MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a691097198c783bd5a543c0a1462c19245f6d648855e588a359f8b8d8dffca5f. 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: 17


Intelligence 17 IOCs 1 YARA 6 File information Comments

SHA256 hash: a691097198c783bd5a543c0a1462c19245f6d648855e588a359f8b8d8dffca5f
SHA3-384 hash: 808e18e18be7b3486eff02f3f8ee11d1a841350ea97bb024b0c37a01c0e912a19bcc31f1b506684f603be7327d6024ff
SHA1 hash: 5c141bcd95b179095e70b56e3a74adab6e906fa7
MD5 hash: a8f59d6e05899c16a687bdb4ae5b12e2
humanhash: cup-butter-ceiling-football
File name:us.gov.exe
Download: download sample
Signature NetSupport
File size:13'414'697 bytes
First seen:2026-02-25 10:26:26 UTC
Last seen:2026-02-25 13:49:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (47 x BlankGrabber, 23 x Efimer, 19 x PythonStealer)
ssdeep 196608:M14oWUoB9qLZBFslHl7dZgnRMWF3y99TisLkuorW0urH/P/XRLSq2KKeF:M14FSsFl7dCR1C99/LkuH0uDX8W
TLSH T121D633A0A6E811FBF9EE933DC9129592889A35673B45C1D3C3F8D1A12D733C46A3E705
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 smica83
Tags:103-227-84-10 213.176.79.188 exe NetSupport varusa-xyz

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
103.227.84.10:443 https://threatfox.abuse.ch/ioc/1754536/

Intelligence


File Origin
# of uploads :
5
# of downloads :
127
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
PyInstaller
a compiled assembly and a Python version
Malware family:
netsupport
ID:
1
File name:
213.176.79.188:8080/file/
Verdict:
Malicious activity
Analysis date:
2026-02-24 19:33:08 UTC
Tags:
loader netsupport rmm-tool python remote pyinstaller tool

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun netsup
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Searching for synchronization primitives
DNS request
Connection attempt
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug expand expired-cert fingerprint installer-heuristic keylogger lolbin masquerade microsoft_visual_cc overlay packed packed pyinstaller pyinstaller short-lived-cert
Verdict:
Malicious
Labled as:
Win32_NetSupportManager_AD_trojan
Malware family:
NetSupport Ltd
Verdict:
Suspicious
Result
Threat name:
NetSupport RAT
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
84 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Contains functionalty to change the wallpaper
Delayed program exit found
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1874627 Sample: us.gov.exe Startdate: 25/02/2026 Architecture: WINDOWS Score: 84 47 varusa.xyz 2->47 55 Suricata IDS alerts for network traffic 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Joe Sandbox ML detected suspicious sample 2->61 9 us.gov.exe 41 2->9         started        12 Client.exe 2->12         started        signatures3 63 Performs DNS queries to domains with low reputation 47->63 process4 file5 29 C:\Users\user\AppData\...\win32trace.pyd, PE32+ 9->29 dropped 31 C:\Users\user\AppData\...\win32event.pyd, PE32+ 9->31 dropped 33 C:\Users\user\AppData\Local\...\win32api.pyd, PE32+ 9->33 dropped 35 27 other malicious files 9->35 dropped 14 us.gov.exe 21 9->14         started        process6 file7 37 C:\Users\user\AppData\...\remcmdstub.exe, PE32 14->37 dropped 39 C:\Users\user\AppData\Roaming\...\pcicapi.dll, PE32 14->39 dropped 41 C:\Users\user\AppData\...\msvcr100.dll, PE32 14->41 dropped 43 5 other malicious files 14->43 dropped 17 Client.exe 4 14->17         started        21 tasklist.exe 1 14->21         started        23 tasklist.exe 1 14->23         started        process8 dnsIp9 45 varusa.xyz 103.227.84.10, 443, 49697 CNSERVERSUS Hong Kong 17->45 49 Contains functionalty to change the wallpaper 17->49 51 Delayed program exit found 17->51 53 Contains functionality to detect sleep reduction / modifications 17->53 25 conhost.exe 21->25         started        27 conhost.exe 23->27         started        signatures10 process11
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2026-02-24 00:12:44 UTC
File Type:
PE+ (Exe)
Extracted files:
1912
AV detection:
13 of 36 (36.11%)
Threat level:
  2/5
Result
Malware family:
netsupport
Score:
  10/10
Tags:
family:netsupport discovery pyinstaller rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Enumerates processes with tasklist
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
NetSupport
Netsupport family
Unpacked files
SH256 hash:
a691097198c783bd5a543c0a1462c19245f6d648855e588a359f8b8d8dffca5f
MD5 hash:
a8f59d6e05899c16a687bdb4ae5b12e2
SHA1 hash:
5c141bcd95b179095e70b56e3a74adab6e906fa7
SH256 hash:
052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
MD5 hash:
32da96115c9d783a0769312c0482a62d
SHA1 hash:
2ea840a5faa87a2fe8d7e5cb4367f2418077d66b
SH256 hash:
00f57b9910630a7049df821a39c733ca35763d9b11a58e8c0e52b06066a52643
MD5 hash:
46eacdca48274cc56965e2f11cc63d66
SHA1 hash:
305429533557823d54f1cb1766d080b7249b6d99
SH256 hash:
3f9cdacaf03050325aa554e4f7bc769ce2fe9554a06237a1ec8a191bade0bf18
MD5 hash:
f6c814677ed4db067dff7fc05384e861
SHA1 hash:
fb5d0b63e038874533dce2716195cd3f287584e1
SH256 hash:
45532e8ecdccca684dd3b492c58485b0b2987893f5c7a3590c60f5fcaec4a27c
MD5 hash:
0f013074107174edb0b6865e165e93fd
SHA1 hash:
911b8ab198517b72ec02ea4c788adb7ec89bb44d
SH256 hash:
6562585009f15155eea9a489e474cebc4dd2a01a26d846fdd1b93fdc24b0c269
MD5 hash:
051cdb6ac8e168d178e35489b6da4c74
SHA1 hash:
38c171457d160f8a6f26baa668f5c302f6c29cd1
SH256 hash:
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
MD5 hash:
0e37fbfa79d349d672456923ec5fbbe3
SHA1 hash:
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SH256 hash:
a580826b0cdd59387b77f41015a2c54c8bfcdf359c0edc72993a50299918f404
MD5 hash:
394fbd2ae1a6cb460f27d6ff7badf6fc
SHA1 hash:
3574b44482d2fcf61d09d54dd777e9184e171699
SH256 hash:
adc7aeb96dd4c244afc5b354b0100d29d224e3b8a71e88afa281df4be56c36dd
MD5 hash:
e2fa97f0a14465d05004433608ff7218
SHA1 hash:
6cd8f5d8229934a098bc51ab22e60936bd2f22f5
SH256 hash:
bc020b95fc01fae40e13f429eaddeac6c08755399d96d06e9dbea22114eb595c
MD5 hash:
21b42720a156c1ce18019010ecec2a39
SHA1 hash:
1e9bf68e5879a42119c41e99593c800e4efb9fa8
SH256 hash:
d03c41b7f46ef897fad02925251bdce78f1079bb7a1aa2f853704fbe81f759d1
MD5 hash:
684abef8ba635a70a2d0a1ed5735f903
SHA1 hash:
f91829260511f36250f9e248e7e5f9588a76c1dc
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:upxHook
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 a691097198c783bd5a543c0a1462c19245f6d648855e588a359f8b8d8dffca5f

(this sample)

  
Delivery method
Distributed via web download

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