af45b1b22a87d81. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17a31e5e4c46ce8f7c0e242a5e90c8d6cef5db6d77b696b93af45b1b22a87d81
SHA3-384 hash: c4277a715832c6354346bf9023082020b7cf7a271599c39e2dc31d99e188242f62f7bd0215595aa160fddd224eb55afd
SHA1 hash: 5e1af59384fcaa30eb0185034fe21209cecb05df
MD5 hash: 984ebe40c1ff8949b2e986bacd2b899a
humanhash: salami-paris-india-wisconsin
File name:984ebe40c1ff8949b2e986bacd2b899a.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:943'616 bytes
First seen:2020-12-13 17:01:01 UTC
Last seen:2020-12-13 18:33:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:tmuR6eZIDMwF45fuF+/Ev1lWCFO3nED7aF+NZxtqx9k:tZc1D7C/cZB7aFcxtq
TLSH 161502D97300B7DFC84B9A7727885D64B622E1B6433B86AF9417C55D8E4D887CB023B2
Reporter abuse_ch
Tags:exe NetWire nVpn RAT


Avatar
abuse_ch
NetWire RAT C2:
rnnfibi.hopto.org:49012 (79.134.225.30)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
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.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
611
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://stdyworkfinesanotherrainbowlomoyentstgot.ydns.eu/worksdoc/svchost.exe
Verdict:
Malicious activity
Analysis date:
2020-12-13 11:21:23 UTC
Tags:
opendir loader
Link:
https://app.any.run/tasks/11ec2481-1222-49c1-8235-95d52e3a3461

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Artemis984EBE40C1FF.31365.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/561718
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Netwire RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/17a31e5e4c46ce8f7c0e242a5e90c8d6cef5db6d77b696b93af45b1b22a87d81/
Threat name:
Win32.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2020-12-13 13:27:01 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c6rr4xsmi3hi67aoeqvf5egi23hplw3no63jnoj26rnrwivipwaq._file
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet evasion persistence rat stealer
Link:
https://tria.ge/reports/201213-6nmpdq14pe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Modifies Installed Components in the registry
Looks for VirtualBox Guest Additions in registry
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
17a31e5e4c46ce8f7c0e242a5e90c8d6cef5db6d77b696b93af45b1b22a87d81
MD5 hash:
984ebe40c1ff8949b2e986bacd2b899a
SHA1 hash:
5e1af59384fcaa30eb0185034fe21209cecb05df
Link:
https://www.unpac.me/results/b37ba5a8-46e3-4b35-a875-d08180687674/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/b37ba5a8-46e3-4b35-a875-d08180687674/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/17a31e5e4c46ce8f7c0e242a5e90c8d6cef5db6d77b696b93af45b1b22a87d81

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
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
Rule name:win_netwire_g1
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Web download

NetWire

Executable exe 17a31e5e4c46ce8f7c0e242a5e90c8d6cef5db6d77b696b93af45b1b22a87d81

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/909842/
  
Delivery method
Distributed via web download

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