MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a805ae3cfc933daaacaed4e87c4d4409ef48d93dc19d32964c6b3f96467ac34d. 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


AteraAgent


Vendor detections: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a805ae3cfc933daaacaed4e87c4d4409ef48d93dc19d32964c6b3f96467ac34d
SHA3-384 hash: e22e1d5a975844ecfe6b151de0f3dfee5eb041434cf637b2ace5695d57665848eeab6f3c4b5f329d22ce30523f3173ad
SHA1 hash: c60bbf4f1d40a4667115a9f839711393400a78e5
MD5 hash: 2cf95d2695b38459229166ca17b73d54
humanhash: sink-fanta-robin-eighteen
File name:PDF-087.msi
Download: download sample
Signature AteraAgent
Create hunting rule
File size:2'994'176 bytes
First seen:2025-05-09 11:29:37 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:T+1Ypn4N2MGVv1zyIBWGppT9jnMHRjOOozjcqZJN8dUZTwYaH7oqPxMbY+K/tzQz:T+lUlz9FKbsodq0YaH7ZPxMb8tT
Threatray 235 similar samples on MalwareBazaar
TLSH T16AD523117584483AE37B0A358D7ADAA05E7DFE605B70CA8E9308741E2D705C1AB76FB3
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter FXOLabs
Tags:AteraAgent msi signed

