MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe. 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 8 File information Comments

SHA256 hash: bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe
SHA3-384 hash: bfcd81be3cd90e9ecbda3c6d2db5880fd78975302a2a175c6e0204a8e84ad23bec38450ff414c7416bfbe525432b623b
SHA1 hash: ad6838c2971e01120b5f1c4a264d090c74fa0816
MD5 hash: 082c8a659fa07a63f6078b1cbd00ae2a
humanhash: avocado-august-aspen-juliet
File name:file
Download: download sample
Signature Stealc
File size:221'600 bytes
First seen:2024-09-17 10:45:30 UTC
Last seen:2024-09-17 10:53:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:XTlqP0Xx9vlkheKNH+exE+NkO24Y9EV9GEO:jlbXLCh8ElCNEV9GEO
Threatray 1 similar samples on MalwareBazaar
TLSH T1B124123403C42C26DDEB5E313882E532BF7176A52EC3C9E72766C292A6493543B24776
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe illuminazioneproduzione-it Stealc


Avatar
Bitsight
url: https://illuminazioneproduzione.it/sgnsd.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-17 11:09:05 UTC
Tags:
stealer stealc loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
Encryption Static
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
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:
LummaC, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1512421 Sample: file.exe Startdate: 17/09/2024 Architecture: WINDOWS Score: 100 59 illuminazioneproduzione.it 2->59 69 Multi AV Scanner detection for domain / URL 2->69 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 13 other signatures 2->75 12 file.exe 2 2->12         started        signatures3 process4 file5 53 C:\Users\user\AppData\Local\...\file.exe.log, CSV 12->53 dropped 85 Contains functionality to inject code into remote processes 12->85 87 Writes to foreign memory regions 12->87 89 Allocates memory in foreign processes 12->89 91 Injects a PE file into a foreign processes 12->91 16 RegAsm.exe 39 12->16         started        21 conhost.exe 12->21         started        signatures6 process7 dnsIp8 55 46.8.231.109, 49714, 80 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 16->55 57 illuminazioneproduzione.it 80.88.87.221, 443, 49716, 49718 ARUBA-ASNIT Italy 16->57 43 C:\Users\user\AppData\Local\...\vfasmd[1].exe, PE32 16->43 dropped 45 C:\Users\user\AppData\...\softokn3[1].dll, PE32 16->45 dropped 47 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->47 dropped 49 13 other files (9 malicious) 16->49 dropped 61 Tries to steal Mail credentials (via file / registry access) 16->61 63 Tries to harvest and steal ftp login credentials 16->63 65 Tries to harvest and steal browser information (history, passwords, etc) 16->65 67 4 other signatures 16->67 23 cmd.exe 1 16->23         started        25 cmd.exe 2 16->25         started        file9 signatures10 process11 process12 27 userBAECFHJEBA.exe 2 23->27         started        30 conhost.exe 23->30         started        32 conhost.exe 25->32         started        signatures13 77 Machine Learning detection for dropped file 27->77 79 Writes to foreign memory regions 27->79 81 Allocates memory in foreign processes 27->81 83 2 other signatures 27->83 34 RegAsm.exe 1 27->34         started        37 conhost.exe 27->37         started        process14 file15 51 C:\Program Files\...\HQRTAXYU7U6PB5CO22MC.exe, PE32 34->51 dropped 39 HQRTAXYU7U6PB5CO22MC.exe 2 34->39         started        process16 process17 41 conhost.exe 39->41         started       
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-09-17 10:46:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:vidar botnet:default credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Stealc
Vidar
Malware Config
C2 Extraction:
http://46.8.231.109
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
Unpacked files
SH256 hash:
e0092d9787dcdc6444342b6be1c84fcbcfbff52110577599db455a61f3f981da
MD5 hash:
db0fabbc7f075bc72451ee8335303820
SHA1 hash:
f50039646ac66e3e3e044ab2f8aac65941a2716d
Detections:
stealc
SH256 hash:
bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe
MD5 hash:
082c8a659fa07a63f6078b1cbd00ae2a
SHA1 hash:
ad6838c2971e01120b5f1c4a264d090c74fa0816
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:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Stealc

Executable exe bf4bd835390e2607c737360a2527ea292bd0451507f93b623d3f9bbf4036c2fe

(this sample)

  
Dropped by
Privateloader
  
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 (GUARD_CF)high

Comments