MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71f9ec40a29963c0e4948e565b2832dbe8b879143b74b432c2087b700a982dae. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71f9ec40a29963c0e4948e565b2832dbe8b879143b74b432c2087b700a982dae
SHA3-384 hash: 5c6d49ed6230e4fb1542d49c93eec9f8593f3a0d941493bb59ac68a3b0209ff9071616be5bdc3964caf9081856c1bbf3
SHA1 hash: adbb0cfca0f9260f89531ed95f35f435ae51f99b
MD5 hash: c858311c56468ba46c06eefcfc575690
humanhash: romeo-delta-white-spaghetti
File name:C858311C56468BA46C06EEFCFC575690.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:2'910'720 bytes
First seen:2021-04-09 04:15:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 49152:5h+ZkldoPK8YaiE2iO6cGUiuTEs+RJ6L+wkx7FX2IBpvV+gUkZ:62cPK8R2o4CTGL+w+FX2IBpt+
Threatray 1'206 similar samples on MalwareBazaar
TLSH 86D50112B3D1D036FFAB92775B6AF20196BDB9254133852F23981DB8BD701B1263D623
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
31.220.4.216:54573

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
31.220.4.216:54573 https://threatfox.abuse.ch/ioc/7316/

Intelligence

File Origin
# of uploads :
1
# of downloads :
434
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
C858311C56468BA46C06EEFCFC575690.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-09 04:17:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/050be420-b824-427a-8c04-044f81efbef6

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/133308/
Detection(s):
SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Deleting a recently created file
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
DNS request
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
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:
100 / 100
Link:
https://www.joesandbox.com/analysis/670958
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Detected unpacking (creates a PE file in dynamic memory)
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
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: NetWire
Yara detected Netwire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 384425 Sample: kOk9pd8uJ4.exe Startdate: 09/04/2021 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 5 other signatures 2->45 8 kOk9pd8uJ4.exe 2 2->8         started        11 ruj.exe 1 2->11         started        13 ruj.exe 1 2->13         started        process3 signatures4 55 Detected unpacking (creates a PE file in dynamic memory) 8->55 57 Binary is likely a compiled AutoIt script file 8->57 59 Injects a PE file into a foreign processes 8->59 15 kOk9pd8uJ4.exe 2 8->15         started        18 ruj.exe 11->18         started        21 ruj.exe 13->21         started        process5 dnsIp6 29 C:\Users\user\AppData\Roaming\...\ruj.exe, PE32 15->29 dropped 23 ruj.exe 1 15->23         started        31 clients.enigmasolutions.xyz 18->31 33 clients.enigmasolutions.xyz 21->33 file7 process8 signatures9 47 Antivirus detection for dropped file 23->47 49 Multi AV Scanner detection for dropped file 23->49 51 Detected unpacking (creates a PE file in dynamic memory) 23->51 53 3 other signatures 23->53 26 ruj.exe 3 23->26         started        process10 dnsIp11 35 clients.enigmasolutions.xyz 31.220.4.216, 49717, 49723, 49724 HOSTHATCHUS Germany 26->35 37 192.168.2.1 unknown unknown 26->37
Detection:
netwire
Create hunting rule
Link:
https://mwdb.cert.pl/sample/71f9ec40a29963c0e4948e565b2832dbe8b879143b74b432c2087b700a982dae/
Threat name:
Win32.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 03:47:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oh46yqfctfr4bzeurzlfwkbs3pulq6iuhn2limwcbb5xacuyfwxa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0b579b5234465e825338a97b93d6ffbb2733bd7b9a1a3f4c3ed5f7c410d76658
NetWire
2ffdb2643512eaa27e65319a8905fccb924c39ff91b4c14787f7d5663edf413d
NetWire
318feaa23aaf7ef64618bd49846973791db210e5714fd4440a8b186409207810
NetWire
37dd9ac0253be5eb6036877963ff457db90932e34d9bbd2c18852bf8bfd873c2
NetWire
55eb95f1ad05a1a1acff7b2b727e30d4045e9eab88cee2ab7cedb7db0c1b434a
NetWire
59dfc2ac190104ed3eff9c2c77f80e9e6ca18f84e7c4845ac713a30a8668280e
NetWire
5d87517a56440374b259a78c6f271de278c89b03016fe307e5a85121b054f42d
NetWire
98169e4e5b83666832b2cfbe23861caf950ffa48cc3365d906d782be0f0b2016
NetWire
c615feef9580a0c5da27cffe236ad0ad2b86c511a51e92b782f8a4f58b617085
NetWire
eaa2ffea97ff065ac6270e67d8d96664360ea8cde77b78a4cc19949a63ed3563
NetWire
+ 1'196 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/210409-8rdth7sme6/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
81c4b84299222f7fab861c883ea5f2a22dc82008c9ca3d53d48f0429ed75e1d7
MD5 hash:
27b2035b13365809b84b3ef488f7766d
SHA1 hash:
f6bfa2332956fb1998dbb3418ffe20b7a79cbb45
Link:
https://www.unpac.me/results/3595f5b5-9f14-443c-b0c4-aa65f357019f/
SH256 hash:
0f52e836f28ca078cbe357e0c2565e5c5ed3516aaf87957afb2f719799638f1c
MD5 hash:
2e3cb30fcb30dffe7696d7cf994d90b5
SHA1 hash:
d36bb1bec87fb254bef4b0841976f1a040f25137
Detections:
win_netwire_g1
Create hunting rule
win_netwire_auto
Create hunting rule
Link:
https://www.unpac.me/results/3595f5b5-9f14-443c-b0c4-aa65f357019f/
SH256 hash:
4b3545b85072c80287f1227329a9aeffd460e1a8bb84eeda7158ffee94fad502
MD5 hash:
8da7b75e8b5ef8dbc5caf9a2c392b8aa
SHA1 hash:
2b3e788ebbac83ce2b401e407eec9c20894e6653
Detections:
win_netwire_g1
Create hunting rule
Link:
https://www.unpac.me/results/3595f5b5-9f14-443c-b0c4-aa65f357019f/
SH256 hash:
71f9ec40a29963c0e4948e565b2832dbe8b879143b74b432c2087b700a982dae
MD5 hash:
c858311c56468ba46c06eefcfc575690
SHA1 hash:
adbb0cfca0f9260f89531ed95f35f435ae51f99b
Link:
https://www.unpac.me/results/3595f5b5-9f14-443c-b0c4-aa65f357019f/
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/71f9ec40a29963c0e4948e565b2832dbe8b879143b74b432c2087b700a982dae

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
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_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:netwire
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/133308/

Comments