MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75f4bd481c7ee94f6e52fdb70de7db8243085067393a58ab14492452c4419297. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 75f4bd481c7ee94f6e52fdb70de7db8243085067393a58ab14492452c4419297
SHA3-384 hash: 5999f922d3cebbea5b109012bc701a55670c51541145e8be7ef982cdbac9f7353e3e11f5774ea5caed09e35089c0ec81
SHA1 hash: ca1a083733af9c2003f2f257e0adf16f9ced24ce
MD5 hash: 014cc49234f06da1765027828e98014b
humanhash: pizza-sierra-mirror-papa
File name:file
Download: download sample
Signature Glupteba
File size:746'360 bytes
First seen:2023-11-28 00:24:08 UTC
Last seen:2023-11-28 16:01:41 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 12288:ROGs8AUZSIMJYowHssWaD1KPUIi+mCOZwdovN0cs9DB5zRF4mOuuuuuuuuuuuuuo:p/szA1eACOZwdoShpB50dU8o3ykqlNWo
Threatray 14 similar samples on MalwareBazaar
TLSH T1C4F45894B3C37775C5D5F7B8CEE69C120EBBF429B62E9090B85937A081B1EE01261D93
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:Installsex inc
Issuer:Installsex inc
Algorithm:sha256WithRSAEncryption
Valid from:2023-11-28T00:17:49Z
Valid to:2024-11-28T00:17:49Z
Serial number: 9e804744413cea6295978614e928d07c
Thumbprint Algorithm:SHA256
Thumbprint: 3942d77ea1a1f37b2cb9415c1fe79033ac7b276dbdfb8321f41fe4e1fd6b64b0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
andretavare5
Sample downloaded from http://91.92.241.91/files/InstallSetup2.exe

Intelligence


File Origin
# of uploads :
12
# of downloads :
439
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
DNS request
Sending an HTTP GET request
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Moving a recently created file
Searching for synchronization primitives
Launching the process to interact with network services
Running batch commands
Blocking the User Account Control
Query of malicious DNS domain
Sending a TCP request to an infection source
Launching a tool to kill processes
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed 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, Socks5Systemz, Vidar
Detection:
malicious
Classification:
rans.troj.adwa.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 (Registry)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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 malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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 schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected Socks5Systemz
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1348986 Sample: file.exe Startdate: 28/11/2023 Architecture: WINDOWS Score: 100 150 Multi AV Scanner detection for domain / URL 2->150 152 Found malware configuration 2->152 154 Malicious sample detected (through community Yara rule) 2->154 156 16 other signatures 2->156 10 file.exe 2 4 2->10         started        13 svchost.exe 1 1 2->13         started        16 powershell.exe 2->16         started        process3 dnsIp4 166 Writes to foreign memory regions 10->166 168 Adds extensions / path to Windows Defender exclusion list (Registry) 10->168 170 Adds a directory exclusion to Windows Defender 10->170 172 2 other signatures 10->172 18 CasPol.exe 15 437 10->18         started        23 powershell.exe 22 10->23         started        130 23.39.182.90 AKAMAI-ASUS United States 13->130 132 127.0.0.1 unknown unknown 13->132 25 conhost.exe 16->25         started        signatures5 process6 dnsIp7 124 91.92.241.91 THEZONEBG Bulgaria 18->124 126 107.167.110.216 OPERASOFTWAREUS United States 18->126 128 12 other IPs or domains 18->128 76 C:\Users\...\zvD82qxyLsMYY9nM91LfXeLB.exe, PE32 18->76 dropped 78 C:\Users\...\zmrjDTutfSa7O8a9h8Q1PoUm.exe, PE32+ 18->78 dropped 80 C:\Users\...\zN86PRp3RByqlXU7MSBdW8R0.exe, PE32+ 18->80 dropped 82 316 other malicious files 18->82 dropped 158 Drops script or batch files to the startup folder 18->158 160 Creates HTML files with .exe extension (expired dropper behavior) 18->160 162 Writes many files with high entropy 18->162 27 C5IuuBDQmF9UCTv0UGHJ5K82.exe 18->27         started        30 kpd7XeAzwkzNnISvo37T7tdV.exe 18->30         started        34 U0xPEaWZxeGBnj1EJmujiALo.exe 18->34         started        38 15 other processes 18->38 36 conhost.exe 23->36         started        file8 signatures9 process10 dnsIp11 106 C:\Users\...