MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb55f300cbcea6d62e33eb76a196849d1a67ce91c46255d2180fcd6a2cdc43f9. 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 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb55f300cbcea6d62e33eb76a196849d1a67ce91c46255d2180fcd6a2cdc43f9
SHA3-384 hash: 20df408013cb51bf93cbe61b2ae15b5a626ed7109b08549e2b583185b7d1bb3d80b484f0520f85c1bb42689a616d8b65
SHA1 hash: c755223473337ed4a21f4c11279e9762e2e76474
MD5 hash: f29892ad06b79676decbacde55c4ce95
humanhash: cola-pennsylvania-alaska-wyoming
File name:Ycuvnfrbtjzvmlyxaoewxrhiwgmfxkiudt.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:1'008'128 bytes
First seen:2021-09-22 10:56:04 UTC
Last seen:2021-10-04 11:59:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 91a12f22e7f2305a107edddf42c40880 (4 x RemcosRAT, 2 x Formbook, 1 x NetWire)
ssdeep 12288:MYeqaTWvI8UhU0EIp3Cx4DtbeoAdrL7mSI:MYpa+qUH2y44rPg
Threatray 606 similar samples on MalwareBazaar
TLSH T13C254BDB7384E8EAFD24343ECA85B6556340BBF23D825C8C8D757E8A5AA4741F90D483
File icon (PE):PE icon
dhash icon b670390284e2da70 (14 x Formbook, 3 x RemcosRAT, 3 x AveMariaRAT)
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
184.75.223.211:5455

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
184.75.223.211:5455 https://threatfox.abuse.ch/ioc/225031/

Intelligence

File Origin
# of uploads :
2
# of downloads :
560
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ycuvnfrbtjzvmlyxaoewxrhiwgmfxkiudt.exe
Verdict:
Malicious activity
Analysis date:
2021-09-22 10:56:56 UTC
Tags:
installer trojan rat netwire
Link:
https://app.any.run/tasks/2281ab74-bacb-4e3c-8264-f2df0d8e4c59

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/190122/
Detection(s):
Win.Trojan.Zusy-9895656-0
Create hunting rule

Malware family:
NetWire RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c5384cf2-3316-4ced-9dd0-b2bac3d5e9fa
Result
Threat name:
DBatLoader NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/855499
Signature
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 487930 Sample: Ycuvnfrbtjzvmlyxaoewxrhiwgm... Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Yara detected DBatLoader 2->65 67 3 other signatures 2->67 8 Ycuvnfrbtjzvmlyxaoewxrhiwgmfxkiudt.exe 1 23 2->8         started        13 Ycuvnfr.exe 14 2->13         started        15 Ycuvnfr.exe 17 2->15         started        process3 dnsIp4 47 sn-files.fe.1drv.com 8->47 49 onedrive.live.com 8->49 51 iqvjka.sn.files.1drv.com 8->51 41 C:\Users\Public\Libraries\...\Ycuvnfr.exe, PE32 8->41 dropped 75 Writes to foreign memory regions 8->75 77 Creates a thread in another existing process (thread injection) 8->77 79 Injects a PE file into a foreign processes 8->79 17 logagent.exe 2 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        53 sn-files.fe.1drv.com 13->53 57 2 other IPs or domains 13->57 81 Machine Learning detection for dropped file 13->81 25 logagent.exe 13->25         started        55 sn-files.fe.1drv.com 15->55 59 2 other IPs or domains 15->59 27 mobsync.exe 15->27         started        file5 signatures6 process7 dnsIp8 43 217.64.127.195, 5455 M247GB United Kingdom 17->43 45 184.75.223.211, 49758, 5455 AMANAHA-NEWCA Canada 17->45 69 Contains functionality to log keystrokes 17->69 71 Contains functionality to steal Internet Explorer form passwords 17->71 73 Contains functionality to steal Chrome passwords or cookies 17->73 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        signatures9 process10 process11 37 conhost.exe 29->37         started        39 conhost.exe 33->39         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb55f300cbcea6d62e33eb76a196849d1a67ce91c46255d2180fcd6a2cdc43f9/
Threat name:
Win32.Trojan.Delf
Create hunting rule
Status:
Malicious
First seen:
2021-09-22 10:47:46 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7nk7gaglz2tnmlrt5n3kdfuetungpturyrrfluqyb7gwulg4ip4q._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0f67fd50b46ca7283dc172211a42e3ffab7b524a1e2e23433c34c88e657cd364
NetWire
27fc1cbcf702e483b8eec78bc2605e0d45dda7f0dae2c0adcd6f90b396a1151e
NetWire
abd18b2d7cfc702e56442f2549808b301f2e0fc214cdf2230d5fbefc9620fd42
NetWire
bd62e723aff056a5f6dd9b9ece4f5ea4bae0a50cc3bdd5f4228fb265c2a96170
NetWire
c657a69c6832a40ff81651b72dde98ebd3dd5cece06ee57afe835370a2d51a3a
NetWire
cb9713e99535b6589f62d352c0a22488ae19d4b02df7f33e3fc052e9c8414481
NetWire
cf2aec2969353dc99a7f715ac818212b42b8cff7a58c9109442f2c65ff62de42
NetWire
dbe60153ede523dc838e9289aa0b43c5022c182b85396381b96b5d44c1698e27
NetWire
dfc8f0a7456a2b40908d901c2468d372bd859abda04e50ef4cf45ec84668cdcb
NetWire
+ 596 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:netwire family:xmrig botnet miner persistence rat stealer
Link:
https://tria.ge/reports/210922-m18xraehcp/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Adds Run key to start application
NetWire RAT payload
Netwire
xmrig
Malware Config
C2 Extraction:
217.64.127.195:5455
184.75.223.211:5455
141.98.101.133:5455
64.42.179.67:5455
128.127.105.184:5455
Unpacked files
SH256 hash:
9df5839fe41103d241af27c07ec4fce4adfb9129cb57fe6d3fd9a396a750fb49
MD5 hash:
36e70e671e5390c2363ea8803df1c84a
SHA1 hash:
8905d18a2eb8299c800331aee4bbd05afa8f5bcc
Link:
https://www.unpac.me/results/e211d457-a898-4793-9c6b-0a191d3098d2/
SH256 hash:
fb55f300cbcea6d62e33eb76a196849d1a67ce91c46255d2180fcd6a2cdc43f9
MD5 hash:
f29892ad06b79676decbacde55c4ce95
SHA1 hash:
c755223473337ed4a21f4c11279e9762e2e76474
Link:
https://www.unpac.me/results/e211d457-a898-4793-9c6b-0a191d3098d2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/fb55f300cbcea6d62e33eb76a196849d1a67ce91c46255d2180fcd6a2cdc43f9

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
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/190122/

Comments