MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23f943791b5757309e0fa0531c4f347ecba3d45d568cd1aae3f6828af0c0ea1d. 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 1 YARA 3 File information Comments

SHA256 hash: 23f943791b5757309e0fa0531c4f347ecba3d45d568cd1aae3f6828af0c0ea1d
SHA3-384 hash: dedee09673ec1b75a50419dd6890f9288e155fa3e41b9a4c63ff560ed824e70b5cfc852dfc0498b600e09418ba610128
SHA1 hash: 104061e6bb2457cd2a9578e2d52e262e5516066d
MD5 hash: 2a41ef7c698c0fb98b23387ccd1314df
humanhash: snake-lithium-equal-ten
File name:CON#8735.exe
Download: download sample
Signature NetWire
File size:817'152 bytes
First seen:2021-09-20 17:40:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:GqDijoMSmtiK5o6jZ4VhkOM1eDd56uYsXFVBHxyAXPXekGQK:Gs+Fo3cOagVXFP/XzZK
Threatray 10'495 similar samples on MalwareBazaar
TLSH T11E05ADC13D47D89BF4DF2AB398AFC4201165AE8D9161C73D26927B2B54F3352306BA4E
File icon (PE):PE icon
dhash icon b282b8a4a6929e9e (23 x Formbook, 20 x AgentTesla, 9 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
194.5.98.25:5345

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
194.5.98.25:5345 https://threatfox.abuse.ch/ioc/223788/

Intelligence


File Origin
# of uploads :
1
# of downloads :
571
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CON#8735.exe
Verdict:
Malicious activity
Analysis date:
2021-09-20 17:43:18 UTC
Tags:
trojan rat netwire

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Result
Threat name:
AgentTesla NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Contains functionality to steal Chrome passwords or cookies
Creates multiple autostart registry keys
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected NetWire RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 486747 Sample: CON#8735.exe Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected AgentTesla 2->69 71 Yara detected Telegram RAT 2->71 73 6 other signatures 2->73 8 CON#8735.exe 15 7 2->8         started        13 cay.exe 2->13         started        15 uyp.exe 2->15         started        17 4 other processes 2->17 process3 dnsIp4 59 cdn.discordapp.com 162.159.133.233, 443, 49736 CLOUDFLARENETUS United States 8->59 47 C:\Users\user\AppData\Local\Temp\bete.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\...\CON#8735.exe.log, ASCII 8->49 dropped 85 Writes to foreign memory regions 8->85 87 Allocates memory in foreign processes 8->87 89 Injects a PE file into a foreign processes 8->89 19 bete.exe 7 8->19         started        23 MSBuild.exe 3 8->23         started        91 Antivirus detection for dropped file 13->91 93 Multi AV Scanner detection for dropped file 13->93 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->95 97 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 13->97 99 Machine Learning detection for dropped file 15->99 101 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->101 61 192.168.2.1 unknown unknown 17->61 63 betterday.duckdns.org 17->63 65 betterday.duckdns.org 17->65 file5 signatures6 process7 file8 41 C:\Users\user\AppData\Local\Temp\maur.exe, PE32 19->41 dropped 43 C:\Users\user\AppData\Local\Temp\49.exe, PE32 19->43 dropped 45 C:\Users\user\AppData\Local\Temp\22.exe, PE32 19->45 dropped 75 Antivirus detection for dropped file 19->75 77 Multi AV Scanner detection for dropped file 19->77 79 Machine Learning detection for dropped file 19->79 25 22.exe 2 6 19->25         started        29 49.exe 2 4 19->29         started        31 maur.exe 19->31         started        81 Contains functionality to steal Chrome passwords or cookies 23->81 33 Host.exe 4 23->33         started        signatures9 process10 file11 51 C:\Users\user\AppData\Local\Temp\...\cay.exe, PE32 25->51 dropped 103 Antivirus detection for dropped file 25->103 105 Multi AV Scanner detection for dropped file 25->105 107 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 25->107 115 4 other signatures 25->115 53 C:\Users\user\AppData\Local\Temp\...\uyp.exe, PE32 29->53 dropped 109 Tries to steal Mail credentials (via file access) 29->109 111 Machine Learning detection for dropped file 29->111 113 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 29->113 55 C:\Users\user\AppData\Roaming\...\Host.exe, PE32 31->55 dropped 35 Host.exe 31->35         started        39 conhost.exe 33->39         started        signatures12 process13 dnsIp14 57 betterday.duckdns.org 194.5.98.25, 49739, 49745, 49746 DANILENKODE Netherlands 35->57 83 Creates multiple autostart registry keys 35->83 signatures15
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2021-09-20 17:41:04 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:agenttesla family:netwire botnet keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
AgentTesla Payload
AgentTesla
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
betterday.duckdns.org:5345
https://api.telegram.org/bot1698102386:AAHWYbuf-rLmgfOsAgCnA_t8ncjPXSF5S8c/sendDocument
Unpacked files
SH256 hash:
7aca473b092444754e753820396f40e5be95fb08b8c672ef52c73e92b452e13c
MD5 hash:
37c22aeaa464214a9877e62661fe0f64
SHA1 hash:
ebc78b07c4507934a0ba4e746b8ded21ec448ac0
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
SH256 hash:
7e6fa0a42ec2f1fe4b480c6ac97da7181c09089ad6045acb69e92b8a2e6d73cd
MD5 hash:
fbc14e440fd067cbdc3e18d939e9e638
SHA1 hash:
26fe0780a2d652b401b00d573c77f95853bdb293
SH256 hash:
0d46fa6b67893cdfa116756b67b4f342aa093ac2e4e9574fd2e9b60ada66b5fe
MD5 hash:
2f04be5ed8911b97868e8b859ff9072a
SHA1 hash:
20cd1daa8a424579316faf62026806587a70578e
Detections:
win_netwire_g1 win_netwire_auto
SH256 hash:
23f943791b5757309e0fa0531c4f347ecba3d45d568cd1aae3f6828af0c0ea1d
MD5 hash:
2a41ef7c698c0fb98b23387ccd1314df
SHA1 hash:
104061e6bb2457cd2a9578e2d52e262e5516066d
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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