MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a3622df2a114ee18f9f869fcaadb38d0cc21f2abed2cad7a5b41acb5a084ee. 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 2 File information Comments

SHA256 hash: 81a3622df2a114ee18f9f869fcaadb38d0cc21f2abed2cad7a5b41acb5a084ee
SHA3-384 hash: d3de31506d7a4cd0d05d365db6e64a17e4af2ebbb6f03eb3b23b89ddbcd184c4218baf322af3645c4985cfb1c31dcd30
SHA1 hash: 1d234c723e21fa33fa891aeb683ab8689d5437f6
MD5 hash: e3ad7486fa3ae740817bb03e35b39f15
humanhash: shade-sierra-arizona-princess
File name:Payment Receipt.exe
Download: download sample
Signature NetWire
File size:700'928 bytes
First seen:2022-07-07 17:57:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:t1EKSeqWjsZ5uEd2iNnG1ZXDlte8yFErMYNhR46hGO4aW7szpOdaoX1vXnmWtgJJ:RSe/W5X1wbyFEbK6YO4N7sGa2Vn5yJ
Threatray 2'544 similar samples on MalwareBazaar
TLSH T128E40129FB6BDA51D52D1232D0C1897103366A47D113E76BBACB235B641BBF78803B87
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe NetWire

Intelligence


File Origin
# of uploads :
1
# of downloads :
415
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Initial sample is a PE file and has a suspicious name
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
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 Generic Downloader
Yara detected NetWire RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 659189 Sample: Payment Receipt.exe Startdate: 07/07/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 11 other signatures 2->42 7 Payment Receipt.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\mdncbr.exe, PE32 7->26 dropped 28 C:\Users\user\...\mdncbr.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp17DE.tmp, XML 7->30 dropped 32 C:\Users\user\...\Payment Receipt.exe.log, ASCII 7->32 dropped 44 Adds a directory exclusion to Windows Defender 7->44 46 Injects a PE file into a foreign processes 7->46 11 Payment Receipt.exe 7->11         started        14 powershell.exe 24 7->14         started        16 powershell.exe 24 7->16         started        18 2 other processes 7->18 signatures5 process6 dnsIp7 34 185.140.53.61, 3363, 3365, 49760 DAVID_CRAIGGG Sweden 11->34 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8
Threat name:
Win32.Trojan.NetWiredRc
Status:
Malicious
First seen:
2022-07-07 16:05:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet rat stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
185.140.53.61:3363
185.140.53.61:3365
Unpacked files
SH256 hash:
48a46d4feb75335e7455cb6a48b62789b3d0ec4c7c3f8cebae1877288d1fe3a0
MD5 hash:
b2bd90f08c937d799c036ed9d5f8367c
SHA1 hash:
77e67183a8a2345c1a86186412159f6abb76173d
SH256 hash:
3b6bd2902ac16b68ebf1df56fb9d3a010c024b509d054a0560fbbea6f58a9b90
MD5 hash:
c9c59416bb005dd95599d7c18e97ac9c
SHA1 hash:
ba45883a084d64480df0c2eb80abf4032c4dddb2
SH256 hash:
70bb4f8aa7d0a33f8206f78c845fa2bd686c2a0f2b3bd50cd0b6b887a45398ca
MD5 hash:
30d61a3a3e26c2bca2eb766990132d7c
SHA1 hash:
94f9742d5f21b13f7d8d194fe938193cbb6a0d4d
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
SH256 hash:
81a3622df2a114ee18f9f869fcaadb38d0cc21f2abed2cad7a5b41acb5a084ee
MD5 hash:
e3ad7486fa3ae740817bb03e35b39f15
SHA1 hash:
1d234c723e21fa33fa891aeb683ab8689d5437f6
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: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.

Malspam

NetWire

Executable exe 81a3622df2a114ee18f9f869fcaadb38d0cc21f2abed2cad7a5b41acb5a084ee

(this sample)

  
Dropped by
netwire
  
Delivery method
Distributed via e-mail attachment

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