MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74. 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


NetSupport


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74
SHA3-384 hash: 7cfbd0c00e8e941d118b248419663e843882f74881707e99ed41b0827b138f91bc48eda0f8e984090b59b44e0171d2c3
SHA1 hash: 8b105845550efe89c51d8f7ba269d9d077d3a59d
MD5 hash: fec0fc54e19faa3a08692e09cb2e9863
humanhash: seventeen-saturn-asparagus-angel
File name:file
Download: download sample
Signature NetSupport
Create hunting rule
File size:2'615'808 bytes
First seen:2024-03-25 14:36:17 UTC
Last seen:2024-03-25 16:41:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4328f7206db519cd4e82283211d98e83 (533 x RedLineStealer, 18 x Arechclient2, 15 x DCRat)
ssdeep 49152:i9xpDbvfxZNEYMEoXhheKEyaIC1yR8fxOdPK2KNdM9s3et6mmj7j:uxl7xYY2oxyynj2KNIwD
TLSH T1EFC501B7344515E2F53D1BF12BC2AA775ADE6E3F0CC5198826DD32F494B222182AD12F
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c8e2eae6e292c2ee (14 x ArkeiStealer, 10 x RedLineStealer, 3 x Vidar)
Reporter Bitsight
Tags:exe NetSupport zmezzw-duckdns-org


Avatar
Bitsight
url: https://vk.com/doc329118071_676282998?hash=CTO6GiIkgNiCDSpxT8vjPUakK3krbeg7KA5Mde4lEFk&dl=vW4ZWbBJ6nPHfLhWct9ZeLq65ttDajYULYYWvOoBPxc&api=1&no_preview=1#cofig

Intelligence

File Origin
# of uploads :
3
# of downloads :
323
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74.exe
Verdict:
Malicious activity
Analysis date:
2024-03-25 14:39:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/faa9910f-4b59-4d8b-93f0-9815d27c8744

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

Behaviour
Searching for analyzing tools
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed themidawinlicense
Link:
https://www.filescan.io/uploads/66018c10e267e4ac5089f644/reports/b937a3eb-9b43-4110-be51-c588088b6b0a/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74
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/f99578f1-f3e8-4bab-9fab-e7de78bb060b
Result
Threat name:
NetSupport RAT
Create hunting rule
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1415186
Signature
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to automate explorer (e.g. start an application)
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
Drops HTML or HTM files to system directories
Drops password protected ZIP file
Enables network access during safeboot for specific services
Found stalling execution ending in API Sleep call
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries memory information (via WMI often done to detect virtual machines)
Queries pointing device information (via WMI, Win32_PointingDevice, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive sound device information (via WMI, Win32_SoundDevice, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Uses cmd line tools excessively to alter registry or file data
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1415186 Sample: file.exe Startdate: 25/03/2024 Architecture: WINDOWS Score: 100 71 Multi AV Scanner detection for dropped file 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 Queries sensitive sound device information (via WMI, Win32_SoundDevice, often done to detect virtual machines) 2->75 77 11 other signatures 2->77 8 msiexec.exe 206 240 2->8         started        12 file.exe 15 9 2->12         started        15 client32.exe 2->15         started        process3 dnsIp4 47 C:\Windows\Installer\...\ARPPRODUCTICON.exe, PE32 8->47 dropped 49 C:\Windows\Installer\MSIEDAA.tmp, PE32 8->49 dropped 51 C:\Windows\Installer\MSIEB28.tmp, PE32 8->51 dropped 55 166 other files (108 malicious) 8->55 dropped 95 Uses cmd line tools excessively to alter registry or file data 8->95 97 Drops executables to the windows directory (C:\Windows) and starts them 8->97 99 Sample is not signed and drops a device driver 8->99 17 MSIC7E.tmp 16 13 8->17         started        21 pcicfgui_client.exe 8->21         started        23 MSIE4F7.tmp 8->23         started        29 6 other processes 8->29 63 198.187.29.22 NAMECHEAP-NETUS United States 12->63 101 Detected unpacking (changes PE section rights) 12->101 103 Query firmware table information (likely to detect VMs) 12->103 105 Tries to detect sandboxes and other dynamic analysis tools (window names) 12->105 109 4 other signatures 12->109 25 msiexec.exe 12->25         started        65 51.195.145.91 OVHFR France 15->65 67 104.26.0.231 CLOUDFLARENETUS United States 15->67 53 C:\Windows\SysWOW64\config\...\loca[1].htm, ASCII 15->53 dropped 107 Drops HTML or HTM files to system directories 15->107 27 client32.exe 15->27         started        file5 signatures6 process7 file8 45 C:\Windows\SysWOW64\pcimsg.dll, PE32 17->45 dropped 79 Found stalling execution ending in API Sleep call 17->79 81 Contains functionality to automate explorer (e.g. start an application) 17->81 83 Enables network access during safeboot for specific services 17->83 31 winst64.exe 17->31         started        85 Hides threads from debuggers 21->85 87 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 21->87 35 pcicfgui_client.exe 21->35         started        89 Query firmware table information (likely to detect VMs) 27->89 91 Checks if the current machine is a virtual machine (disk enumeration) 27->91 37 cscript.exe 27->37         started        93 Uses cmd line tools excessively to alter registry or file data 29->93 39 conhost.exe 29->39         started        41 attrib.exe 1 29->41         started        signatures9 process10 file11 57 C:\Windows\System32\drivers\nskbfltr2.sys, PE32+ 31->57 dropped 59 C:\Windows\System32\drivers\nskbfltr.sys, PE32+ 31->59 dropped 61 C:\Windows\System32\client32provider.dll, PE32+ 31->61 dropped 69 Sample is not signed and drops a device driver 31->69 43 conhost.exe 37->43         started        signatures12 process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-03-25 13:07:45 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e4ovdhp7ru5h3nj3feohgrp5wbp4pkor4odc5idtfb4xnikpzn2a._file
Verdict:
suspicious
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion themida trojan
Link:
https://tria.ge/reports/240325-ry5jrsah48/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Checks BIOS information in registry
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
6851e02d3f4b8179b975f00bbc86602a2f2f84524f548876eb656db7ea5eaa9c
MD5 hash:
c5124caf4aea3a83b63a9108fe0dcef8
SHA1 hash:
a43a5a59038fca5a63fa526277f241f855177ce6
Link:
https://www.unpac.me/results/82e40f52-d4d6-454e-bfe0-5bace28bfaff/
SH256 hash:
698e4beeba26363e632cbbb833fc8000cf85ab5449627bf0edc8203f05a64fa1
MD5 hash:
11bbdf80d756b3a877af483195c60619
SHA1 hash:
99aca4f325d559487abc51b0d2ebd4dca62c9462
Link:
https://www.unpac.me/results/82e40f52-d4d6-454e-bfe0-5bace28bfaff/
SH256 hash:
271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74
MD5 hash:
fec0fc54e19faa3a08692e09cb2e9863
SHA1 hash:
8b105845550efe89c51d8f7ba269d9d077d3a59d
Detections:
INDICATOR_EXE_Packed_Themida
Create hunting rule
Link:
https://www.unpac.me/results/82e40f52-d4d6-454e-bfe0-5bace28bfaff/
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/271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74

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_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:NET
Create hunting rule
Author:malware-lu

File information

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

Web download

NetSupport

Executable exe 271d519dff8d3a7db53b291c7345fdb05fc7a9d1e3862ea073287976a14fcb74

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2786389/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (NX_COMPAT)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high

Comments