MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef51a99f8eea6c19f9671af1744ba49f51fcee9ab660b1dc651c83f827c24d02. 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


EternalRocks


Vendor detections: 8


Intelligence 8 IOCs YARA 8 File information Comments
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SHA256 hash: ef51a99f8eea6c19f9671af1744ba49f51fcee9ab660b1dc651c83f827c24d02
SHA3-384 hash: 1c9c86c94c9ffa7f8c9c06f6dec77619f5ed7af2d388b0a16373286202ca51278d6e20811e6fa67bdbe54d8f31b03088
SHA1 hash: f1f7f32f2b7794860f39b9577f0a16680307dcb5
MD5 hash: 7128142368db3e38b1f6071fdb3e21b6
humanhash: network-kilo-illinois-oscar
File name:VANTAGENS_BBCLIENTES00001S4D444400000S.msi
Download: download sample
Signature EternalRocks
Create hunting rule
File size:2'994'176 bytes
First seen:2024-07-11 18:32:04 UTC
Last seen:2024-07-11 19:28:20 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:u+1Ypn4N2MGVv1zyIBWGppT9jnMHRjOOozjcqZJN8dUZTwYaH7oqPxMbY+K/tzQz:u+lUlz9FKbsodq0YaH7ZPxMb8tT
TLSH T173D523117584483AE37B0A358D7AD6A05E7DFE605B70CA8E9308741E2E745C0AB76FB3
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)
Reporter FXOLabs
Tags:AteraAgent EternalRocks msi signed

