MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac5172fa3b434962c4f2e12b9c47dfd29a939b1d15c358ead485c4843ae065aa. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac5172fa3b434962c4f2e12b9c47dfd29a939b1d15c358ead485c4843ae065aa
SHA3-384 hash: 2ee6c5d142b5b27af1871b38d834adcbee1ec7f7dee1d34324e2c058b13e9d7202a57df81624ce8259aacad8d18f0281
SHA1 hash: a3a40037b451c4d25758eec72009e703f1f80534
MD5 hash: 36f108b320d0b177b1fb3e20fb917cb1
humanhash: chicken-colorado-venus-alpha
File name:36f108b320d0b177b1fb3e20fb917cb1.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:1'896'448 bytes
First seen:2020-12-09 10:22:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 49152:dZ8+FVmoXYyNs59kuLu8r2/vhTHt7AIVQ43en:dZ8+F4pksxa/pTZlVPen
Threatray 328 similar samples on MalwareBazaar
TLSH F595DE919C40CA79E9097FFD802E1CD912E36F66297681BCA1783A641F77B97CD1220F
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire RAT C2:
netnetwir.duckdns.org:26661 (37.120.156.163)

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
36f108b320d0b177b1fb3e20fb917cb1.exe
Verdict:
Malicious activity
Analysis date:
2020-12-09 10:35:31 UTC
Tags:
trojan netwire
Link:
https://app.any.run/tasks/33f20a39-a407-4468-8d40-3d31be34db0a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Netwire
Create hunting rule
Link:
https://www.capesandbox.com/analysis/107412/
Detection(s):
SecuriteInfo.com.Trojan.Heur.DNP.Zn0@a8JHvHj.23907.6893.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Creating a window
Creating a process from a recently created file
Connection attempt
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
MALICIOUS
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:
88 / 100
Link:
https://www.joesandbox.com/analysis/558839
Signature
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NetWire
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 328517 Sample: olVrlak5Hb.exe Startdate: 09/12/2020 Architecture: WINDOWS Score: 88 53 netnetwir.duckdns.org 2->53 55 g.msn.com 2->55 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected NetWire RAT 2->69 71 Sigma detected: NetWire 2->71 73 3 other signatures 2->73 8 olVrlak5Hb.exe 1 4 2->8         started        11 WindowsDefenderUpdater.exe 3 2->11         started        13 WindowsDefenderUpdater.exe 3 2->13         started        signatures3 process4 file5 41 C:\ProgramData\WindowsDefenderUpdater.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\...\olVrlak5Hb.exe.log, ASCII 8->43 dropped 45 WindowsDefenderUpd...exe:Zone.Identifier, ASCII 8->45 dropped 15 WindowsDefenderUpdater.exe 5 8->15         started        19 olVrlak5Hb.exe 2 8->19         started        22 olVrlak5Hb.exe 8->22         started        47 C:\Users\user\AppData\...\tmpBE4B.tmp.exe, PE32 11->47 dropped 24 WindowsDefenderUpdater.exe 11->24         started        26 WindowsDefenderUpdater.exe 11->26         started        28 WindowsDefenderUpdater.exe 11->28         started        30 tmpBE4B.tmp.exe 11->30         started        49 C:\Users\user\AppData\...\tmp99AC.tmp.exe, PE32 13->49 dropped 32 WindowsDefenderUpdater.exe 13->32         started        34 tmp99AC.tmp.exe 13->34         started        process6 dnsIp7 51 C:\Users\user\AppData\...\tmp7A1E.tmp.exe, PE32 15->51 dropped 63 Multi AV Scanner detection for dropped file 15->63 65 Machine Learning detection for dropped file 15->65 36 WindowsDefenderUpdater.exe 15->36         started        39 tmp7A1E.tmp.exe 15->39         started        57 netnetwir.duckdns.org 37.120.156.163, 26661, 49719, 49720 M247GB Romania 19->57 file8 signatures9 process10 dnsIp11 59 netnetwir.duckdns.org 36->59 61 192.168.2.1 unknown unknown 36->61
