MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d2718666c3752352b1eb6ffe954277708d1a75c607217a5c501c210929f11a4. 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: 17


Intelligence 17 IOCs 1 YARA 2 File information Comments

SHA256 hash: 3d2718666c3752352b1eb6ffe954277708d1a75c607217a5c501c210929f11a4
SHA3-384 hash: ef711efe0633c579078e9ccb552e101cef8eca7e25ac676164352f8022f6f2776133139a6996da844cecef3a223de31f
SHA1 hash: 9001f1dfa4e5eef13e10aa576d41d0561b7616e1
MD5 hash: f341b4a5c0a06527b76c573daad05db5
humanhash: hamper-monkey-mango-pennsylvania
File name:f341b4a5c0a06527b76c573daad05db5.exe
Download: download sample
Signature Stealc
File size:718'336 bytes
First seen:2024-10-28 13:30:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 13ed384fc8325e023ba0c600e33f3682 (1 x Stealc)
ssdeep 12288:8QjFJH19xNOMlz9jOh+PERt9eZfkNb5wSkbgMPgz4oMW:8OFpfTZs+PAtaSkbggTW
TLSH T198E40210F9A5D0B8C651417A4C34F6F86A7EFC32C1089A973B243F6F3D727856A56302
TrID 38.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
29.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 0c191a3070c0c000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://194.15.46.65/7e57db3b864b30f1.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://194.15.46.65/7e57db3b864b30f1.php https://threatfox.abuse.ch/ioc/1339801/

Intelligence


File Origin
# of uploads :
1
# of downloads :
441
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f341b4a5c0a06527b76c573daad05db5.exe
Verdict:
Malicious activity
Analysis date:
2024-10-28 13:33:21 UTC
Tags:
stealer stealc loader rust miner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Powershell Azorult Cobalt Lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
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:
Stealc, Vidar
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the hosts file
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Searches for specific processes (likely to inject)
Sigma detected: Disable power options
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop EventLog
Suricata IDS alerts for network traffic
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 (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)
Uses powercfg.exe to modify the power settings
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1543833 Sample: W9f3Fx6sL4.exe Startdate: 28/10/2024 Architecture: WINDOWS Score: 100 100 ntp.msn.com 2->100 102 msftstore.s.llnwi.net 2->102 104 campuspersever.es 2->104 124 Suricata IDS alerts for network traffic 2->124 126 Found malware configuration 2->126 128 Malicious sample detected (through community Yara rule) 2->128 130 13 other signatures 2->130 10 W9f3Fx6sL4.exe 38 2->10         started        15 updater.exe 2->15         started        17 msedge.exe 633 2->17         started        19 5 other processes 2->19 signatures3 process4 dnsIp5 116 194.15.46.65, 49706, 49730, 49813 VENUS-INTERNET-ASGB unknown 10->116 118 campuspersever.es 87.106.236.48, 443, 49831 ONEANDONE-ASBrauerstrasse48DE Germany 10->118 84 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->84 dropped 86 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->86 dropped 88 C:\Users\user\AppData\...\mozglue[1].dll, PE32 10->88 dropped 90 12 other files (8 malicious) 10->90 dropped 144 Detected unpacking (changes PE section rights) 10->144 146 Detected unpacking (overwrites its own PE header) 10->146 148 Tries to steal Mail credentials (via file / registry access) 10->148 156 7 other signatures 10->156 21 cmd.exe 10->21         started        23 chrome.exe 8 10->23         started        26 msedge.exe 2 11 10->26         started        29 WerFault.exe 10->29         started        150 Antivirus detection for dropped file 15->150 152 Multi AV Scanner detection for dropped file 15->152 154 Query firmware table information (likely to detect VMs) 15->154 158 5 other signatures 15->158 120 192.168.2.23 unknown unknown 17->120 32 msedge.exe 17->32         started        34 msedge.exe 17->34         started        36 msedge.exe 17->36         started        38 msedge.exe 17->38         started        122 127.0.0.1 unknown unknown 19->122 40 WerFault.exe 19->40         started        file6 signatures7 process8 dnsIp9 42 FBFCFIEBKE.exe 21->42         started        46 conhost.exe 21->46         started        106 192.168.2.8, 138, 443, 49311 unknown unknown 23->106 108 239.255.255.250 unknown Reserved 23->108 48 chrome.exe 23->48         started        134 Monitors registry run keys for changes 26->134 51 msedge.exe 26->51         started        92 C:\ProgramData\Microsoft\...\Report.wer, Unicode 29->92 dropped 110 ntp.msn.com 32->110 112 clients2.googleusercontent.com 32->112 114 26 other IPs or domains 32->114 file10 signatures11 process12 dnsIp13 80 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 42->80 dropped 82 C:\Windows\System32\drivers\etc\hosts, ASCII 42->82 dropped 136 Antivirus detection for dropped file 42->136 138 Multi AV Scanner detection for dropped file 42->138 140 Query firmware table information (likely to detect VMs) 42->140 142 8 other signatures 42->142 53 powershell.exe 42->53         started        56 cmd.exe 42->56         started        58 sc.exe 42->58         started        60 12 other processes 42->60 94 apis.google.com 48->94 96 www.google.com 142.250.186.68, 443, 49710, 49713 GOOGLEUS United States 48->96 98 2 other IPs or domains 48->98 file14 signatures15 process16 signatures17 132 Loading BitLocker PowerShell Module 53->132 62 conhost.exe 53->62         started        64 WmiPrvSE.exe 53->64         started        66 conhost.exe 56->66         started        68 wusa.exe 56->68         started        70 conhost.exe 58->70         started        72 conhost.exe 60->72         started        74 conhost.exe 60->74         started        76 conhost.exe 60->76         started        78 9 other processes 60->78 process18
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2024-10-28 13:31:05 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:xmrig botnet:logsdiller credential_access discovery evasion execution miner persistence spyware stealer themida trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Power Settings
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Themida packer
Unsecured Credentials: Credentials In Files
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Downloads MZ/PE file
Drops file in Drivers directory
Stops running service(s)
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
Stealc
Stealc family
Xmrig family
xmrig
Malware Config
C2 Extraction:
http://194.15.46.65
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
99823eaa7b052d962418da55e37266d731e853981d749304324a97622a7ddccc
MD5 hash:
3f1524fe3ef6965b8dce2d8113fe4db6
SHA1 hash:
7ef60eaa3ee4390d9dd9f35322e6028199778ec4
Detections:
stealc detect_Mars_Stealer
SH256 hash:
3d2718666c3752352b1eb6ffe954277708d1a75c607217a5c501c210929f11a4
MD5 hash:
f341b4a5c0a06527b76c573daad05db5
SHA1 hash:
9001f1dfa4e5eef13e10aa576d41d0561b7616e1
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stealc

Executable exe 3d2718666c3752352b1eb6ffe954277708d1a75c607217a5c501c210929f11a4

(this sample)

  
Delivery method
Distributed via web download

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments