MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a5035fd03311d20137b4111bee190142fa9c653ed60e57be2802665fe8bdb24. 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 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a5035fd03311d20137b4111bee190142fa9c653ed60e57be2802665fe8bdb24
SHA3-384 hash: 2b01b2bffd56c18df0625a64cd193de1e7746d4d9e606a6629803bd5dc162f6372d1a9e35eba38d10d6d609367ba5cfb
SHA1 hash: a4ab57fb8374cf01e1df6eb34c6e8d2e765fe348
MD5 hash: 9d4d1c7da94d5e84bca83cc2f72bb179
humanhash: butter-twenty-ack-papa
File name:Attachment.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:750'080 bytes
First seen:2021-09-02 17:06:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4469230dadf10434edb28a90c2a5b8fd (3 x RemcosRAT, 2 x NetWire)
ssdeep 12288:wyL+XIUEkt8A+CSspygap6vXD85pzM4ecXgiu8IXY:jS4Tkt7gsHamDqpzMlcQiHQ
Threatray 771 similar samples on MalwareBazaar
TLSH T151F44BA6A781897BD47613BEDC4FD0D6A42CBD903CA8DC091BB41D4B8E7039D341E5AB
dhash icon 0f4cceadcc16694d (8 x RemcosRAT, 5 x NetWire, 5 x DBatLoader)
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
185.157.161.92:6655

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
185.157.161.92:6655 https://threatfox.abuse.ch/ioc/213567/

Intelligence

File Origin
# of uploads :
1
# of downloads :
966
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Attachment.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-02 17:17:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2f494b98-0d35-45e5-b258-643bf171ea03

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/184860/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.28810.48.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Malware family:
NetWire RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/35f87b35-9271-4a52-be54-63b0cf9265fc
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844210
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Internet Explorer form passwords
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 476641 Sample: Attachment.exe Startdate: 02/09/2021 Architecture: WINDOWS Score: 100 71 Multi AV Scanner detection for domain / URL 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 3 other signatures 2->77 8 Attachment.exe 1 22 2->8         started        13 Enbfwlr.exe 15 2->13         started        15 Enbfwlr.exe 15 2->15         started        process3 dnsIp4 57 onedrive.live.com 8->57 59 dm-files.fe.1drv.com 8->59 61 cvkmoa.dm.files.1drv.com 8->61 41 C:\Users\Public\Libraries\...nbfwlr.exe, PE32 8->41 dropped 85 Writes to foreign memory regions 8->85 87 Allocates memory in foreign processes 8->87 89 Creates a thread in another existing process (thread injection) 8->89 17 mshta.exe 2 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        63 onedrive.live.com 13->63 67 2 other IPs or domains 13->67 91 Multi AV Scanner detection for dropped file 13->91 93 Injects a PE file into a foreign processes 13->93 25 logagent.exe 13->25         started        65 onedrive.live.com 15->65 69 2 other IPs or domains 15->69 27 mobsync.exe 15->27         started        file5 signatures6 process7 dnsIp8 43 sinzu2.ddns.net 185.157.161.92, 49729, 49732, 49734 OBE-EUROPEObenetworkEuropeSE Sweden 17->43 45 sinzu7.ddns.net 17->45 53 6 other IPs or domains 17->53 79 Contains functionality to log keystrokes 17->79 81 Contains functionality to steal Internet Explorer form passwords 17->81 83 Contains functionality to steal Chrome passwords or cookies 17->83 29 reg.exe 1 21->29         started        31 conhost.exe 21->31         started        33 cmd.exe 1 23->33         started        35 conhost.exe 23->35         started        47 sinzu7.ddns.net 25->47 49 sinzu6.ddns.net 25->49 55 4 other IPs or domains 25->55 51 sinzu1.ddns.net 27->51 signatures9 process10 process11 37 conhost.exe 29->37         started        39 conhost.exe 33->39         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a5035fd03311d20137b4111bee190142fa9c653ed60e57be2802665fe8bdb24/
Threat name:
Win32.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2021-09-02 17:07:04 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjidl7idgeosae33iei35ymqcqx2trst5vqok67cqatgl7ul3msa._file
Verdict:
malicious
Similar samples:
5d888bc6d0a7f5da0c94a55113d93a3f8b894472c4d42af88c7cf7cb885d95ad
NetWire
5f473045fe133fcce4d86a6037ce3f16db7c63514b6fb5e213d01a611391bc16
NetWire
7d521241af50289decdd245380a3f26e5abd47d50f8e318d2758bb2a990da440
NetWire
7f3f82532b326a3369f9c15b84620d40b835178cc46fab2dec9c5f2d2220099c
NetWire
98f868900b27ba82ac18f919dc551ea15dc310813eb1538ebf2d0ab3afaa8328
NetWire
a2f8c191b7fb47cf9266a986aa47e6897d6615889b76a0050450fb68afc279f6
NetWire
f555b62bf0009296fac351876b799bce9c56ff50412639a7c465f5e542f5fef3
NetWire
f6b226170f5bd1be5091bdaf491e4c76575879be7545e83b6ba65df90385bec0
NetWire
+ 761 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet persistence rat stealer
Link:
https://tria.ge/reports/210902-vmze6aahg7/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Blocklisted process makes network request
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
sinzu1.ddns.net:6655
sinzu2.ddns.net:6655
sinzu3.ddns.net:6655
sinzu4.ddns.net:6655
sinzu5.ddns.net:6655
sinzu6.ddns.net:6655
sinzu7.ddns.net:6655
Unpacked files
SH256 hash:
4e1202f3e7e04b0b3ca1df164bf5381f24063c142317e774d4e5d88b2b3ac744
MD5 hash:
aa23dee2c34813d67fe9c67ec784782a
SHA1 hash:
10b2e7af7cb9d6f852e6d607875a8c9613538930
Link:
https://www.unpac.me/results/eaa46ac6-c245-4bc8-b7dd-04a5554d2fd2/
SH256 hash:
8a5035fd03311d20137b4111bee190142fa9c653ed60e57be2802665fe8bdb24
MD5 hash:
9d4d1c7da94d5e84bca83cc2f72bb179
SHA1 hash:
a4ab57fb8374cf01e1df6eb34c6e8d2e765fe348
Link:
https://www.unpac.me/results/eaa46ac6-c245-4bc8-b7dd-04a5554d2fd2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8a5035fd0331/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8a5035fd03311d20137b4111bee190142fa9c653ed60e57be2802665fe8bdb24

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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:MALWARE_Win_NetWire
Create hunting rule
Author:ditekSHen
Description:Detects NetWire RAT
Rule name:win_netwire_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.netwire.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/184860/

Comments