MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6
SHA3-384 hash: 0b7e6ffbb366ece2d29108e78dd59ae52a6e3dbe6859a5763292e2ebc59d833181ced0bee9ea9987c357451a3e691ee1
SHA1 hash: a89fbdcbe3042189962c1c68853f34cd9c9a5c6b
MD5 hash: c5cc3918ae519563751641959f52ea48
humanhash: nebraska-fix-island-quiet
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'806'848 bytes
First seen:2024-12-09 23:40:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 24576:T3Dps2BoznfLfugorpbYiME9wwesoqmziZCkiMwNVl5PC5J1GYrqH8rnS6fyAuhK:zpAnTuV15n7skPwvoJIYr+QnSDA39v
Threatray 1 similar samples on MalwareBazaar
TLSH T1ED853354A511ED17F8D1A9317B4B42A2EAEC172D63318A7C0B41DB5C33AB6BADF0680C
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 :
1
# of downloads :
494
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-09 23:41:18 UTC
Tags:
lumma stealer loader themida stealc
Link:
https://app.any.run/tasks/78df1e30-42e0-443e-b414-e818a7417d80

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6858.25066.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675780114a662cb526573311
Tags:
autorun autoit spam lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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
Link:
https://www.filescan.io/uploads/67578011560b795ef3eca3b9/reports/d290dbee-a10b-4e01-83ac-7afa94dcc420/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/79b7e360-db61-49e3-bc14-cc1f1b360482
Result
Threat name:
Amadey, AsyncRAT, Credential Flusher, Lu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1572005
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops PE files to the document folder of the user
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Modifies windows update settings
PE file contains section with special chars
Potentially malicious time measurement code found
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 (process name or module or function)
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 Amadeys stealer DLL
Yara detected AsyncRAT
Yara detected Credential Flusher
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected VenomRAT
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1572005 Sample: file.exe Startdate: 10/12/2024 Architecture: WINDOWS Score: 100 120 youtube.com 2->120 122 shavar.services.mozilla.com 2->122 124 20 other IPs or domains 2->124 164 Suricata IDS alerts for network traffic 2->164 166 Found malware configuration 2->166 168 Malicious sample detected (through community Yara rule) 2->168 170 22 other signatures 2->170 9 skotes.exe 4 34 2->9         started        14 file.exe 36 2->14         started        16 d985563cac.exe 2->16         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 140 185.215.113.43, 49778, 49784, 80 WHOLESALECONNECTIONSNL Portugal 9->140 142 31.41.244.11, 49790, 80 AEROEXPRESS-ASRU Russian Federation 9->142 96 C:\Users\user\AppData\...\c20459f2e6.exe, PE32 9->96 dropped 98 C:\Users\user\AppData\...\1124f3753f.exe, PE32 9->98 dropped 100 C:\Users\user\AppData\...\f1628a2a52.exe, PE32 9->100 dropped 108 9 other malicious files 9->108 dropped 198 Creates multiple autostart registry keys 9->198 200 Hides threads from debuggers 9->200 202 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->202 20 n4e23hz.exe 56 9->20         started        25 1124f3753f.exe 9->25         started        27 d985563cac.exe 9->27         started        37 4 other processes 9->37 144 185.215.113.206, 49730, 49749, 49760 WHOLESALECONNECTIONSNL Portugal 14->144 146 185.215.113.16, 49759, 80 WHOLESALECONNECTIONSNL Portugal 14->146 148 127.0.0.1 unknown unknown 14->148 102 C:\Users\user\Documents\CAFIJKFHIJ.exe, PE32 14->102 dropped 104 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->104 dropped 106 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->106 dropped 110 12 other files (8 malicious) 14->110 dropped 204 Detected unpacking (changes PE section rights) 14->204 206 Attempt to bypass Chrome Application-Bound Encryption 14->206 208 Drops PE files to the document folder of the user 14->208 220 5 other signatures 14->220 29 cmd.exe 1 14->29         started        31 chrome.exe 14->31         started        210 Query firmware table information (likely to detect VMs) 16->210 212 Tries to harvest and steal ftp login credentials 16->212 214 Tries to steal Crypto Currency Wallets 16->214 216 Tries to harvest and steal browser information (history, passwords, etc) 18->216 218 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->218 33 firefox.exe 18->33         started        35 taskkill.exe 18->35         started        39 3 other processes 18->39 file6 signatures7 process8 dnsIp9 126 205.209.109.10 IS-AS-1US United States 20->126 136 4 other IPs or domains 20->136 78 C:\Users\user\AppData\...