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac5172fa3b434962c4f2e12b9c47dfd29a939b1d15c358ead485c4843ae065aa/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2020-12-08 23:51:02 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrixf6r3inewfrhs4evzyr672knjhgy5cxbvr2wuqxciioxamwva._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
249e738650027df7635aa70373e2e2f936eb58e1a208fdc8df9ee2f66e4cb9e3
NetWire
2928d0d53b459f6b822fd781360a743b3548f31c31c012ba8a25b42235aff154
NetWire
482a6a0bf95d313de664dec7523d7487995d5f26e1a30b8bc62c0a5e1431fbd7
NetWire
4d88027eea794c98e219904f2815eedca85a415a81bc1fb87268cabd5a098c51
NetWire
5105c1a352e0f0e2a54b08132d9d1e383f6505a7aa42b8aea411c85551c37175
NetWire
7511c244b32ec5bc59ff7173ee5aa83a764ea6607522b79cc99c5537907e50e7
NetWire
92c0d7be74bd55ea431d9f144b0938834c74764e87c39e8bcd640e05458c4adf
NetWire
cf3b59c22659d7931cf9d0338d57af01d63fbb8363ebc4c86be884194ef62e40
NetWire
dc4475e7d864b18f90b1a3b812d6f1e98d46fbb24771405c1b15c9c1cba8a10f
NetWire
eff2bda9797c042cbae44c8aed29b31b853733c0676a687dc62676752197c05d
NetWire
+ 318 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/201209-tm31lkmhd6/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
JavaScript code in executable
Loads dropped DLL
Executes dropped EXE
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
ac5172fa3b434962c4f2e12b9c47dfd29a939b1d15c358ead485c4843ae065aa
MD5 hash:
36f108b320d0b177b1fb3e20fb917cb1
SHA1 hash:
a3a40037b451c4d25758eec72009e703f1f80534
Link:
https://www.unpac.me/results/c4ba5c57-0c36-4489-a559-a3edef2ca2a2/
SH256 hash:
08813be412cef8e50b5ffb75af357a8e0d9e56fe9e1284db8926a12621cca315
MD5 hash:
f58cf4bdd5bd7e773d73499e32145e44
SHA1 hash:
00421b57a87ca3ce1f575b576452d409818d8b94
Link:
https://www.unpac.me/results/c4ba5c57-0c36-4489-a559-a3edef2ca2a2/
SH256 hash:
ec71311ec3ed986073ecb64fc7ab562050a5ea3d63f301b477fdc339a7ace6e7
MD5 hash:
ab4b4c675a60fbf73a8d73217247f840
SHA1 hash:
7e808c3f71a06ff783937cf7fb5638db90e83b4e
Detections:
win_netwire_g1
Create hunting rule
win_netwire_auto
Create hunting rule
Link:
https://www.unpac.me/results/c4ba5c57-0c36-4489-a559-a3edef2ca2a2/
SH256 hash:
48b932726d82fb7deaf8392dd4a4ec4be7a45662f0f4734e6fa78804cbb4c486
MD5 hash:
f20fd6b8e5ca438d2c46550958325762
SHA1 hash:
be2684e12912b51a1bbe74f22fe8b37eb42cf614
Detections:
win_netwire_g1
Create hunting rule
Link:
https://www.unpac.me/results/c4ba5c57-0c36-4489-a559-a3edef2ca2a2/
SH256 hash:
744196380ce936978e27d26d9fa879e800f7dfef860d84307d7d5b17c578b87e
MD5 hash:
fcd39e300aa9511c99815f7cd3f82338
SHA1 hash:
f7044cede1337389c006519dc391176f877bfebd
Link:
https://www.unpac.me/results/c4ba5c57-0c36-4489-a559-a3edef2ca2a2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac5172fa3b434962c4f2e12b9c47dfd29a939b1d15c358ead485c4843ae065aa

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
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 ac5172fa3b434962c4f2e12b9c47dfd29a939b1d15c358ead485c4843ae065aa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/900728/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/107412/

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