MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e. 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


Stealc


Vendor detections: 13


Intelligence 13 IOCs YARA 10 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e
SHA3-384 hash: 557aee74ffcca348d919608839dd9eb156bc3ebeba4e4c3318268d072ddc3a67c9040fcc9564eb0d8267afef4232ddee
SHA1 hash: 99f1392185a70453f33e15d6f5b75064217c2c18
MD5 hash: 15ce9e885610d5b85500ea0d139f6d21
humanhash: fanta-eighteen-friend-skylark
File name:15ce9e885610d5b85500ea0d139f6d21
Download: download sample
Signature Stealc
Create hunting rule
File size:414'192 bytes
First seen:2024-04-20 09:52:23 UTC
Last seen:2024-04-20 10:25:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:/IJTLRoSz47P8DiLdwXQIPcnEPjj9tQPBBpRPZi9opzUeqcnoKPcmPuJkJ:wlRoSz4j8DM6gIxfUP+2Ye9oCcmf
TLSH T1B79413202B4A957FDF9E4BB06C953AE666F5B31F7443999E1F344974204AF888232733
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:64 exe signed Stealc

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-04-20T04:43:53Z
Valid to:2025-04-20T04:43:53Z
Serial number: acdff4845d80d3ac91a97fb6e56ee8d1
Thumbprint Algorithm:SHA256
Thumbprint: 99a8da76669feab27e03f0ce4e66bfbf0ae2b3364238fac557e4858ea733fdc2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
386
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
glupteba
Create hunting rule
ID:
1
File name:
95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e.exe
Verdict:
Malicious activity
Analysis date:
2024-04-20 09:54:25 UTC
Tags:
evasion opendir loader gcleaner stealer stealc telnet discord glupteba privateloader arechclient2 backdoor trojan neoreklami xmrig adware
Link:
https://app.any.run/tasks/b29f2c11-6686-4924-b3e6-327a6f385f53

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Creating a process from a recently created file
Searching for analyzing tools
Modifying a system file
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Replacing files
Reading critical registry keys
Launching a service
Creating a window
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Running batch commands
Blocking the User Account Control
Connection attempt to an infection source
Query of malicious DNS domain
Blocking the Windows Defender launch
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
Adding exclusions to Windows Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66239081d2fc149e41142a86/reports/606396c9-d43e-4340-abf9-f425420eb6ff/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b50c37e0-0b01-4c2d-ac93-f23441ef9269
Result
Threat name:
Mars Stealer, PureLog Stealer, Stealc, V
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1429048
Signature
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list (Registry)
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Disables UAC (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the document folder of the user
Drops script or batch files to the startup folder
Exclude list of file types from scheduled, custom, and real-time scanning
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1429048 Sample: 74fa486WVX.exe Startdate: 20/04/2024 Architecture: WINDOWS Score: 100 122 Found malware configuration 2->122 124 Malicious sample detected (through community Yara rule) 2->124 126 Multi AV Scanner detection for dropped file 2->126 128 14 other signatures 2->128 8 74fa486WVX.exe 1 3 2->8         started        11 svchost.exe 2->11         started        13 cmd.exe 2->13         started        15 3 other processes 2->15 process3 signatures4 164 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->164 166 Writes to foreign memory regions 8->166 168 Allocates memory in foreign processes 8->168 170 4 other signatures 8->170 17 jsc.exe 15 380 8->17         started        22 powershell.exe 23 8->22         started        24 WerFault.exe 8->24         started        30 3 other processes 8->30 26 WerFault.exe 11->26         started        28 conhost.exe 13->28         started        process5 dnsIp6 104 107.167.110.211 OPERASOFTWAREUS United States 17->104 106 107.167.110.216 OPERASOFTWAREUS United States 17->106 110 9 other IPs or domains 17->110 82 C:\Users\...\zjh0hj0NnUHk9L2TMnVQJLTW.exe, PE32 17->82 dropped 84 C:\Users\...\zWBqjxGqSREVGD26eOWqbKie.exe, PE32 17->84 dropped 86 C:\Users\...\zA0fUzPmMHacDwoXN5o2PtEI.exe, PE32 17->86 dropped 88 285 other malicious files 17->88 dropped 154 Drops script or batch files to the startup folder 17->154 156 Creates HTML files with .exe extension (expired dropper behavior) 17->156 158 Found many strings related to Crypto-Wallets (likely being stolen) 17->158 160 Writes many files with high entropy 17->160 32 9cQOeDxBBzNL5s3WiYLdFtQh.exe 17->32         started        37 aD6tv7fY2lQHgM7IuiL9Hw1Z.exe 17->37         started        39 EB0On5SEskIrRrycifeZdat8.exe 17->39         started        45 20 other processes 17->45 162 Loading BitLocker PowerShell Module 22->162 41 conhost.exe 22->41         started        43 WmiPrvSE.exe 22->43         started        108 13.89.179.12 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->108 file7 signatures8 process9 dnsIp10 90 87.240.129.133 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 32->90 92 95.142.206.0 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 32->92 98 20 other IPs or domains 32->98 64 C:\Users\...\zO9gad4LUylgyGPVRTWG8XxZ.exe, PE32 32->64 dropped 66 C:\Users\...\vul6UV08p0GCWyLDpSq_XRJi.exe, PE32 32->66 dropped 68 C:\Users\...\mznEpIhRkhM45E5OaaApcXfQ.exe, PE32 32->68 dropped 78 27 other malicious files 32->78 dropped 130 Query firmware table information (likely to detect VMs) 32->130 132 Drops PE files to the document folder of the user 32->132 134 Creates HTML files with .exe extension (expired dropper behavior) 32->134 152 5 other signatures 32->152 100 3 other IPs or domains 37->100 70 C:\Users\user\AppData\Local\Temp\u5tg.1.exe, PE32 37->70 dropped 72 C:\Users\user\AppData\Local\Temp\u5tg.0.exe, PE32 37->72 dropped 136 Detected unpacking (changes PE section rights) 37->136 138 Detected unpacking (overwrites its own PE header) 37->138 47 u5tg.0.exe 37->47         started        140 Tries to detect sandboxes and other dynamic analysis tools (window names) 39->140 142 Hides threads from debuggers 39->142 144 Found direct / indirect Syscall (likely to bypass EDR) 39->144 94 107.167.110.217 OPERASOFTWAREUS United States 45->94 96 107.167.125.189 OPERASOFTWAREUS United States 45->96 102 5 other IPs or domains 45->102 74 C:\Users\user\AppData\Local\Temp\u5v0.1.exe, PE32 45->74 dropped 76 C:\Users\user\AppData\Local\Temp\u5v0.0.exe, PE32 45->76 dropped 80 29 other malicious files 45->80 dropped 146 Writes many files with high entropy 45->146 148 Tries to detect sandboxes / dynamic malware analysis system (registry check) 45->148 150 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 45->150 52 u5lo.0.exe 45->52         started        54 u220.0.exe 45->54         started        file11 signatures12 process13 dnsIp14 112 185.172.128.209 NADYMSS-ASRU Russian Federation 47->112 56 C:\Users\user\AppData\...\softokn3[1].dll, PE32 47->56 dropped 58 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 47->58 dropped 60 C:\Users\user\AppData\...\mozglue[1].dll, PE32 47->60 dropped 62 9 other files (1 malicious) 47->62 dropped 114 Detected unpacking (changes PE section rights) 47->114 116 Detected unpacking (overwrites its own PE header) 47->116 118 Tries to steal Mail credentials (via file / registry access) 47->118 120 7 other signatures 47->120 file15 signatures16
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e/
Threat name:
ByteCode-MSIL.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-04-20 07:52:03 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=svcczcd7i653jm2q7suhyro4n34vgvooq2td27bpkdns3evokexa._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:stealc discovery dropper evasion loader persistence rootkit spyware stealer trojan upx
Link:
https://tria.ge/reports/240420-lwmchsed9x/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
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
Looks up external IP address via web service
Manipulates WinMonFS driver.
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Modifies Windows Firewall
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Glupteba
Glupteba payload
Modifies firewall policy service
Stealc
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
http://185.172.128.209
Unpacked files
SH256 hash:
95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e
MD5 hash:
15ce9e885610d5b85500ea0d139f6d21
SHA1 hash:
99f1392185a70453f33e15d6f5b75064217c2c18
Link:
https://www.unpac.me/results/1bfa0fbe-c918-449c-ba20-e69f3b79a4f2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/95442c887f47/report/overview.html
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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Stealc

Executable exe 95442c887f47bbb4b350fca87c45dc6ef95355ce86a63d7c2f50db2d92ae512e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2812589/
  
URLhaus
https://urlhaus.abuse.ch/url/2819428/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-04-20 09:52:24 UTC

url : hxxp://193.233.132.234/files/file300un.exe