MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4b4fdaf9b3a29d213a3ff343aef378c807533c4048442e0c54df59e05f98e97. 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 YARA File information Comments

SHA256 hash: f4b4fdaf9b3a29d213a3ff343aef378c807533c4048442e0c54df59e05f98e97
SHA3-384 hash: dbe3e9b6f84fa1445e9ebbfd72e159765e9bc1c3b00e6a7b43760e1d2c7c8b97a67459b496e915f083c0d1a269d57b14
SHA1 hash: 00449512d4aecb7049c133533204adbde09ff997
MD5 hash: 91d9c2366d2dcdde8fe0d808f4ee79c3
humanhash: fix-beryllium-cardinal-apart
File name:file
Download: download sample
Signature Stealc
File size:2'116'096 bytes
First seen:2024-11-01 19:13:45 UTC
Last seen:2024-11-01 21:21:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:NcM6tNu8fZG5E/ckKT2RLyFHphS9csg89cYxBCtDc:NX6tNu/QctC8FPe4/to
TLSH T1F6A53354CED14CBFFDF16235C8636683BBA1288C848C65B73B1B9B699085EE5B07C217
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.16/steam/random.exe

Intelligence


File Origin
# of uploads :
24
# of downloads :
390
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-01 19:17:23 UTC
Tags:
stealer stealc loader rust themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
powershell lien spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.spyw.evad
Score:
100 / 100
Signature
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)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses string decryption to hide its real strings
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 detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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)
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1547042 Sample: file.exe Startdate: 01/11/2024 Architecture: WINDOWS Score: 100 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 9 other signatures 2->67 7 file.exe 35 2->7         started        12 msedge.exe 68 631 2->12         started        process3 dnsIp4 51 185.215.113.206, 49711, 49829, 49912 WHOLESALECONNECTIONSNL Portugal 7->51 53 127.0.0.1 unknown unknown 7->53 33 C:\ProgramData\nss3.dll, PE32 7->33 dropped 35 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->35 dropped 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->37 dropped 39 10 other files (none is malicious) 7->39 dropped 69 Detected unpacking (changes PE section rights) 7->69 71 Attempt to bypass Chrome Application-Bound Encryption 7->71 73 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->73 77 11 other signatures 7->77 14 msedge.exe 2 10 7->14         started        17 chrome.exe 7->17         started        75 Maps a DLL or memory area into another process 12->75 20 msedge.exe 12->20         started        22 msedge.exe 12->22         started        24 msedge.exe 12->24         started        26 3 other processes 12->26 file5 signatures6 process7 dnsIp8 79 Monitors registry run keys for changes 14->79 28 msedge.exe 14->28         started        41 192.168.2.6, 443, 49706, 49707 unknown unknown 17->41 43 239.255.255.250 unknown Reserved 17->43 30 chrome.exe 17->30         started        45 18.160.156.115, 443, 49989, 50001 MIT-GATEWAYSUS United States 20->45 47 13.107.246.57, 443, 49922, 49932 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->47 49 22 other IPs or domains 20->49 signatures9 process10 dnsIp11 55 play.google.com 142.250.184.206, 443, 49823 GOOGLEUS United States 30->55 57 www.google.com 142.250.185.68, 443, 49766, 49774 GOOGLEUS United States 30->57 59 2 other IPs or domains 30->59
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-11-01 19:14:07 UTC
File Type:
PE (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:tale discovery evasion stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
fc94bb0967c20e395687a64da130c463ce1dde3cf7356bda3ef38bbec3a51a80
MD5 hash:
9c18cbc75b1873166ead6348dee5697b
SHA1 hash:
a7328260e17e2d25d44679b16ae3c78d98e82c7d
Detections:
stealc win_stealc_w0 win_stealc_a0 detect_Mars_Stealer
SH256 hash:
f4b4fdaf9b3a29d213a3ff343aef378c807533c4048442e0c54df59e05f98e97
MD5 hash:
91d9c2366d2dcdde8fe0d808f4ee79c3
SHA1 hash:
00449512d4aecb7049c133533204adbde09ff997
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Stealc

Executable exe f4b4fdaf9b3a29d213a3ff343aef378c807533c4048442e0c54df59e05f98e97

(this sample)

  
Dropped by
Amadey
  
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

Comments