MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea
SHA3-384 hash: 2684da51248cb5da51b947a9633019878de8140b8f152b9011e7db0343185366228fa7de49f20f21f197996008621daa
SHA1 hash: 5c1b25e3eb653e39dff6969ac64b24ebca2646a5
MD5 hash: f35c9fa6756cbc5e791367d675cd5791
humanhash: beryllium-wyoming-carolina-indigo
File name:f35c9fa6756cbc5e791367d675cd5791
Download: download sample
Signature NetWire
Create hunting rule
File size:297'706 bytes
First seen:2023-02-02 07:51:23 UTC
Last seen:2023-02-02 09:52:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:3Ya6U3Pc/eEvhW0ZPmRlfwL8FUq+snr9PAM20OAURe7pfI:3Yi0GEvh0R5BbhBP20OAU4+
Threatray 285 similar samples on MalwareBazaar
TLSH T1B654F198F99489A3EC9A0973BC6BCD065776FD212A640D4A73C8BB5F2D73443C10E693
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0c8e0c080b0c4c4 (1 x AveMariaRAT, 1 x Formbook, 1 x NanoCore)
Reporter zbetcheckin
Tags:32 exe NetWire

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
netwire
Create hunting rule
ID:
1
File name:
Order No 2118013.doc
Verdict:
Malicious activity
Analysis date:
2023-02-01 15:08:08 UTC
Tags:
trojan exploit cve-2017-11882 rat netwire loader
Link:
https://app.any.run/tasks/b9269412-df5c-4c09-b793-e9bab3908adb

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/359405/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.10470.31468.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64731/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63db6ba5447edb203a027b1d/reports/5d0225a8-fb06-4e70-b0f0-d7053b8e16db/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dc2edea2-7b87-4aff-a37f-1de253fd6628
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1164033
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking mutex)
Found stalling execution ending in API Sleep call
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 796804 Sample: X80UfZE3PA.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected NetWire RAT 2->44 46 3 other signatures 2->46 7 X80UfZE3PA.exe 19 2->7         started        10 riwagraq.exe 2->10         started        13 riwagraq.exe 2->13         started        process3 file4 26 C:\Users\user\AppData\...\yltpnlljea.exe, PE32 7->26 dropped 15 yltpnlljea.exe 1 2 7->15         started        48 Multi AV Scanner detection for dropped file 10->48 19 WerFault.exe 3 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 file7 28 C:\Users\user\AppData\...\riwagraq.exe, PE32 15->28 dropped 32 Multi AV Scanner detection for dropped file 15->32 34 Detected unpacking (changes PE section rights) 15->34 36 Detected unpacking (overwrites its own PE header) 15->36 38 3 other signatures 15->38 23 yltpnlljea.exe 15->23         started        signatures8 process9 dnsIp10 30 rabusk.duckdns.org 193.31.30.138, 1992, 49714 QUICKPACKETUS United Kingdom 23->30
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea/
Threat name:
Win32.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2023-02-01 10:08:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wh34hfnkfe5lyztk4vkiupjwy2b6esixygil54lpdui23ugpl7va._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0bcaaad38d8ff5881dae662a481b5f64bfeb71a40bf27d61a35889e7667ce44a
NetWire
3a07d1cbc8052ba733faaacff6b69858057ad8efc52583a78fcd98f6e96be88f
NetWire
5093e9d67a34fff3d38c33732a45c52ad365abdb3f62a3054fd09308fa7e17e2
NetWire
805d12ed4c01c46608247a67de367e4ff274977219804246df7739707873fd2b
NetWire
976d246968ae18dbdb5edf65693eaaff089451933c91c912a33b8391cf535193
NetWire
ec97ed27796dbff33a962dffb06c97ed5dd883634b54ef928ab4fa5ad8d74534
NetWire
+ 275 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/230202-jqepdahd5x/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
2cdffd5dc0dc2c163bb2d9274bb609d50e3c5bf8722f33ef8688e57075447fd2
MD5 hash:
1860d245c38ecc3729776793ebf7b67b
SHA1 hash:
36c0d27d488e20c48069fdc333dc12837be167fc
Link:
https://www.unpac.me/results/19e41135-3a6d-4deb-8d93-d090c61616d8/
SH256 hash:
3f8a677b416125ad847db147db45bab6b82b59cb8cfe2d44fb752a86d98b8cc9
MD5 hash:
d4f3b16f83bcfbfa9627a4342adce47c
SHA1 hash:
4950e83f0a121c4ffc429ff6e19642fed810053c
Link:
https://www.unpac.me/results/19e41135-3a6d-4deb-8d93-d090c61616d8/
SH256 hash:
b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea
MD5 hash:
f35c9fa6756cbc5e791367d675cd5791
SHA1 hash:
5c1b25e3eb653e39dff6969ac64b24ebca2646a5
Link:
https://www.unpac.me/results/19e41135-3a6d-4deb-8d93-d090c61616d8/
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/b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Netwire_f42cb379
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Netwire_f85e4abc
Create hunting rule
Author:Elastic Security

File information

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

Web download

NetWire

Executable exe b1f7c395aa293abc666ae5548a3d36c683e24917c190bef16f1d11add0cf5fea

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2526619/
Cape
Cape
https://www.capesandbox.com/analysis/359405/

Comments


Avatar
zbet commented on 2023-02-02 07:51:35 UTC

url : hxxp://ask6.awt.com.pk/wordpress//wp-content/jollykeys2.1.exe