MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments
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SHA256 hash: a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1
SHA3-384 hash: e6e91332ca3409ff6493d40f6d3dec50e8ea60ecb8a2045c89d6791d1349f039bea1f521775001198b57675a4a362b38
SHA1 hash: 8645aef1283e89ce4b02d3d719df948f9edd542c
MD5 hash: 9dfc2bc9005ec8ce2a4abf7415f30944
humanhash: eleven-happy-network-timing
File name:givenmebestthingsentiretimetogivemebestof.hta
Download: download sample
Signature MassLogger
Create hunting rule
File size:14'745 bytes
First seen:2025-03-20 10:22:25 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 48:3uwkTcCwknpc8sBGapd599DdkDCAYsHCzMHwkAgwkAEGc/wkVG:/kwkPKfFuHCrkANkAE4kU
Threatray 814 similar samples on MalwareBazaar
TLSH T11D6275842CB0ECA54BE3E7281DDFACD69B8D371F00543248B9AC4E9417026715ECABB3
Magika html
Reporter abuse_ch
Tags:hta MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67dbeca0115e7b48b48f1236
Tags:
obfuscate trojan shell
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1/results/dashboard
Payload URLs
URL
File name
http://107.174.231.211/77/cnos.exe
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Link:
https://www.filescan.io/uploads/67dbecab1dd35ee4a0e948ba/reports/f2d25af3-8756-46df-8588-a96a59338a6f/overview
Verdict:
Malicious
Labled as:
VBS.Asthma.2.BD73F937
Link:
https://www.hybrid-analysis.com/sample/a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Cobalt Strike, MSIL Logger, MassLogger R
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1644106
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Detected Cobalt Strike Beacon
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Powershell drops PE file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Suspicious MSHTA Child Process
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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)
Writes to foreign memory regions
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1644106 Sample: givenmebestthingsentiretime... Startdate: 20/03/2025 Architecture: WINDOWS Score: 100 45 reallyfreegeoip.org 2->45 47 checkip.dyndns.org 2->47 49 checkip.dyndns.com 2->49 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 67 13 other signatures 2->67 10 mshta.exe 1 2->10         started        signatures3 65 Tries to detect the country of the analysis system (by using the IP) 45->65 process4 signatures5 77 Suspicious command line found 10->77 79 PowerShell case anomaly found 10->79 13 cmd.exe 1 10->13         started        process6 signatures7 81 Detected Cobalt Strike Beacon 13->81 83 Suspicious powershell command line found 13->83 85 PowerShell case anomaly found 13->85 16 powershell.exe 45 13->16         started        21 conhost.exe 13->21         started        process8 dnsIp9 43 107.174.231.211, 49721, 80 AS-COLOCROSSINGUS United States 16->43 35 C:\Users\user\AppData\Roaming\cosses.exe, PE32 16->35 dropped 37 C:\Users\user\AppData\Local\...\cnos[1].exe, PE32 16->37 dropped 39 C:\Users\user\AppData\...\kio2ddq0.cmdline, Unicode 16->39 dropped 55 Loading BitLocker PowerShell Module 16->55 57 Powershell drops PE file 16->57 23 cosses.exe 2 16->23         started        26 csc.exe 3 16->26         started        file10 signatures11 process12 file13 69 Multi AV Scanner detection for dropped file 23->69 71 Binary is likely a compiled AutoIt script file 23->71 73 Writes to foreign memory regions 23->73 75 2 other signatures 23->75 29 RegSvcs.exe 15 2 23->29         started        41 C:\Users\user\AppData\Local\...\kio2ddq0.dll, PE32 26->41 dropped 33 cvtres.exe 1 26->33         started        signatures14 process15 dnsIp16 51 checkip.dyndns.com 193.122.130.0, 49722, 80 ORACLE-BMC-31898US United States 29->51 53 reallyfreegeoip.org 104.21.96.1, 443, 49723 CLOUDFLARENETUS United States 29->53 87 Tries to steal Mail credentials (via file / registry access) 29->87 89 Tries to harvest and steal browser information (history, passwords, etc) 29->89 signatures17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1/
Threat name:
Script-WScript.Trojan.Asthma
Create hunting rule
Status:
Malicious
First seen:
2025-03-19 17:05:30 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ub5gnocfnlxpqi4idm7ecb6wi6qs44ixzbjab2soubsw46i6wpiq._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_036
Create hunting rule
Similar samples:
14f6cc465c16b2b06dca025ac97d6824d0793554b1599b68e401379b4f2cb12a
MassLogger
8eb955d1794fe1fd4c8e9bd91c280a69e09c11a9673c3e0fa2312a27520b3eb5
MassLogger
91a04734fb1bfa93391d961ff94dfdfffc3021d6cf56cb31f9d696aa3251c6e2
MassLogger
9d9dd06960daac5cb979cc40a22fcbe4742a2694fef52b356b4f72c9dc0b779a
MassLogger
b1e3a6d51db48a05f1d5022fd98fd544cd64af54db335e11fd229c45a6fb4a8d
MassLogger
error
MassLogger
+ 804 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection defense_evasion discovery execution
Link:
https://tria.ge/reports/250320-mezf7azyes/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Evasion via Device Credential Deployment
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a07a66b8456a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1

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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Web download

MassLogger

HTML Application (hta) hta a07a66b8456aeef823881b3e4107d647a12e7117c85200ea4ea0656e791eb3d1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3483484/
  
Delivery method
Distributed via web download

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