MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68137be68173e0258cabb670f93c1ce81669acd367119e268568d5781496ca61. 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: 16


Intelligence 16 IOCs 1 YARA 2 File information Comments

SHA256 hash: 68137be68173e0258cabb670f93c1ce81669acd367119e268568d5781496ca61
SHA3-384 hash: b3610e13be7415eaede0409fcc627439eb4e5b15f49e877cbb7c0a5035587dba727f1b5797f6e4617a7c728d427d3865
SHA1 hash: 83efd5987a1874bc00cbab51bbcbe00dba1f1b39
MD5 hash: f33c7b978d078a797f2ee0d6d0783682
humanhash: speaker-spaghetti-solar-jersey
File name:f33c7b978d078a797f2ee0d6d0783682.exe
Download: download sample
Signature Stealc
File size:391'168 bytes
First seen:2024-10-23 10:35:21 UTC
Last seen:2024-10-23 11:51:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash be15a4117bceca854b960ec90ef74c13 (2 x Stealc)
ssdeep 3072:VUVF4fI95c1wYBcG9N8c8lk+J76sw30WF2ozwPAPnJOVGXagKW1ZJOTxx5P/u5ls:VqKwYBfnw5WFd9PEoZe/o7A4XXJ
TLSH T1FB848C8261F1E919EFB7CB325E3996E4A63FFC525E34627E31043A3F08726A18552713
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 000a232121120200 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.201.252.118/ef952bc0f542da4b.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.201.252.118/ef952bc0f542da4b.php https://threatfox.abuse.ch/ioc/1338972/

Intelligence


File Origin
# of uploads :
2
# of downloads :
396
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f33c7b978d078a797f2ee0d6d0783682.exe
Verdict:
Malicious activity
Analysis date:
2024-10-23 10:47:44 UTC
Tags:
stealer stealc loader 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 Cobalt Lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP GET request
Сreating synchronization primitives
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:
SUSPICIOUS
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 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
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: 1540102 Sample: X2lvDxMUmn.exe Startdate: 23/10/2024 Architecture: WINDOWS Score: 100 73 sirault.be 2->73 81 Suricata IDS alerts for network traffic 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 11 other signatures 2->87 10 X2lvDxMUmn.exe 36 2->10         started        15 updater.exe 2->15         started        17 svchost.exe 3 8 2->17         started        signatures3 process4 dnsIp5 75 185.201.252.118, 49711, 49853, 80 INFRANET-ASIT Netherlands 10->75 77 sirault.be 185.98.131.200, 443, 49796 RMI-FITECHFR France 10->77 65 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->65 dropped 67 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->67 dropped 69 C:\Users\user\AppData\...\mozglue[1].dll, PE32 10->69 dropped 71 10 other files (6 malicious) 10->71 dropped 97 Detected unpacking (changes PE section rights) 10->97 99 Detected unpacking (overwrites its own PE header) 10->99 101 Tries to steal Mail credentials (via file / registry access) 10->101 109 7 other signatures 10->109 19 cmd.exe 1 10->19         started        21 WerFault.exe 22 16 10->21         started        103 Antivirus detection for dropped file 15->103 105 Multi AV Scanner detection for dropped file 15->105 107 Query firmware table information (likely to detect VMs) 15->107 111 5 other signatures 15->111 24 WerFault.exe 2 17->24         started        file6 signatures7 process8 file9 26 CFHCBKKFIJ.exe 1 3 19->26         started        30 conhost.exe 19->30         started        59 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->59 dropped process10 file11 61 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 26->61 dropped 63 C:\Windows\System32\drivers\etc\hosts, ASCII 26->63 dropped 89 Antivirus detection for dropped file 26->89 91 Multi AV Scanner detection for dropped file 26->91 93 Query firmware table information (likely to detect VMs) 26->93 95 8 other signatures 26->95 32 powershell.exe 23 26->32         started        35 cmd.exe 1 26->35         started        37 sc.exe 1 26->37         started        39 12 other processes 26->39 signatures12 process13 signatures14 79 Loading BitLocker PowerShell Module 32->79 41 WmiPrvSE.exe 32->41         started        43 conhost.exe 32->43         started        45 conhost.exe 35->45         started        47 wusa.exe 35->47         started        49 conhost.exe 37->49         started        51 conhost.exe 39->51         started        53 conhost.exe 39->53         started        55 conhost.exe 39->55         started        57 9 other processes 39->57 process15
Verdict:
malicious
Label(s):
shellcode_loader_002 stealc
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
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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)
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
Stealc
xmrig
Malware Config
C2 Extraction:
http://185.201.252.118
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43
MD5 hash:
2ec23e83e2f63ab27c25741b1f4d7f49
SHA1 hash:
bb231b274bd66393fa830a44e6d4447d4399eeb9
SH256 hash:
68137be68173e0258cabb670f93c1ce81669acd367119e268568d5781496ca61
MD5 hash:
f33c7b978d078a797f2ee0d6d0783682
SHA1 hash:
83efd5987a1874bc00cbab51bbcbe00dba1f1b39
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 68137be68173e0258cabb670f93c1ce81669acd367119e268568d5781496ca61

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CopyFileA
KERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::QueryServiceLockStatusW

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