MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25e771e8b6b57f62a9605ee7b12f43cd3c0298e129fb4c9d4921a06c326f82bc. 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: 3


Intelligence 3 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25e771e8b6b57f62a9605ee7b12f43cd3c0298e129fb4c9d4921a06c326f82bc
SHA3-384 hash: afb3a33fe06bd475427c1aba4aaf8f0c0e32422ea9b07b40258da2f9f31e733e43974e419d18d5ed8021423e34d542f6
SHA1 hash: a3816c37d0fbe26a87d1cc7beff91ce5816039e7
MD5 hash: 64e0a3f6f60d5eb459bd11146421d675
humanhash: finch-hydrogen-fillet-sink
File name:İşlem makbuzu.xls
Download: download sample
Signature NetWire
Create hunting rule
File size:1'234'432 bytes
First seen:2020-06-25 09:16:16 UTC
Last seen:2020-07-14 14:06:03 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:WwRygex95ZLH+kPkbB764q9o/wVNNbVHWF+3aI:WxgeNrsxvq9EwZFWF+F
TLSH 74455941F605103BE8AD31313906486716273AA7E441EFC34ED761FE6B67B70AD39EA8
Reporter abuse_ch
Tags:geo NetWire nVpn RAT TUR xls


Avatar
abuse_ch
Malspam distributing NetWire:

HELO: server.cfemail.hu
Sending IP: 87.229.24.250
From: noreply@ileti.ziraatbank.com.tr
Subject: 3400, EUR Swift Bildirimi
Attachment: İşlem makbuzu.xls

NetWire payload URL:
http://office-service-tech.info/pld.txt
http://office-service-tech.info/rnp.txt
http://ahjuric.si/Code.txt

NetWire RAT C2:
crimea-kremlin.duckdns.org:3396 (79.134.225.43)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.63'

% Abuse contact for '79.134.225.0 - 79.134.225.63' is 'abuse@anmaxx.net'

inetnum: 79.134.225.0 - 79.134.225.63
netname: BASEL-HOSTING-225-0
country: CH
admin-c: AM38880-RIPE
tech-c: AM38880-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
created: 2016-04-17T00:42:52Z
last-modified: 2016-04-18T06:23:19Z
source: RIPE
remarks: abuse-c AIS166-RIPE
org: ORG-AGIS12-RIPE

Intelligence

File Origin
# of uploads :
4
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.POWERSHELL.EXE.200327.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
DNS request
Sending an HTTP GET request
Launching a process
Launching a process by exploiting the app vulnerability
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25e771e8b6b57f62a9605ee7b12f43cd3c0298e129fb4c9d4921a06c326f82bc/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=extxd2fwwv7wfklal3t3cl2dzu6afghbfh5uzhkjegqgymtpqk6a._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/200625-h2qgqpkaen/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Blacklisted process makes network request
Process spawned unexpected child process
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: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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
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

File information

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

Malspam

NetWire

Excel file xls 25e771e8b6b57f62a9605ee7b12f43cd3c0298e129fb4c9d4921a06c326f82bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments