MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d56c5f21bb38cd29f2542cb99edae53a55c8d325d179c6c65a3dcc6e9d0a7782. 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


SimpleHelp


Vendor detections: 13


Intelligence 13 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d56c5f21bb38cd29f2542cb99edae53a55c8d325d179c6c65a3dcc6e9d0a7782
SHA3-384 hash: 367f953c0ab67009525035c918c529535ed3491d4f6ed45b5f58c483968fdd673c727fefeee31c055a05c645d0406b67
SHA1 hash: 5c192771c258f5f8da78cdd1e4cc4212891b8c5f
MD5 hash: 3bd549f290bf51b587a15b14ed237f6e
humanhash: nuts-oscar-seventeen-oregon
File name:ZoomInstallerFull.exe
Download: download sample
Signature SimpleHelp
Create hunting rule
File size:35'601'064 bytes
First seen:2025-09-19 09:33:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da7539752d4292fc084c7d813366cc8b (44 x SimpleHelp)
ssdeep 786432:OYO/jkCgBhtUKPUOFMJGe5cfD7aR65lIBE7ZVWhro/fraaXcz:K/jkCgpPUK8PyL7M8aE1VWhroHFcz
TLSH T15A773324FAA16DBEDF33D5FCC4464147AA5AA4A70389211327F149D68F207D0862FFAD
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter cocaman
Tags:exe signed SimpleHelp Zoom

Code Signing Certificate

Organisation:SimpleHelp Ltd
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2024-03-18T00:00:00Z
Valid to:2027-03-19T23:59:59Z
Serial number: 02cfb51c29be655fb49ca39771c2be71
Intelligence: 45 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 8e186606242b40e76a7cc652fc04d49291b68091feb74e921c634c68d636c61c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ZoomInstallerFull.exe
Verdict:
Malicious activity
Analysis date:
2025-09-19 09:35:48 UTC
Tags:
simplehelp rmm-tool antivm
Link:
https://app.any.run/tasks/59789ced-2c6d-4b60-a069-e7d773b58348

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cd23c16b621794b130ddc2
Tags:
dropper spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Connection attempt
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Moving a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Creating a service
Launching a service
Searching for synchronization primitives
Creating a process with a hidden window
Delayed reading of the file
Creating a file in the Windows subdirectories
Sending a UDP request
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Сreating synchronization primitives
Launching the process to change the firewall settings
Enabling autorun for a service
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context base64 fingerprint microsoft_visual_cc overlay overlay signed
Link:
https://www.filescan.io/uploads/68cd23b773af424b47e75442/reports/b4fe1e90-66cd-4e7f-9e17-9dc85cd17a4f/overview
Verdict:
Malicious
Labled as:
Win64/SimpleHelp.I trojan
Link:
https://www.hybrid-analysis.com/sample/d56c5f21bb38cd29f2542cb99edae53a55c8d325d179c6c65a3dcc6e9d0a7782
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-19T07:49:00Z UTC
Last seen:
2025-09-19T07:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d56c5f21bb38cd29f2542cb99edae53a55c8d325d179c6c65a3dcc6e9d0a7782/results?tab=lookup
Result
Threat name:
SimpleHelpRemoteAdmin
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1780638
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionalty to change the wallpaper
Creates files in the system32 config directory
Enables network access during safeboot for specific services
Joe Sandbox ML detected suspicious sample
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Queries memory information (via WMI 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 service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Uses netsh to modify the Windows network and firewall settings
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1780638 Sample: ZoomInstallerFull.exe Startdate: 19/09/2025 Architecture: WINDOWS Score: 92 111 Multi AV Scanner detection for submitted file 2->111 113 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 2->113 115 Contains functionalty to change the wallpaper 2->115 117 6 other signatures 2->117 9 ZoomInstallerFull.exe 362 2->9         started        13 SimpleService.exe 2->13         started        15 svchost.exe 2->15         started        18 4 other processes 2->18 process3 dnsIp4 107 127.0.0.1 unknown unknown 9->107 95 C:\...\Remote AccessWinLauncher.exe, PE32+ 9->95 dropped 97 C:\ProgramData\...\jwutils_win64.dll, PE32+ 9->97 dropped 99 C:\ProgramData\...\jwutils_win32.dll, PE32 9->99 dropped 101 100 other files (17 malicious) 9->101 dropped 20 Remote Access.exe 9 16 9->20         started        23 icacls.exe 1 9->23         started        25 icacls.exe 1 9->25         started        33 2 other processes 9->33 27 Remote Access Service.exe 13->27         started        29 Remote Access Service.exe 13->29         started        123 Changes security center settings (notifications, updates, antivirus, firewall) 15->123 31 MpCmdRun.exe 15->31         started        file5 signatures6 process7 file8 89 C:\ProgramData\...\SimpleService.exe, PE32 20->89 dropped 91 C:\...\StopSimpleGatewayService.exe, PE32+ 20->91 dropped 93 C:\ProgramData\...\Remote Access Service.exe, PE32+ 20->93 dropped 35 SimpleService.exe 20->35         started        38 icacls.exe 20->38         started        40 icacls.exe 20->40         started        54 7 other processes 20->54 42 conhost.exe 23->42         started        44 conhost.exe 25->44         started        46 Remote Access.exe 27->46         started        50 Remote Access.exe 29->50         started        52 conhost.exe 31->52         started        process9 dnsIp10 119 Enables network access during safeboot for specific services 35->119 56 conhost.exe 38->56         started        58 conhost.exe 40->58         started        109 77.90.185.31, 80 M247GB Germany 46->109 103 C:\ProgramData\SimpleHelp\...\elev_win.exe, PE32 46->103 dropped 105 C:\ProgramData\...\SimpleService.exe, PE32 46->105 dropped 60 netsh.exe 46->60         started        63 icacls.exe 46->63         started        65 icacls.exe 46->65         started        71 8 other processes 46->71 67 conhost.exe 54->67         started        69 conhost.exe 54->69         started        73 4 other processes 54->73 file11 signatures12 process13 signatures14 121 Creates files in the system32 config directory 60->121 75 conhost.exe 60->75         started        77 conhost.exe 63->77         started        79 conhost.exe 65->79         started        81 conhost.exe 71->81         started        83 conhost.exe 71->83         started        85 conhost.exe 71->85         started        87 5 other processes 71->87 process15
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d56c5f21bb38cd29f2542cb99edae53a55c8d325d179c6c65a3dcc6e9d0a7782
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2vwf6in3hdgst4sufs4z5wxfhjk4ruzf2f44nrs2hxgg5hiko6ba._file
Verdict:
malicious
Label(s):
admintool_simplehelp
Create hunting rule
Similar samples:
error
SimpleHelp
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/250919-lj5y4aytgw/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Checks installed software on the system
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Modifies Windows Firewall
Modifies file permissions
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/05e81cfd-4d56-47a1-ae81-d8646b4e8da9
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/d56c5f21bb38cd29f2542cb99edae53a55c8d325d179c6c65a3dcc6e9d0a7782

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:AlternativesExample1
Create hunting rule
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

  
Delivery method
Distributed via e-mail link

Comments


Avatar
Corsin Camichel commented on 2025-09-19 09:34:46 UTC

Source: https://video.collaborateenterprise.org/zoomv5.2025/Windows/ZoomInstallerFull.exe