Code Signing Certificate

Organisation:Atera Networks Ltd
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2025-01-23T00:00:00Z
Valid to:2026-01-22T23:59:59Z
Serial number: 09d3cbf84332886ff689b04baf7f768c
Intelligence: 45 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 9e1bec8810871217689196b90d12b43e62df343f2c8d886bf588f9d37a8d8d9a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
BR BR
Vendor Threat Intelligence
Detection(s):
PUA.Win.File.AteraRemoteAdmin-9942568-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681de8274a59e5a2ce03414b
Tags:
shellcode virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm cmd expand expired-cert fingerprint installer lolbin lolbin reconnaissance rundll32 signed
Link:
https://www.filescan.io/uploads/681de7580b64e174c41f9274/reports/b5c379bf-84f4-4049-8654-127fc30c38fd/overview
Verdict:
Suspicious
Labled as:
Unwanted/BIN.RemoteAdmin
Link:
https://www.hybrid-analysis.com/sample/a805ae3cfc933daaacaed4e87c4d4409ef48d93dc19d32964c6b3f96467ac34d
Result
Threat name:
AteraAgent
Create hunting rule
Detection:
malicious
Classification:
rans.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1685295
Signature
.NET source code contains very large array initializations
Changes security center settings (notifications, updates, antivirus, firewall)
Creates files in the system32 config directory
Enables network access during safeboot for specific services
Installs Task Scheduler Managed Wrapper
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive service information (via WMI, WIN32_SERVICE, often done to detect sandboxes)
Queries sensitive sound device information (via WMI, Win32_SoundDevice, often done to detect virtual machines)
Reads the Security eventlog
Reads the System eventlog
Sample is not signed and drops a device driver
Sigma detected: Suspicious Script Execution From Temp Folder
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Writes many files with high entropy
Yara detected AteraAgent
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1685295 Sample: PDF-087.msi Startdate: 09/05/2025 Architecture: WINDOWS Score: 100 155 Malicious sample detected (through community Yara rule) 2->155 157 Multi AV Scanner detection for dropped file 2->157 159 Multi AV Scanner detection for submitted file 2->159 161 9 other signatures 2->161 9 msiexec.exe 501 912 2->9         started        13 AteraAgent.exe 2->13         started        16 AteraAgent.exe 2->16         started        18 9 other processes 2->18 process3 dnsIp4 99 C:\Windows\Installer\...\ARPPRODUCTICON.exe, PE32 9->99 dropped 101 C:\Windows\Installer\MSIF785.tmp, PE32 9->101 dropped 103 C:\Windows\Installer\MSIF521.tmp, PE32 9->103 dropped 111 464 other malicious files 9->111 dropped 173 Sample is not signed and drops a device driver 9->173 20 msiexec.exe 9->20         started        24 msiexec.exe 9->24         started        26 AteraAgent.exe 9->26         started        29 msiexec.exe 9->29         started        143 18.154.206.70 AMAZON-02US United States 13->143 105 C:\...\System.Management.dll, PE32 13->105 dropped 107 C:\...107ewtonsoft.Json.dll, PE32 13->107 dropped 109 C:\...\Microsoft.Win32.TaskScheduler.dll, PE32 13->109 dropped 113 368 other malicious files 13->113 dropped 175 Installs Task Scheduler Managed Wrapper 13->175 31 sc.exe 13->31         started        145 199.232.214.172 FASTLYUS United States 16->145 147 18.154.206.10 AMAZON-02US United States 16->147 149 52.9.63.135 AMAZON-02US United States 16->149 115 42 other malicious files 16->115 dropped 177 Creates files in the system32 config directory 16->177 179 Reads the Security eventlog 16->179 181 Reads the System eventlog 16->181 33 AgentPackageSTRemote.exe 16->33         started        35 AgentPackageAgentInformation.exe 16->35         started        37 AgentPackageAgentInformation.exe 16->37         started        39 3 other processes 16->39 151 184.29.183.29 AKAMAI-ASUS United States 18->151 153 127.0.0.1 unknown unknown 18->153 183 Changes security center settings (notifications, updates, antivirus, firewall) 18->183 file5 signatures6 process7 dnsIp8 79 C:\...\SRCredentialProvider.dll (copy), PE32+ 20->79 dropped 81 C:\Windows\Temp\...\_isres_0x0409.dll, PE32 20->81 dropped 83 C:\Windows\Temp\...\_is79B3.exe, PE32+ 20->83 dropped 91 14 other malicious files 20->91 dropped 163 Enables network access during safeboot for specific services 20->163 49 7 other processes 20->49 41 rundll32.exe 24->41         started        51 3 other processes 24->51 137 72.247.234.254 AKAMAI-ASUS United States 26->137 85 C:\Windows\System32\InstallUtil.InstallLog, Unicode 26->85 dropped 87 C:\...\AteraAgent.InstallLog, Unicode 26->87 dropped 165 Reads the Security eventlog 26->165 167 Reads the System eventlog 26->167 54 2 other processes 29->54 45 conhost.exe 31->45         started        139 52.223.39.232 AMAZONEXPANSIONGB United States 33->139 141 3.168.132.18 AMAZON-02US United States 33->141 89 C:\Windows\Temp\SplashtopStreamer.exe, PE32 33->89 dropped 169 Creates files in the system32 config directory 33->169 56 2 other processes 33->56 171 Tries to detect sandboxes / dynamic malware analysis system (Installed program check) 35->171 58 4 other processes 35->58 47 conhost.exe 37->47         started        60 3 other processes 39->60 file9 signatures10 process11 dnsIp12 117 C:\Windows\...\System.Management.dll, PE32 41->117 dropped 119 C:\Windows\Installer\...119ewtonsoft.Json.dll, PE32 41->119 dropped 121 Microsoft.Deployme...indowsInstaller.dll, PE32 41->121 dropped 123 C:\...\AlphaControlAgentInstallation.dll, PE32 41->123 dropped 185 System process connects to network (likely due to code injection or exploit) 41->185 135 20.37.139.187 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 51->135 125 C:\Windows\...\System.Management.dll, PE32 51->125 dropped 127 C:\Windows\Installer\...127ewtonsoft.Json.dll, PE32 51->127 dropped 129 Microsoft.Deployme...indowsInstaller.dll, PE32 51->129 dropped 133 9 other malicious files 51->133 dropped 62 conhost.exe 54->62         started        64 net1.exe 54->64         started        66 conhost.exe 54->66         started        131 C:\Windows\Temp\unpack\PreVerCheck.exe, PE32 56->131 dropped 68 PreVerCheck.exe 56->68         started        71 conhost.exe 58->71         started        73 conhost.exe 58->73         started        75 cscript.exe 58->75         started        file13 signatures14 process15 file16 93 C:\Windows\Temp\unpack\libssl-3.dll, PE32 68->93 dropped 95 C:\Windows\Temp\unpack\libcrypto-3.dll, PE32 68->95 dropped 97 C:\Windows\Temp\unpack\SRSocketCtrl.dll, PE32 68->97 dropped 77 msiexec.exe 68->77         started        process17
Score:
1%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/a805ae3cfc933daaacaed4e87c4d4409ef48d93dc19d32964c6b3f96467ac34d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a805ae3cfc933daaacaed4e87c4d4409ef48d93dc19d32964c6b3f96467ac34d/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vac24ph4sm62vlfo2tuhytkebhxurwj5ygotffsmnm7zmrt2yngq._file
Verdict:
malicious
Label(s):
ateraagent
Create hunting rule
Similar samples:
2ba7c24b984423bda7b4982b3b6e230a6c0f2dae44b580c6f02d133e625fd3bb
AteraAgent
3809affad6dc10de4613edb2c172f47b641b0393270a129b24683ccd30fb39d7
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60a7462362c166a19f7b21254568c90c3d4ef5d27b624f68254180c0d4e01e3b
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9104930a661af5e641ad911fc30c0887433713ea589e389f06cbd5bb0a7ed5ad
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a6b86df4bdf042ad8fd4b5662d93b0359bb3e2f747081f7ca31408d5d9e4bda7
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error
AteraAgent
fc706bcf6b6c9c787c723bd168c74ca7ebc228962f78b6f57225b7a45c2dc5e7
AteraAgent
+ 225 additional samples on MalwareBazaar
Result
Malware family:
ateraagent
Create hunting rule
Score:
  10/10
Tags:
family:ateraagent bootkit discovery execution persistence privilege_escalation rat upx
Link:
https://tria.ge/reports/250509-nmd1wsdl9t/
Behaviour
Checks SCSI registry key(s)
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
System Time Discovery
Checks installed software on the system
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Launches sc.exe
Loads dropped DLL
Drops file in System32 directory
Event Triggered Execution: Component Object Model Hijacking
UPX packed file
Downloads MZ/PE file
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Blocklisted process makes network request
AteraAgent
Ateraagent family
Detects AteraAgent
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1756b78f-b8f1-4290-9fba-059c5840c999
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/a805ae3cfc933daaacaed4e87c4d4409ef48d93dc19d32964c6b3f96467ac34d

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:AteraAgent_RemoteAdmin_April_2024
Create hunting rule
Author:NDA0
Description:Detects AteraAgent Remote Admin Tool
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

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