Code Signing Certificate

Organisation:Atera Networks Ltd
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2024-02-15T00:00:00Z
Valid to:2025-03-18T23:59:59Z
Serial number: 0a28499978e5898df40a238eb8a552e8
Intelligence: 70 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: f166bf0cc1fb75ea35db8fb76143a4946a63ff5b1720f787b99014d4777d81d7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
BR BR
Vendor Threat Intelligence
Detection(s):
PUA.Win.File.AteraRemoteAdmin-9942568-0
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6690255f50cbfd4734a8b443win7simulatehigh_evasion
Tags:
n/a
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/ef51a99f8eea6c19f9671af1744ba49f51fcee9ab660b1dc651c83f827c24d02
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/ef51a99f8eea6c19f9671af1744ba49f51fcee9ab660b1dc651c83f827c24d02
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AteraAgent
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1471764
Signature
AI detected suspicious sample
Bypasses PowerShell execution policy
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Creates files in the system32 config directory
Found suspicious powershell code related to unpacking or dynamic code loading
Installs Task Scheduler Managed Wrapper
Loading BitLocker PowerShell Module
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
Yara detected AteraAgent
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1471764 Sample: VANTAGENS_BBCLIENTES00001S4... Startdate: 11/07/2024 Architecture: WINDOWS Score: 100 112 ps.pndsn.com 2->112 114 ps.atera.com 2->114 116 4 other IPs or domains 2->116 126 Malicious sample detected (through community Yara rule) 2->126 128 Multi AV Scanner detection for dropped file 2->128 130 Multi AV Scanner detection for submitted file 2->130 132 9 other signatures 2->132 9 AteraAgent.exe 2->9         started        14 msiexec.exe 82 43 2->14         started        16 AteraAgent.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 dnsIp5 118 108.139.243.36, 443, 51518, 51519 AMAZON-02US United States 9->118 120 18.239.36.2, 443, 51357, 51358 AMAZON-02US United States 9->120 94 C:\Program Files (x86)\...\netstandard.dll, PE32 9->94 dropped 96 C:\...\System.Diagnostics.Tracing.dll, PE32 9->96 dropped 98 C:\...\System.Diagnostics.TraceSource.dll, PE32 9->98 dropped 106 38 other malicious files 9->106 dropped 140 Installs Task Scheduler Managed Wrapper 9->140 20 sc.exe 9->20         started        100 C:\Windows\Installer\MSI7B62.tmp, PE32 14->100 dropped 102 C:\Windows\Installer\MSI63CE.tmp, PE32 14->102 dropped 104 C:\Windows\Installer\MSI5759.tmp, PE32 14->104 dropped 108 20 other files (17 malicious) 14->108 dropped 22 msiexec.exe 14->22         started        24 AteraAgent.exe 6 7 14->24         started        28 msiexec.exe 14->28         started        122 d25btwd9wax8gu.cloudfront.net 143.204.68.99, 443, 50690, 50771 AMAZON-02US United States 16->122 124 ps.pndsn.com 35.157.63.227, 443, 49769, 49770 AMAZON-02US United States 16->124 110 4 other malicious files 16->110 dropped 142 Creates files in the system32 config directory 16->142 144 Reads the Security eventlog 16->144 146 Reads the System eventlog 16->146 30 AgentPackageAgentInformation.exe 16->30         started        32 AgentPackageAgentInformation.exe 16->32         started        34 sc.exe 16->34         started        36 2 other processes 16->36 148 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 18->148 file6 signatures7 process8 file9 38 conhost.exe 20->38         started        40 rundll32.exe 15 9 22->40         started        50 3 other processes 22->50 74 C:\Windows\System32\InstallUtil.InstallLog, Unicode 24->74 dropped 76 C:\...\AteraAgent.InstallLog, Unicode 24->76 dropped 134 Reads the Security eventlog 24->134 136 Reads the System eventlog 24->136 52 2 other processes 28->52 43 powershell.exe 30->43         started        54 3 other processes 30->54 138 Creates files in the system32 config directory 32->138 46 conhost.exe 32->46         started        48 conhost.exe 34->48         started        56 2 other processes 36->56 signatures10 process11 file12 78 C:\Windows\Installer\...78ewtonsoft.Json.dll, PE32 40->78 dropped 80 C:\...\AlphaControlAgentInstallation.dll, PE32 40->80 dropped 82 C:\Windows\...\System.Management.dll, PE32 40->82 dropped 84 Microsoft.Deployme...indowsInstaller.dll, PE32 40->84 dropped 150 Found suspicious powershell code related to unpacking or dynamic code loading 43->150 152 Loading BitLocker PowerShell Module 43->152 58 conhost.exe 43->58         started        86 C:\Windows\Installer\...86ewtonsoft.Json.dll, PE32 50->86 dropped 88 C:\...\AlphaControlAgentInstallation.dll, PE32 50->88 dropped 90 C:\Windows\Installer\...90ewtonsoft.Json.dll, PE32 50->90 dropped 92 9 other files (3 malicious) 50->92 dropped 60 conhost.exe 52->60         started        62 conhost.exe 52->62         started        64 net1.exe 1 52->64         started        66 conhost.exe 54->66         started        68 cscript.exe 54->68         started        70 conhost.exe 54->70         started        72 powershell.exe 54->72         started        signatures13 process14
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/ef51a99f8eea6c19f9671af1744ba49f51fcee9ab660b1dc651c83f827c24d02
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef51a99f8eea6c19f9671af1744ba49f51fcee9ab660b1dc651c83f827c24d02/
Threat name:
Win32.Trojan.Atera
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Status:
Malicious
First seen:
2024-07-11 18:33:06 UTC
File Type:
Binary (Archive)
Extracted files:
15
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55i2th4o5jwbt6lhdlyxis5et5i7z3u2wzqldxdfdsb7qj6cjuba._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  8/10
Tags:
bootkit discovery persistence privilege_escalation upx
Link:
https://tria.ge/reports/240711-w6ncns1fkf/
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
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
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
Downloads MZ/PE file
Enumerates connected drives
Writes to the Master Boot Record (MBR)
UPX packed file
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f0f625a3-a0aa-4524-948a-de74fe1df439
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
EternalRocks
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef51a99f8eea6c19f9671af1744ba49f51fcee9ab660b1dc651c83f827c24d02

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MSI_AteraAgent_RemoteAdmin_April_2024
Create hunting rule
Author:NDA0N
Description:Detects AteraAgent Remote Admin Tool
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.

  
Delivery method
Distributed via e-mail link

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