MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21. 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: 15


Intelligence 15 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21
SHA3-384 hash: 6c58426bdec22f7a71fb9663878e057ca18d8c884cafe6b2c66621a82411b5e0a42c70764bc72780bb667e737c4321fa
SHA1 hash: 1efe6b617b20f1cebe4c471d099ea3f1986ee218
MD5 hash: 5ccd38b39a45ab1242129fe7f6bed6ac
humanhash: beer-johnny-two-three
File name:us.gov.exe
Download: download sample
Signature NetSupport
Create hunting rule
File size:13'422'219 bytes
First seen:2026-02-27 01:25:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (47 x BlankGrabber, 23 x Efimer, 19 x PythonStealer)
ssdeep 196608:I14oWUoB9qLZBFslHl7dZgnRMWF3y99TisLkuorLOIwFurH/P/XRLSq2KKeF:I14FSsFl7dCR1C99/LkuXIuuDX8W
TLSH T1DAD633A0A6E815FBF9EAD33DC861D592C89A75663B49C183D3F8D1A02C733C4697E704
TrID 55.7% (.EXE) InstallShield setup (43053/19/16)
21.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (6522/11/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe NetSupport


Avatar
abuse_ch
NetSupport C2:
45.131.214.60:443

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
45.131.214.60:443 https://threatfox.abuse.ch/ioc/1755251/

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
PyInstaller
a compiled assembly and a Python version
Link:
https://research.acce.ciphertechsolutions.com/results/7f68e1ff-f9ae-4a24-88b7-c7118ff06374/
Malware family:
netsupport
Create hunting rule
ID:
1
File name:
_a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21.exe
Verdict:
Malicious activity
Analysis date:
2026-02-27 01:27:21 UTC
Tags:
anti-evasion netsupport rmm-tool python pyinstaller wmi-base64 auto-startup remote tool
Link:
https://app.any.run/tasks/0ea56ade-009c-4117-b140-f1a5a0fe4394

