MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 359a61c84208516ab566e6f413ce19932c80b5ed07753d541c44ba54af3a24fe. 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: 18


Intelligence 18 IOCs 1 YARA 2 File information Comments

SHA256 hash: 359a61c84208516ab566e6f413ce19932c80b5ed07753d541c44ba54af3a24fe
SHA3-384 hash: 041bfb7a6d7f103bd6500f10cf2bae51a2d7394333ebbf60db480bee740cbfcb4032f3a8501e5d7f526969e79ac6c699
SHA1 hash: 680c37c81abc9e6f57313066804b717ff785a537
MD5 hash: b5c75e5fad47d2b5fa53d79ecec35d5a
humanhash: lemon-music-violet-wolfram
File name:b5c75e5fad47d2b5fa53d79ecec35d5a.exe
Download: download sample
Signature Stealc
File size:685'568 bytes
First seen:2024-11-03 15:10:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7277f7a548e8f2bda7006e1ea4bc6000 (2 x Stealc)
ssdeep 12288:i1QV2ljWero0Hbe553I/nOBJ9dQB81Nl0PGBPaVk2IT:i1QwKeb7j/nSVQ+gPGuIT
TLSH T193E4F107E1E27CA9D6664B718D1EC3F8362EB162CE15676B33982B6F09711B2D273701
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 020a0a002040a000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://95.215.207.66/7236dc035cc2a70a.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://95.215.207.66/7236dc035cc2a70a.php https://threatfox.abuse.ch/ioc/1340743/

Intelligence


File Origin
# of uploads :
1
# of downloads :
398
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b5c75e5fad47d2b5fa53d79ecec35d5a.exe
Verdict:
Malicious activity
Analysis date:
2024-11-03 15:35:49 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:
97.4%
Tags:
powershell 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 xpack
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
Attempt to bypass Chrome Application-Bound Encryption
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 submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
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: 1548030 Sample: ARw1Gy3UsZ.exe Startdate: 03/11/2024 Architecture: WINDOWS Score: 100 81 gosp.davidmolins.com 2->81 103 Suricata IDS alerts for network traffic 2->103 105 Found malware configuration 2->105 107 Malicious sample detected (through community Yara rule) 2->107 109 13 other signatures 2->109 10 ARw1Gy3UsZ.exe 37 2->10         started        15 updater.exe 2->15         started        17 svchost.exe 1 1 2->17         started        19 svchost.exe 3 8 2->19         started        signatures3 process4 dnsIp5 89 95.215.207.66, 49730, 57057, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 10->89 91 gosp.davidmolins.com 87.106.236.48, 443, 57058 ONEANDONE-ASBrauerstrasse48DE Germany 10->91 69 C:\ProgramData\nss3.dll, PE32 10->69 dropped 71 C:\ProgramDataHJJECBKKE.exe, PE32+ 10->71 dropped 73 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 10->73 dropped 75 12 other files (none is malicious) 10->75 dropped 113 Detected unpacking (changes PE section rights) 10->113 115 Detected unpacking (overwrites its own PE header) 10->115 117 Attempt to bypass Chrome Application-Bound Encryption 10->117 125 8 other signatures 10->125 21 cmd.exe 1 10->21         started        23 chrome.exe 10->23         started        26 WerFault.exe 21 16 10->26         started        119 Query firmware table information (likely to detect VMs) 15->119 121 Tries to detect sandboxes and other dynamic analysis tools (window names) 15->121 123 Hides threads from debuggers 15->123 127 3 other signatures 15->127 93 127.0.0.1 unknown unknown 17->93 29 WerFault.exe 2 19->29         started        file6 signatures7 process8 dnsIp9 31 EHJJECBKKE.exe 1 3 21->31         started        35 conhost.exe 21->35         started        85 192.168.2.4, 443, 49723, 49724 unknown unknown 23->85 87 239.255.255.250 unknown Reserved 23->87 37 chrome.exe 23->37         started        67 C:\ProgramData\Microsoft\...\Report.wer, Unicode 26->67 dropped file10 process11 dnsIp12 77 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 31->77 dropped 79 C:\Windows\System32\drivers\etc\hosts, ASCII 31->79 dropped 95 Query firmware table information (likely to detect VMs) 31->95 97 Uses powercfg.exe to modify the power settings 31->97 99 Modifies the hosts file 31->99 101 6 other signatures 31->101 40 powershell.exe 23 31->40         started        43 cmd.exe 31->43         started        45 sc.exe 31->45         started        47 12 other processes 31->47 83 www.google.com 142.250.185.196, 443, 49746, 49747 GOOGLEUS United States 37->83 file13 signatures14 process15 signatures16 111 Loading BitLocker PowerShell Module 40->111 49 conhost.exe 40->49         started        51 WmiPrvSE.exe 40->51         started        53 conhost.exe 43->53         started        55 wusa.exe 43->55         started        57 conhost.exe 45->57         started        59 conhost.exe 47->59         started        61 conhost.exe 47->61         started        63 conhost.exe 47->63         started        65 9 other processes 47->65 process17
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-11-03 15:11:04 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
20 of 24 (83.33%)
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://95.215.207.66
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
359a61c84208516ab566e6f413ce19932c80b5ed07753d541c44ba54af3a24fe
MD5 hash:
b5c75e5fad47d2b5fa53d79ecec35d5a
SHA1 hash:
680c37c81abc9e6f57313066804b717ff785a537
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 359a61c84208516ab566e6f413ce19932c80b5ed07753d541c44ba54af3a24fe

(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::CreateProcessA
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::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
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::GetFileAttributesA
KERNEL32.dll::GetTempFileNameA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

Comments