MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 526e8c3e5935b935765705b0722305c780ced034b6760b997b87cad4bb4b665a. 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 File information Comments

SHA256 hash: 526e8c3e5935b935765705b0722305c780ced034b6760b997b87cad4bb4b665a
SHA3-384 hash: 5d49835219b9d689355c5c42274da8ab31ea5550edab41c2caf790c15caa28f0d70f1b2fe3b6817be29faad5373c2797
SHA1 hash: 48461b4400a6fbe3956062479f566a09e3fb81c2
MD5 hash: b373d0e25e733942a4f8e7b60d2e1efb
humanhash: jupiter-april-wisconsin-cup
File name:niceworkingskillgivenmebest.hta
Download: download sample
Signature MassLogger
File size:15'983 bytes
First seen:2025-03-17 00:17:03 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 48:3ip+OoNop+fwMoN6M3v9Njq5py8fXTV5Sp+IoVp+XpJ+CoNbCp+kPG:ygpNog2Nz3vqxfXTV8gHgSNGgk+
TLSH T16072535CAC90FD559BA8E94469CCA9DADC8E0B39C0803B0373DC7A121388B6D49E42D7
Magika txt
Reporter abuse_ch
Tags:hta MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
autoit emotet
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
http://198.12.89.24/346/cosses.exe
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
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
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for dropped file
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 sandboxes and other dynamic analysis tools (process name or module or function)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1640152 Sample: niceworkingskillgivenmebest.hta Startdate: 17/03/2025 Architecture: WINDOWS Score: 100 50 reallyfreegeoip.org 2->50 52 checkip.dyndns.org 2->52 54 checkip.dyndns.com 2->54 70 Suricata IDS alerts for network traffic 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 78 13 other signatures 2->78 10 mshta.exe 1 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 76 Tries to detect the country of the analysis system (by using the IP) 50->76 process4 dnsIp5 84 Suspicious command line found 10->84 86 PowerShell case anomaly found 10->86 16 cmd.exe 1 10->16         started        58 127.0.0.1 unknown unknown 13->58 signatures6 process7 signatures8 60 Detected Cobalt Strike Beacon 16->60 62 Suspicious powershell command line found 16->62 64 PowerShell case anomaly found 16->64 19 powershell.exe 45 16->19         started        24 conhost.exe 16->24         started        process9 dnsIp10 56 198.12.89.24, 49681, 80 AS-COLOCROSSINGUS United States 19->56 38 C:\Users\user\AppData\Roaming\cossess.exe, PE32 19->38 dropped 40 C:\Users\user\AppData\Local\...\cosses[1].exe, PE32 19->40 dropped 42 C:\Users\user\AppData\...\dkem0svg.cmdline, Unicode 19->42 dropped 80 Loading BitLocker PowerShell Module 19->80 82 Powershell drops PE file 19->82 26 cossess.exe 2 19->26         started        29 csc.exe 3 19->29         started        file11 signatures12 process13 file14 88 Antivirus detection for dropped file 26->88 90 Multi AV Scanner detection for dropped file 26->90 92 Binary is likely a compiled AutoIt script file 26->92 94 4 other signatures 26->94 32 RegSvcs.exe 15 2 26->32         started        44 C:\Users\user\AppData\Local\...\dkem0svg.dll, PE32 29->44 dropped 36 cvtres.exe 1 29->36         started        signatures15 process16 dnsIp17 46 checkip.dyndns.com 193.122.6.168, 49682, 80 ORACLE-BMC-31898US United States 32->46 48 reallyfreegeoip.org 104.21.112.1, 443, 49683 CLOUDFLARENETUS United States 32->48 66 Tries to steal Mail credentials (via file / registry access) 32->66 68 Tries to harvest and steal browser information (history, passwords, etc) 32->68 signatures18
Threat name:
Script-WScript.Trojan.Asthma
Status:
Malicious
First seen:
2025-03-13 16:38:45 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection defense_evasion discovery execution
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
Please note that we are no longer able to provide a coverage score for Virus Total.

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 526e8c3e5935b935765705b0722305c780ced034b6760b997b87cad4bb4b665a

(this sample)

  
Delivery method
Distributed via web download

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