MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 978708f8b2ce3fda82c9376420dc023396ee686d43962675dda5f18b3b749753. 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



Glupteba


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 978708f8b2ce3fda82c9376420dc023396ee686d43962675dda5f18b3b749753
SHA3-384 hash: 6a2d60fd70065dc677063d283e3eee4249eaf0ebc19a9ef6e1d4425fbc0803e4b0856449f3163eb83c8bb04513810ba8
SHA1 hash: 6c4ba32b7489ed9a77f8df342bf035d222188b8e
MD5 hash: 47ce0377af38e997b82a9d6b37cb1cfc
humanhash: lima-stream-xray-michigan
File name:file
Download: download sample
Signature Glupteba
File size:1'695'088 bytes
First seen:2023-11-19 06:59:10 UTC
Last seen:2023-11-19 15:49:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:PQi5LkOBo/l2P4i63Ov1MnavlI02OHgu8Ohmp0gLFYT/Bnb+k0C7Ehf28KI9TnXR:PTkPNL02p2EnYTehj98hDo
Threatray 7 similar samples on MalwareBazaar
TLSH T13A75E0D2CBA4CF55C3A728F811DA97611E6069245DDCEE0FFA81FBA5F0211DF3142A62
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter andretavare5
Tags:exe Glupteba signed

