MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e8bf76b6d1f39b8366169c0cd6dc4bee0946973b8f5c64baf7fd1bfd1846731. 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: 13


Intelligence 13 IOCs 1 YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e8bf76b6d1f39b8366169c0cd6dc4bee0946973b8f5c64baf7fd1bfd1846731
SHA3-384 hash: 85e54a80e3ddf2fc25bbede89a2a1a9648a88c28c876138e322b9559b3e6039a689595b7e1e0790249ddc72ab98413a9
SHA1 hash: a7a9024ee3561de8d23cbcc1d4b2d4aa833fd154
MD5 hash: 96a1edd287967c1c8cb228d5fa138001
humanhash: mike-ceiling-pennsylvania-rugby
File name:Confirmation slip.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:764'928 bytes
First seen:2022-09-27 09:27:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:vxDAwgixJr0GHaitiM1u102DZPMqjJ5nt0+9MK:pJrxtiMufFPXjrBe
Threatray 907 similar samples on MalwareBazaar
TLSH T1D8F4182429EB516CF4BA5BBA6FC9B8FA4C5BFE71256960F620A173068733E05CCD1035
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
104.222.188.99:3360

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
104.222.188.99:3360 https://threatfox.abuse.ch/ioc/851936/

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/313890/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
packed
Link:
https://www.filescan.io/uploads/6332c2241b571b0fb1f1629e/reports/a07d03a8-f99c-4c67-95dc-84ecef881659/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e8490b7d-4526-4b64-ba27-a7c6e0fbd963
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1078184
Signature
.NET source code contains very large strings
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: NetWire
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Netwire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710754 Sample: Confirmation slip.exe Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 12 other signatures 2->39 7 Confirmation slip.exe 6 2->7         started        process3 dnsIp4 29 192.168.2.1 unknown unknown 7->29 23 C:\Users\user\AppData\Roaming\FmCkDaZ.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpD83E.tmp, XML 7->25 dropped 27 C:\Users\user\...\Confirmation slip.exe.log, ASCII 7->27 dropped 41 Injects a PE file into a foreign processes 7->41 12 Confirmation slip.exe 2 7->12         started        15 schtasks.exe 1 7->15         started        17 Confirmation slip.exe 7->17         started        19 Confirmation slip.exe 7->19         started        file5 signatures6 process7 dnsIp8 31 104.222.188.99, 3360, 49711 ASDETUKhttpwwwheficedcomGB United States 12->31 21 conhost.exe 15->21         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e8bf76b6d1f39b8366169c0cd6dc4bee0946973b8f5c64baf7fd1bfd1846731/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-09-27 09:28:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n2f7o23nd443qntbnham23oex3qji2ltxd24ms5pp7i37umem4yq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
2abcdb606044f4db592baa3f9c808bf4fcab2146c49d83ba45a4ccbb20bc8354
NetWire
5e6ed3f0eda07ab20f0de1f4c2f9e355a558de4f53b1f81cadae2f3b2d4609a4
NetWire
6ace19befa598ac3913865abf5fea0eac3d66b77425a9700274094d58b50630f
NetWire
ae2f65dc73b9f6946ced973c5dd998d53123110a8c7a4ad6d88e7cc56d9e3d6d
NetWire
b002c64f7d0ff0a952b72f31609e683f17bb23313417f6639afdec47d9187b25
NetWire
f3ba07ea43adc68f25d26028ec31b752001be473d77b69d5c89e1ef393d37812
NetWire
ff522148c553515ff4fcec77ffa6e2140c1c8faae3006133f5b82a0f1b8019dd
NetWire
+ 897 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet evasion rat stealer
Link:
https://tria.ge/reports/220927-lfbwvadbb4/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
104.222.188.99:3360
zonedx.ddns.net:3360
zonedx.ddns.net:3363
104.222.188.99:3363
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6cbb9621-c8d3-4f4f-9391-3c10f08fa067
Unpacked files
SH256 hash:
6f08bc8a70c40ae7f995cc4fee15025b65c5b720e47844b92ff3b24bc281bc38
MD5 hash:
228e21c9dc9e48d6354c7262e70c2c87
SHA1 hash:
edeeb436f616143140e2d3a6c886235c62fdd430
Detections:
Netwire
Create hunting rule
win_netwire_auto
Create hunting rule
win_netwire_g1
Create hunting rule
Link:
https://www.unpac.me/results/a455894f-7856-4dc4-a8ca-29179c209165/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/a455894f-7856-4dc4-a8ca-29179c209165/
SH256 hash:
ef74eac0cb95942e5d82310c372d9deeaf19ae509ccd91acfd997554ffec4dd2
MD5 hash:
ff7416408b2e11dbe64f2879cf76d42a
SHA1 hash:
259064ee6c4c718d3dbdbef2d388ee39f9dbb679
Link:
https://www.unpac.me/results/a455894f-7856-4dc4-a8ca-29179c209165/
SH256 hash:
6e8bf76b6d1f39b8366169c0cd6dc4bee0946973b8f5c64baf7fd1bfd1846731
MD5 hash:
96a1edd287967c1c8cb228d5fa138001
SHA1 hash:
a7a9024ee3561de8d23cbcc1d4b2d4aa833fd154
Link:
https://www.unpac.me/results/a455894f-7856-4dc4-a8ca-29179c209165/
Malware family:
Netwire
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6e8bf76b6d1f/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/6e8bf76b6d1f39b8366169c0cd6dc4bee0946973b8f5c64baf7fd1bfd1846731

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: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:malware_netwire_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
Rule name:MALWARE_Win_NetWire
Create hunting rule
Author:ditekSHen
Description:Detects NetWire RAT
Rule name:MAL_unspecified_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:MAL_unspecified_Jan18_1_RID2F4A
Create hunting rule
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:netwire
Create hunting rule
Author:jeFF0Falltrades
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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:Detects win.netwire.
Rule name:win_netwire_w0
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:NetWiredRC

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/313890/

Comments