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/54792/
Detection(s):
SecuriteInfo.com.Variant.Application.Tedy.3948.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a0f2898fffa866e3b291dc
Tags:
vmdetect autorun netsup
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm expand expired-cert fingerprint installer-heuristic keylogger lolbin masquerade microsoft_visual_cc overlay packed packed pyinstaller pyinstaller short-lived-cert
Link:
https://www.filescan.io/uploads/69a0f28510e80629d4f487aa/reports/cf6d69da-994c-48e7-bf16-edaa51da4b15/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
Detections:
BSS:Trojan.Win32.Generic HEUR:Trojan.Script.NetSup.gen not-a-virus:HEUR:RemoteAdmin.Win32.NetSup.gen
Link:
https://opentip.kaspersky.com/a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21/results?tab=lookup
Malware family:
NetSupport Ltd
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c7c607a4-a532-4e4a-9581-d0c829dfac74
Result
Threat name:
NetSupport RAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1875722
Signature
Bypasses PowerShell execution policy
Contains functionality to detect sleep reduction / modifications
Contains functionalty to change the wallpaper
Delayed program exit found
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1875722 Sample: us.gov.exe Startdate: 27/02/2026 Architecture: WINDOWS Score: 100 64 varusa.xyz 2->64 72 Suricata IDS alerts for network traffic 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Joe Sandbox ML detected suspicious sample 2->78 9 us.gov.exe 41 2->9         started        13 Client.exe 2->13         started        signatures3 80 Performs DNS queries to domains with low reputation 64->80 process4 file5 42 C:\Users\user\AppData\...\win32trace.pyd, PE32+ 9->42 dropped 44 C:\Users\user\AppData\...\win32event.pyd, PE32+ 9->44 dropped 46 C:\Users\user\AppData\Local\...\win32api.pyd, PE32+ 9->46 dropped 48 27 other malicious files 9->48 dropped 96 Uses cmd line tools excessively to alter registry or file data 9->96 98 Bypasses PowerShell execution policy 9->98 15 us.gov.exe 33 9->15         started        signatures6 process7 file8 50 C:\Users\user\AppData\...\remcmdstub.exe, PE32 15->50 dropped 52 C:\Users\user\AppData\Roaming\...\pcicapi.dll, PE32 15->52 dropped 54 C:\Users\user\AppData\...\msvcr100.dll, PE32 15->54 dropped 56 5 other malicious files 15->56 dropped 70 Uses cmd line tools excessively to alter registry or file data 15->70 19 Client.exe 15->19         started        23 powershell.exe 23 15->23         started        25 powershell.exe 23 15->25         started        27 25 other processes 15->27 signatures9 process10 dnsIp11 66 varusa.xyz 45.131.214.60, 443, 49737 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 19->66 82 Multi AV Scanner detection for dropped file 19->82 84 Contains functionalty to change the wallpaper 19->84 86 Delayed program exit found 19->86 88 Contains functionality to detect sleep reduction / modifications 19->88 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->90 92 Loading BitLocker PowerShell Module 23->92 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        68 192.168.2.4, 138, 443, 49711 unknown unknown 27->68 94 Tries to detect sandboxes / dynamic malware analysis system (registry check) 27->94 33 chrome.exe 27->33         started        36 conhost.exe 27->36         started        38 conhost.exe 27->38         started        40 22 other processes 27->40 signatures12 process13 dnsIp14 58 www.google.com 192.178.50.36, 443, 49738 GOOGLEUS United States 33->58 60 e7202.dsca.akamaiedge.net 23.34.201.239, 443, 49727, 49728 BACOMCA United States 33->60 62 2 other IPs or domains 33->62
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21/
Verdict:
Malicious
Threat:
Family.NETSUPPORT
Link:
https://tip.neiki.dev/file/a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uvmljot5jmmm5ihwtwvkbtkderkp2gfy6rtvalruspy6ib2gbuqq._file
Result
Malware family:
netsupport
Create hunting rule
Score:
  10/10
Tags:
family:netsupport defense_evasion discovery execution pyinstaller rat
Link:
https://tria.ge/reports/260227-bs51cafs9f/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Enumerates processes with tasklist
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Looks for VMWare Tools registry key
Looks for VMWare drivers on disk
Looks for VMWare services registry key.
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Looks for VirtualBox Guest Additions in registry
Looks for VirtualBox drivers on disk
NetSupport
Netsupport family
Unpacked files
SH256 hash:
a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21
MD5 hash:
5ccd38b39a45ab1242129fe7f6bed6ac
SHA1 hash:
1efe6b617b20f1cebe4c471d099ea3f1986ee218
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
00f57b9910630a7049df821a39c733ca35763d9b11a58e8c0e52b06066a52643
MD5 hash:
46eacdca48274cc56965e2f11cc63d66
SHA1 hash:
305429533557823d54f1cb1766d080b7249b6d99
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
3f9cdacaf03050325aa554e4f7bc769ce2fe9554a06237a1ec8a191bade0bf18
MD5 hash:
f6c814677ed4db067dff7fc05384e861
SHA1 hash:
fb5d0b63e038874533dce2716195cd3f287584e1
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
45532e8ecdccca684dd3b492c58485b0b2987893f5c7a3590c60f5fcaec4a27c
MD5 hash:
0f013074107174edb0b6865e165e93fd
SHA1 hash:
911b8ab198517b72ec02ea4c788adb7ec89bb44d
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
6562585009f15155eea9a489e474cebc4dd2a01a26d846fdd1b93fdc24b0c269
MD5 hash:
051cdb6ac8e168d178e35489b6da4c74
SHA1 hash:
38c171457d160f8a6f26baa668f5c302f6c29cd1
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
MD5 hash:
0e37fbfa79d349d672456923ec5fbbe3
SHA1 hash:
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
a580826b0cdd59387b77f41015a2c54c8bfcdf359c0edc72993a50299918f404
MD5 hash:
394fbd2ae1a6cb460f27d6ff7badf6fc
SHA1 hash:
3574b44482d2fcf61d09d54dd777e9184e171699
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
adc7aeb96dd4c244afc5b354b0100d29d224e3b8a71e88afa281df4be56c36dd
MD5 hash:
e2fa97f0a14465d05004433608ff7218
SHA1 hash:
6cd8f5d8229934a098bc51ab22e60936bd2f22f5
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
bc020b95fc01fae40e13f429eaddeac6c08755399d96d06e9dbea22114eb595c
MD5 hash:
21b42720a156c1ce18019010ecec2a39
SHA1 hash:
1e9bf68e5879a42119c41e99593c800e4efb9fa8
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
SH256 hash:
d03c41b7f46ef897fad02925251bdce78f1079bb7a1aa2f853704fbe81f759d1
MD5 hash:
684abef8ba635a70a2d0a1ed5735f903
SHA1 hash:
f91829260511f36250f9e248e7e5f9588a76c1dc
Link:
https://www.unpac.me/results/b1ca13cb-26ca-446d-a1d8-1a4b1b0700b6/
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/a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Web download

NetSupport

Executable exe a558b4ba7d4b18cea0f69daaa0cd432454fd18b8f467502e3493f1e407460d21

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3785599/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/54792/

Comments