\C5IuuBDQmF9UCTv0UGHJ5K82.tmp, PE32 27->106 dropped 40 C5IuuBDQmF9UCTv0UGHJ5K82.tmp 27->40         started        140 149.154.167.99 TELEGRAMRU United Kingdom 30->140 142 128.140.72.50 HETZNER-ASDE Germany 30->142 108 C:\Users\user\AppData\...\softokn3[1].dll, PE32 30->108 dropped 110 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 30->110 dropped 120 11 other files (7 malicious) 30->120 dropped 174 Detected unpacking (changes PE section rights) 30->174 176 Detected unpacking (overwrites its own PE header) 30->176 178 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->178 186 4 other signatures 30->186 112 C:\Users\...\U0xPEaWZxeGBnj1EJmujiALo.tmp, PE32 34->112 dropped 44 U0xPEaWZxeGBnj1EJmujiALo.tmp 34->44         started        144 107.167.110.211 OPERASOFTWAREUS United States 38->144 146 107.167.110.218 OPERASOFTWAREUS United States 38->146 148 5 other IPs or domains 38->148 114 C:\Users\...\Slao3THDDaIA6ZXVs0W4rYYb.tmp, PE32 38->114 dropped 116 Opera_installer_2311280026131148284.dll, PE32 38->116 dropped 118 Opera_installer_2311280026042647348.dll, PE32 38->118 dropped 122 16 other malicious files 38->122 dropped 180 Creates an undocumented autostart registry key 38->180 182 Found Tor onion address 38->182 184 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 38->184 188 3 other signatures 38->188 46 wIabnhZ1th3OMLeZ0mnyLD6t.exe 38->46         started        48 wIabnhZ1th3OMLeZ0mnyLD6t.exe 38->48         started        50 wIabnhZ1th3OMLeZ0mnyLD6t.exe 38->50         started        52 6 other processes 38->52 file12 signatures13 process14 file15 88 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 40->88 dropped 90 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 40->90 dropped 92 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 40->92 dropped 100 13 other files (12 malicious) 40->100 dropped 164 Uses schtasks.exe or at.exe to add and modify task schedules 40->164 54 TVLand.exe 40->54         started        57 net.exe 40->57         started        59 schtasks.exe 40->59         started        61 TVLand.exe 40->61         started        102 14 other files (13 malicious) 44->102 dropped 94 Opera_installer_2311280026022148144.dll, PE32 46->94 dropped 64 wIabnhZ1th3OMLeZ0mnyLD6t.exe 46->64         started        96 Opera_installer_2311280025599937832.dll, PE32 48->96 dropped 98 Opera_installer_2311280026005208040.dll, PE32 50->98 dropped 104 2 other malicious files 52->104 dropped 66 conhost.exe 52->66         started        68 conhost.exe 52->68         started        signatures16 process17 dnsIp18 84 C:\ProgramData\...\TLGraphicsMode.exe, PE32 54->84 dropped 70 conhost.exe 57->70         started        72 net1.exe 57->72         started        74 conhost.exe 59->74         started        134 69.30.233.162 WIIUS United States 61->134 136 142.132.202.219 UNIVERSITYOFWINNIPEG-ASNCA Canada 61->136 138 45.155.250.90 MEER-ASmeerfarbigGmbHCoKGDE Germany 61->138 86 Opera_installer_2311280026094277320.dll, PE32 64->86 dropped file19 process20
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-11-28 00:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Result
Malware family:
glupteba
Score:
  10/10
Tags:
family:glupteba discovery dropper evasion loader persistence spyware stealer trojan upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies system certificate store
Runs net.exe
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
Program crash
Drops file in Program Files 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
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
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
Unexpected DNS network traffic destination
Windows security modification
Adds policy Run key to start application
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Stops running service(s)
Modifies boot configuration data using bcdedit
Glupteba
Glupteba payload
Modifies WinLogon for persistence
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
3e81f95f896c506ed76cf244bd5076a03bf35f6470bd6ae8e54bf51bf45fc3b0
MD5 hash:
8ee5b8968e3ea6df090b03bad1109d94
SHA1 hash:
8c64149c72de221d2fe3b99c24ae57f46d38ef2e
SH256 hash:
75f4bd481c7ee94f6e52fdb70de7db8243085067393a58ab14492452c4419297
MD5 hash:
014cc49234f06da1765027828e98014b
SHA1 hash:
ca1a083733af9c2003f2f257e0adf16f9ced24ce
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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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