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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aec2da75423bd7457ae135d3118e308339756fa89cffdd0e78fd85be00a97cf. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4aec2da75423bd7457ae135d3118e308339756fa89cffdd0e78fd85be00a97cf
SHA3-384 hash: 946122156bca13e918dd110e671f55a8deed5a32f9724a8c3d0f277e869d03c384b004be59c3a03deaf9651756995984
SHA1 hash: 95233ee1ca7354f7f5c12cef2874ea6ef4dc775d
MD5 hash: 5aab6a0c4bd641570f9851ad9e3170b6
humanhash: montana-lake-india-happy
File name:Dekont.vbs
Download: download sample
Signature MassLogger
Create hunting rule
File size:278'465 bytes
First seen:2026-09-09 18:12:42 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:yZVmr2P/yb4CISddwwPQxZVmr2P/ybTISddwwP8UbYKd0d1N9DISddwwPGJxv4vL:K
TLSH T1CD4464C0C6D245CC7320BEEBF2AAF86B3254EE59C1B8523E50D3D664624AFE44CCB559
Magika vba
Reporter abuse_ch
Tags:geo MassLogger TUR vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/84681/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6aa1a1c2d25f63123d4eb349/reports/e5d502dd-53cf-4a04-a220-2e4a1ef69f83/overview
Verdict:
Malicious
Labled as:
VBS/Agent.UGG trojan
Link:
https://www.hybrid-analysis.com/sample/4aec2da75423bd7457ae135d3118e308339756fa89cffdd0e78fd85be00a97cf
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-09T08:53:00Z UTC
Last seen:
2026-09-09T13:42:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/4aec2da75423bd7457ae135d3118e308339756fa89cffdd0e78fd85be00a97cf/results?tab=lookup
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1970891
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1970891 Sample: Dekont.vbs Startdate: 09/09/2026 Architecture: WINDOWS Score: 100 21 reallyfreegeoip.org 2->21 23 lively-fog-af49.pablosoftwareplus.workers.dev 2->23 25 2 other IPs or domains 2->25 39 Suricata IDS alerts for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 47 7 other signatures 2->47 8 wscript.exe 1 2->8         started        signatures3 45 Tries to detect the country of the analysis system (by using the IP) 21->45 process4 signatures5 49 Suspicious powershell command line found 8->49 51 Wscript starts Powershell (via cmd or directly) 8->51 53 Bypasses PowerShell execution policy 8->53 55 4 other signatures 8->55 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 27 lively-fog-af49.pablosoftwareplus.workers.dev 104.21.2.13, 443, 49720 CLOUDFLARENET-CloudflareIncUS Canada 11->27 29 107.150.72.207, 49721, 80 AS-63119SC United States 11->29 57 Writes to foreign memory regions 11->57 59 Injects a PE file into a foreign processes 11->59 15 CasPol.exe 15 4 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 dnsIp10 31 checkip.dyndns.com 132.226.247.73, 49724, 80 ORACLE-BMC-31898-OracleCorporationUS Brazil 15->31 33 reallyfreegeoip.org 104.21.67.152, 443, 49726 CLOUDFLARENET-CloudflareIncUS Canada 15->33 35 Tries to steal Mail credentials (via file / registry access) 15->35 37 Tries to harvest and steal browser information (history, passwords, etc) 15->37 signatures11
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4aec2da75423bd7457ae135d3118e308339756fa89cffdd0e78fd85be00a97cf
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated PowerShell SOS: 0.10 T1027 T1047 T1059.001 T1059.005 T1105 VBScript Wscript.Shell
Link:
https://app.malva.re/file/5aab6a0c4bd641570f9851ad9e3170b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4aec2da75423bd7457ae135d3118e308339756fa89cffdd0e78fd85be00a97cf/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-09 13:05:38 UTC
File Type:
Binary
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jlwc3j2ueo6xiv5ocnotcghdbazzovx2rhh73uhhr7mfxyaks7hq._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/260909-wtwtaa1tet/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Looks up external IP address via web service
Badlisted process makes network request
Family: MassLogger
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://lively-fog-af49.pablosoftwareplus.workers.dev/pQMSO
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/4aec2da75423bd7457ae135d3118e308339756fa89cffdd0e78fd85be00a97cf

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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/84681/

Comments