Code Signing Certificate

Organisation:mediafire inc
Issuer:mediafire inc
Algorithm:sha256WithRSAEncryption
Valid from:2023-11-19T00:45:25Z
Valid to:2024-11-19T00:45:25Z
Serial number: 58c5cbde8405d3660f52e6382a03327f
Thumbprint Algorithm:SHA256
Thumbprint: 5415fbfb65f9607e382c3975f843ea5f95e2ffae34ccc64068e191dd208ed819
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
andretavare5
Sample downloaded from http://91.92.243.139/files/InstallSetup2.exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
355
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a process from a recently created file
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Blocking the User Account Control
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
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:
Glupteba, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contain functionality to detect virtual machines
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables UAC (registry)
Drops script or batch files to the startup folder
Found evasive API chain (may stop execution after checking computer name)
Found Tor onion address
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Modifies Windows Defender protection settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses cmd line tools excessively to alter registry or file data
Writes many files with high entropy
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1344697 Sample: file.exe Startdate: 19/11/2023 Architecture: WINDOWS Score: 100 149 Multi AV Scanner detection for domain / URL 2->149 151 Malicious sample detected (through community Yara rule) 2->151 153 Antivirus detection for URL or domain 2->153 155 14 other signatures 2->155 12 file.exe 2 4 2->12         started        15 cmd.exe 2->15         started        process3 signatures4 191 Adds a directory exclusion to Windows Defender 12->191 193 Disables UAC (registry) 12->193 17 CasPol.exe 15 290 12->17         started        22 powershell.exe 22 12->22         started        24 conhost.exe 15->24         started        process5 dnsIp6 129 91.92.243.139 THEZONEBG Bulgaria 17->129 131 107.167.110.211 OPERASOFTWAREUS United States 17->131 133 8 other IPs or domains 17->133 81 C:\Users\...\z94YLc4Qwmn3Hh7ktqHkTYXj.exe, PE32 17->81 dropped 83 C:\Users\...\yXvrPSUsPf8cphNHyDkHyK6C.exe, PE32 17->83 dropped 85 C:\Users\...\yC0SbUxxatnxC5lV088M8Tk8.exe, PE32 17->85 dropped 87 240 other malicious files 17->87 dropped 157 Drops script or batch files to the startup folder 17->157 159 Creates HTML files with .exe extension (expired dropper behavior) 17->159 161 Writes many files with high entropy 17->161 26 8U2suxmBbYLBM8TSVkNzN5uM.exe 17->26         started        30 Mwxt7hdR6naLki4vIFN6b3tC.exe 17->30         started        33 L7BrVXb7YyWu0ox3XnhFE2ko.exe 17->33         started        37 15 other processes 17->37 35 conhost.exe 22->35         started        file7 signatures8 process9 dnsIp10 111 C:\Users\user\AppData\Local\...\Install.exe, PE32 26->111 dropped 113 C:\Users\user\AppData\Local\...\config.txt, data 26->113 dropped 173 Writes many files with high entropy 26->173 39 Install.exe 26->39         started        135 149.154.167.99 TELEGRAMRU United Kingdom 30->135 137 167.235.143.166 ALBERTSONSUS United States 30->137 123 13 other files (9 malicious) 30->123 dropped 175 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->175 177 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->177 179 Tries to harvest and steal ftp login credentials 30->179 187 2 other signatures 30->187 139 107.167.110.216 OPERASOFTWAREUS United States 33->139 141 107.167.110.218 OPERASOFTWAREUS United States 33->141 145 5 other IPs or domains 33->145 115 Opera_installer_2311190701146737352.dll, PE32 33->115 dropped 125 6 other malicious files 33->125 dropped 42 L7BrVXb7YyWu0ox3XnhFE2ko.exe 33->42         started        44 L7BrVXb7YyWu0ox3XnhFE2ko.exe 33->44         started        46 L7BrVXb7YyWu0ox3XnhFE2ko.exe 33->46         started        143 23.212.249.218 AKAMAI-ASUS United States 37->143 117 Opera_installer_2311190701454015172.dll, PE32 37->117 dropped 119 Opera_installer_2311190701285073732.dll, PE32 37->119 dropped 121 Opera_installer_2311190701217787772.dll, PE32 37->121 dropped 127 8 other malicious files 37->127 dropped 181 Detected unpacking (changes PE section rights) 37->181 183 Detected unpacking (overwrites its own PE header) 37->183 185 Found Tor onion address 37->185 189 2 other signatures 37->189 48 Broom.exe 37->48         started        51 2BDhIBz8DsDs37JjV3j7Iz8g.exe 37->51         started        53 2BDhIBz8DsDs37JjV3j7Iz8g.exe 37->53         started        55 4 other processes 37->55 file11 signatures12 process13 file14 89 C:\Users\user\AppData\Local\...\Install.exe, PE32 39->89 dropped 57 Install.exe 39->57         started        91 Opera_installer_2311190701189957652.dll, PE32 42->91 dropped 61 L7BrVXb7YyWu0ox3XnhFE2ko.exe 42->61         started        93 Opera_installer_2311190701154877448.dll, PE32 44->93 dropped 95 Opera_installer_2311190701169917520.dll, PE32 46->95 dropped 147 Multi AV Scanner detection for dropped file 48->147 97 Opera_installer_2311190701224477908.dll, PE32 51->97 dropped 99 Opera_installer_2311190701252048092.dll, PE32 53->99 dropped 101 Opera_installer_2311190701356856468.dll, PE32 55->101 dropped 103 Opera_installer_2311190701310616608.dll, PE32 55->103 dropped signatures15 process16 file17 105 C:\Users\user\AppData\Local\...\jwOAeGe.exe, PE32 57->105 dropped 107 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 57->107 dropped 165 Multi AV Scanner detection for dropped file 57->165 167 Modifies Windows Defender protection settings 57->167 169 Adds extensions / path to Windows Defender exclusion list 57->169 171 Modifies Group Policy settings 57->171 63 forfiles.exe 57->63         started        66 forfiles.exe 57->66         started        109 Opera_installer_2311190701204287720.dll, PE32 61->109 dropped signatures18 process19 signatures20 195 Modifies Windows Defender protection settings 63->195 197 Adds extensions / path to Windows Defender exclusion list 63->197 68 cmd.exe 63->68         started        71 conhost.exe 63->71         started        73 cmd.exe 66->73         started        75 conhost.exe 66->75         started        process21 signatures22 163 Uses cmd line tools excessively to alter registry or file data 68->163 77 reg.exe 68->77         started        79 reg.exe 73->79         started        process23
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-11-19 07:00:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
glupteba
Score:
  10/10
Tags:
family:glupteba discovery dropper evasion loader persistence rootkit spyware stealer trojan upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Drops Chrome extension
Drops desktop.ini file(s)
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Glupteba
Glupteba payload
Modifies Windows Defender Real-time Protection settings
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
978708f8b2ce3fda82c9376420dc023396ee686d43962675dda5f18b3b749753
MD5 hash:
47ce0377af38e997b82a9d6b37cb1cfc
SHA1 hash:
6c4ba32b7489ed9a77f8df342bf035d222188b8e
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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