MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55af6a90ac8863f27b3fcaa416a0f1e4ff02fb42aa46a7274c6b76aa000aacc2. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: 55af6a90ac8863f27b3fcaa416a0f1e4ff02fb42aa46a7274c6b76aa000aacc2
SHA3-384 hash: 61c8184a3985e5bca945620d72e8efdff18ff7d0f077b127f10cc922a0976a17bd453f82f5dd27f45ab80c760cdd3a07
SHA1 hash: 04224ab9da82d078d5b9e48589c56e9bde707fcf
MD5 hash: af6d4ffcaf5d3dab814d16429cb76754
humanhash: quebec-michigan-cola-november
File name:af6d4ffcaf5d3dab814d16429cb76754.msi
Download: download sample
Signature AteraAgent
File size:2'994'176 bytes
First seen:2024-07-03 15:53:32 UTC
Last seen:2024-07-03 16:38:28 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:Y+1Ypn4N2MGVv1zyIBWGppT9jnMHRjOOozjcqZJN8dUZTwYaH7oqPxMbY+K/tzQz:Y+lUlz9FKbsodq0YaH7ZPxMb8tT
Threatray 70 similar samples on MalwareBazaar
TLSH T1EDD523117584483AE3BB0A358D7AD6A05E7DFE605B70CA8E9308741E2E705C1AB76F73
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 smica83
Tags:AteraAgent msi muddywater signed TA450

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 :
3
# of downloads :
119
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
MALICIOUS
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 100
Signature
AI detected suspicious sample
Creates files in the system32 config directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Reads the Security eventlog
Reads the System eventlog
Yara detected AteraAgent
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1467118 Sample: 2cFFfHDG7D.msi Startdate: 03/07/2024 Architecture: WINDOWS Score: 88 98 ps.pndsn.com 2->98 100 ps.atera.com 2->100 102 5 other IPs or domains 2->102 110 Multi AV Scanner detection for dropped file 2->110 112 Multi AV Scanner detection for submitted file 2->112 114 Yara detected AteraAgent 2->114 116 3 other signatures 2->116 9 msiexec.exe 82 43 2->9         started        12 AteraAgent.exe 2->12         started        16 msiexec.exe 5 2->16         started        signatures3 process4 dnsIp5 82 C:\Windows\Installer\MSIF924.tmp, PE32 9->82 dropped 84 C:\Windows\Installer\MSIF644.tmp, PE32 9->84 dropped 86 C:\Windows\Installer\MSID78.tmp, PE32 9->86 dropped 96 20 other files (17 malicious) 9->96 dropped 18 msiexec.exe 9->18         started        20 AteraAgent.exe 6 11 9->20         started        24 msiexec.exe 9->24         started        104 d25btwd9wax8gu.cloudfront.net 3.165.136.99, 443, 49756 AMAZON-02US United States 12->104 106 35.157.63.227, 443, 49789, 49790 AMAZON-02US United States 12->106 108 ps.pndsn.com 35.157.63.229, 443, 49743, 49746 AMAZON-02US United States 12->108 88 C:\...88ewtonsoft.Json.dll, PE32 12->88 dropped 90 C:\...\Atera.AgentPackage.Common.dll, PE32 12->90 dropped 92 C:\...\AgentPackageAgentInformation.exe, PE32 12->92 dropped 94 AgentPackageAgentInformation.exe.config, XML 12->94 dropped 128 Creates files in the system32 config directory 12->128 130 Reads the Security eventlog 12->130 132 Reads the System eventlog 12->132 26 sc.exe 12->26         started        28 AgentPackageAgentInformation.exe 12->28         started        30 AgentPackageAgentInformation.exe 12->30         started        32 6 other processes 12->32 file6 signatures7 process8 file9 34 rundll32.exe 8 18->34         started        38 rundll32.exe 15 9 18->38         started        40 rundll32.exe 7 18->40         started        42 rundll32.exe 18->42         started        78 C:\Windows\System32\InstallUtil.InstallLog, Unicode 20->78 dropped 80 C:\...\AteraAgent.InstallLog, Unicode 20->80 dropped 120 Creates files in the system32 config directory 20->120 122 Reads the Security eventlog 20->122 124 Reads the System eventlog 20->124 50 2 other processes 24->50 126 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->126 44 conhost.exe 26->44         started        46 conhost.exe 28->46         started        48 conhost.exe 30->48         started        52 6 other processes 32->52 signatures10 process11 file12 60 C:\Windows\Installer\...60ewtonsoft.Json.dll, PE32 34->60 dropped 62 C:\...\AlphaControlAgentInstallation.dll, PE32 34->62 dropped 70 2 other files (none is malicious) 34->70 dropped 118 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->118 64 C:\Windows\Installer\...64ewtonsoft.Json.dll, PE32 38->64 dropped 66 C:\...\AlphaControlAgentInstallation.dll, PE32 38->66 dropped 72 2 other files (none is malicious) 38->72 dropped 68 C:\Windows\Installer\...68ewtonsoft.Json.dll, PE32 40->68 dropped 74 3 other files (1 malicious) 40->74 dropped 76 4 other files (2 malicious) 42->76 dropped 54 conhost.exe 50->54         started        56 conhost.exe 50->56         started        58 net1.exe 1 50->58         started        signatures13 process14
Threat name:
Win32.Trojan.Atera
Status:
Malicious
First seen:
2024-07-01 13:03:54 UTC
File Type:
Binary (Archive)
Extracted files:
15
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence privilege_escalation
Behaviour
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
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
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
Enumerates connected drives
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:AteraAgent_RemoteAdmin_April_2024
Author:NDA0
Description:Detects AteraAgent Remote Admin Tool
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_SliverFox_String
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MSI_AteraAgent_RemoteAdmin_April_2024
Author:NDA0N
Description:Detects AteraAgent Remote Admin Tool
Rule name:NET
Author:malware-lu

File information


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

Comments