MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53fc9dbb8f88ff2154f9933e18def333cafcb2543291981bf08e2e7100b82a4a. 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: 53fc9dbb8f88ff2154f9933e18def333cafcb2543291981bf08e2e7100b82a4a
SHA3-384 hash: ced2deedf45f664d8fdc0fbd5630b0e5583106df06f41a8a652f2cab35305cc64954faee9c8e679e31dd320a8e1e3445
SHA1 hash: c245af7236c03b1eb5cbd705bbd58afd06c6cd1e
MD5 hash: 5238b5218e330d7606012189ce80a9ee
humanhash: friend-apart-virginia-wolfram
File name:5238b5218e330d7606012189ce80a9ee.exe
Download: download sample
Signature Stealc
File size:363'520 bytes
First seen:2024-10-23 06:35:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dce014f6a4dd4d786fbf4a89773432b (2 x Stealc)
ssdeep 6144:3nL4/2lfICSMnQCRs/Xgpi7/xpQ7afN+EEXgG3nSL:3pfJSLdg2jQullc3nS
Threatray 231 similar samples on MalwareBazaar
TLSH T10D74F15035C1C4B1C9AA11740834D7E8A67FF8326658E49BF3942B6E5E313E09BF6B4B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 8882cebe968e8690 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://92.119.114.74/b5b230daad1e99a0.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://92.119.114.74/b5b230daad1e99a0.php https://threatfox.abuse.ch/ioc/1338751/

Intelligence


File Origin
# of uploads :
1
# of downloads :
407
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5238b5218e330d7606012189ce80a9ee.exe
Verdict:
Malicious activity
Analysis date:
2024-10-23 08:03:33 UTC
Tags:
stealc stealer

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
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 xpack
Result
Verdict:
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
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: 1539931 Sample: vkkTIT6kcx.exe Startdate: 23/10/2024 Architecture: WINDOWS Score: 100 75 sirault.be 2->75 83 Suricata IDS alerts for network traffic 2->83 85 Found malware configuration 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 13 other signatures 2->89 10 vkkTIT6kcx.exe 36 2->10         started        15 updater.exe 2->15         started        17 svchost.exe 3 8 2->17         started        19 svchost.exe 11 1 2->19         started        signatures3 process4 dnsIp5 77 92.119.114.74, 49718, 49874, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 10->77 79 sirault.be 185.98.131.200, 443, 49822 RMI-FITECHFR France 10->79 63 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->63 dropped 65 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->65 dropped 67 C:\Users\user\AppData\...\mozglue[1].dll, PE32 10->67 dropped 69 10 other files (6 malicious) 10->69 dropped 91 Detected unpacking (changes PE section rights) 10->91 93 Detected unpacking (overwrites its own PE header) 10->93 95 Tries to steal Mail credentials (via file / registry access) 10->95 103 6 other signatures 10->103 21 cmd.exe 1 10->21         started        23 WerFault.exe 19 16 10->23         started        97 Antivirus detection for dropped file 15->97 99 Multi AV Scanner detection for dropped file 15->99 101 Query firmware table information (likely to detect VMs) 15->101 105 5 other signatures 15->105 26 WerFault.exe 2 17->26         started        file6 signatures7 process8 file9 28 JJDGCGHCGH.exe 1 3 21->28         started        32 conhost.exe 21->32         started        61 C:\ProgramData\Microsoft\...\Report.wer, Unicode 23->61 dropped process10 file11 71 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 28->71 dropped 73 C:\Windows\System32\drivers\etc\hosts, ASCII 28->73 dropped 107 Antivirus detection for dropped file 28->107 109 Multi AV Scanner detection for dropped file 28->109 111 Query firmware table information (likely to detect VMs) 28->111 113 8 other signatures 28->113 34 powershell.exe 23 28->34         started        37 cmd.exe 1 28->37         started        39 sc.exe 28->39         started        41 12 other processes 28->41 signatures12 process13 signatures14 81 Loading BitLocker PowerShell Module 34->81 43 WmiPrvSE.exe 34->43         started        45 conhost.exe 34->45         started        47 conhost.exe 37->47         started        49 wusa.exe 37->49         started        51 conhost.exe 39->51         started        53 conhost.exe 41->53         started        55 conhost.exe 41->55         started        57 conhost.exe 41->57         started        59 9 other processes 41->59 process15
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-10-23 06:36:07 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
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://92.119.114.74
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43
MD5 hash:
2ec23e83e2f63ab27c25741b1f4d7f49
SHA1 hash:
bb231b274bd66393fa830a44e6d4447d4399eeb9
SH256 hash:
53fc9dbb8f88ff2154f9933e18def333cafcb2543291981bf08e2e7100b82a4a
MD5 hash:
5238b5218e330d7606012189ce80a9ee
SHA1 hash:
c245af7236c03b1eb5cbd705bbd58afd06c6cd1e
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 53fc9dbb8f88ff2154f9933e18def333cafcb2543291981bf08e2e7100b82a4a

(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::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetTempFileNameW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

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