MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5981ad3b28c03107c09d9f076333ff11dcb9ac2625549ff70fe27d5741070170. 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


MassLogger


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: 5981ad3b28c03107c09d9f076333ff11dcb9ac2625549ff70fe27d5741070170
SHA3-384 hash: 6745406f553d28073f27e48b2d50440ccb801077bd7e610f7c430933a36ee3c239df2238ea76e6c05f2b5cf2e3d159b5
SHA1 hash: a20406c68dad9aa92247f5779b32916badd9d8e1
MD5 hash: 972d1d7ae769b95433f7476807e03983
humanhash: mockingbird-lithium-winner-virginia
File name:13659417-proforma invoice.vbs
Download: download sample
Signature MassLogger
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File size:74'098 bytes
First seen:2025-02-11 07:06:42 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:93ob2h7VTwKDXwFPaq9uz4jWL4SmtZYU4qnoON35a:93ob2h7nUipe974yoS35a
Threatray 340 similar samples on MalwareBazaar
TLSH T1DD735AD48BA9928C36F071B33E8E99071526CDF3CE56FBAAE57588641DB6C1913F0306
Magika vba
Reporter abuse_ch
Tags:MassLogger vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.1810.25363.UNOFFICIAL
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Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67aaf76249f32dfb0d82ed0a
Tags:
masslogger autorun
Verdict:
Suspicious
Labled as:
VBS/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/5981ad3b28c03107c09d9f076333ff11dcb9ac2625549ff70fe27d5741070170
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
MassLogger RAT
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1611826
Signature
.NET source code contains a sample name check
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1611826 Sample: 13659417-proforma invoice.vbs Startdate: 11/02/2025 Architecture: WINDOWS Score: 100 68 reallyfreegeoip.org 2->68 70 checkip.dyndns.org 2->70 72 2 other IPs or domains 2->72 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Multi AV Scanner detection for submitted file 2->84 88 14 other signatures 2->88 9 wscript.exe 2 2->9         started        13 cmd.exe 2->13         started        15 cmd.exe 1 2->15         started        17 7 other processes 2->17 signatures3 86 Tries to detect the country of the analysis system (by using the IP) 68->86 process4 file5 64 C:\Users\user\AppData\Local\Temp\Vejtj.bat, ASCII 9->64 dropped 102 VBScript performs obfuscated calls to suspicious functions 9->102 104 Wscript starts Powershell (via cmd or directly) 9->104 106 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->106 108 Suspicious execution chain found 9->108 19 cmd.exe 1 9->19         started        22 cmd.exe 13->22         started        24 conhost.exe 13->24         started        26 cmd.exe 1 15->26         started        28 conhost.exe 15->28         started        30 cmd.exe 1 17->30         started        32 cmd.exe 1 17->32         started        34 cmd.exe 1 17->34         started        36 11 other processes 17->36 signatures6 process7 signatures8 90 Suspicious powershell command line found 19->90 92 Wscript starts Powershell (via cmd or directly) 19->92 94 Bypasses PowerShell execution policy 19->94 38 cmd.exe 2 19->38         started        41 conhost.exe 19->41         started        43 powershell.exe 22->43         started        45 conhost.exe 22->45         started        47 2 other processes 26->47 49 2 other processes 30->49 51 2 other processes 32->51 53 2 other processes 34->53 55 8 other processes 36->55 process9 signatures10 96 Suspicious powershell command line found 38->96 98 Wscript starts Powershell (via cmd or directly) 38->98 57 powershell.exe 15 17 38->57         started        62 conhost.exe 38->62         started        100 Tries to harvest and steal browser information (history, passwords, etc) 43->100 process11 dnsIp12 74 checkip.dyndns.com 193.122.130.0, 49711, 49773, 51907 ORACLE-BMC-31898US United States 57->74 76 0x0.st 168.119.145.117, 443, 49709, 49762 HETZNER-ASDE Germany 57->76 78 reallyfreegeoip.org 104.21.96.1, 443, 49712, 51847 CLOUDFLARENETUS United States 57->78 66 C:\Users\user\...\StartupScript_2fa4dd98.cmd, ASCII 57->66 dropped 110 Found suspicious powershell code related to unpacking or dynamic code loading 57->110 file13 signatures14
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/5981ad3b28c03107c09d9f076333ff11dcb9ac2625549ff70fe27d5741070170
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5981ad3b28c03107c09d9f076333ff11dcb9ac2625549ff70fe27d5741070170/
Threat name:
Script-WScript.Trojan.Heuristic
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Status:
Malicious
First seen:
2025-02-11 05:50:14 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lga22oziyayqpqe5t4dwgm77choltlbgevkj75yp4j6voqihafya._file
Verdict:
malicious
Label(s):
novastealer
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MassLogger
error
MassLogger
+ 330 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
adware collection discovery evasion execution persistence privilege_escalation stealer trojan
Link:
https://tria.ge/reports/250211-hxq6bazmdt/
Behaviour
Modifies registry class
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in System32 directory
Accesses Microsoft Outlook profiles
Checks installed software on the system
Installs/modifies Browser Helper Object
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Blocklisted process makes network request
Boot or Logon Autostart Execution: Active Setup
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Modifies Windows Defender DisableAntiSpyware settings
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5981ad3b28c0/report/overview.html
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:Base64_Encoded_Powershell_Directives
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File information

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

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