\YPSIACHYXW.png, ASCII 20->78 dropped 80 C:\Users\user\AppData\...\UMMBDNEQBN.docx, ASCII 20->80 dropped 82 C:\Users\user\AppData\...\BPMLNOBVSB.png, ASCII 20->82 dropped 84 C:\Users\user\AppData\...\UMMBDNEQBN.docx, ASCII 20->84 dropped 172 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->172 174 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 20->174 176 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->176 192 3 other signatures 20->192 178 Detected unpacking (changes PE section rights) 25->178 180 Modifies windows update settings 25->180 194 3 other signatures 25->194 128 atten-supporse.biz 104.21.80.1 CLOUDFLARENETUS United States 27->128 182 Query firmware table information (likely to detect VMs) 27->182 184 Found many strings related to Crypto-Wallets (likely being stolen) 27->184 196 2 other signatures 27->196 41 chrome.exe 27->41         started        43 CAFIJKFHIJ.exe 4 29->43         started        47 conhost.exe 29->47         started        130 192.168.2.4, 443, 49672, 49730 unknown unknown 31->130 132 239.255.255.250 unknown Reserved 31->132 49 chrome.exe 31->49         started        138 6 other IPs or domains 33->138 86 C:\Users\user\AppData\...\places.sqlite-wal, SQLite 33->86 dropped 56 2 other processes 33->56 52 conhost.exe 35->52         started        134 80.82.65.70 INT-NETWORKSC Netherlands 37->134 88 C:\Users\user\AppData\Local\...\Y-Cleaner.exe, PE32 37->88 dropped 90 C:\Users\user\...\Bunifu_UI_v1.5.3.dll, PE32 37->90 dropped 92 C:\Users\user\AppData\Local\...\soft[1], PE32 37->92 dropped 94 C:\Users\user\AppData\Local\...\dll[1], PE32 37->94 dropped 186 Binary is likely a compiled AutoIt script file 37->186 188 Tries to detect sandboxes and other dynamic analysis tools (window names) 37->188 190 Hides threads from debuggers 37->190 54 taskkill.exe 37->54         started        58 6 other processes 37->58 60 3 other processes 39->60 file10 signatures11 process12 dnsIp13 62 chrome.exe 41->62         started        112 C:\Users\user\AppData\Local\...\skotes.exe, PE32 43->112 dropped 222 Detected unpacking (changes PE section rights) 43->222 224 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 43->224 226 Tries to evade debugger and weak emulator (self modifying code) 43->226 228 5 other signatures 43->228 65 skotes.exe 43->65         started        114 www.google.com 142.250.181.68, 443, 49734, 49735 GOOGLEUS United States 49->114 116 spocs.getpocket.com 49->116 118 3 other IPs or domains 49->118 68 conhost.exe 54->68         started        70 conhost.exe 58->70         started        72 conhost.exe 58->72         started        74 conhost.exe 58->74         started        76 conhost.exe 58->76         started        file14 signatures15 process16 dnsIp17 150 www.google.com 62->150 152 shed.dual-low.s-part-0035.t-0009.t-msedge.net 62->152 154 5 other IPs or domains 62->154 156 Detected unpacking (changes PE section rights) 65->156 158 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 65->158 160 Tries to evade debugger and weak emulator (self modifying code) 65->160 162 3 other signatures 65->162 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-12-09 23:41:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hob3vgevt6fyyaj5nnx6ssyxyxpjtmnhtdnc6wztulb343u3dc3a._file
Verdict:
malicious
Label(s):
amadey
Create hunting rule
Similar samples:
3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6
Stealc
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:asyncrat family:gcleaner family:lumma family:stealc botnet:9c9aa5 botnet:default botnet:stok credential_access discovery evasion loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/241209-3pegrswjdz/
Behaviour
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Checks processor information in registry
Enumerates system info in registry
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Windows security modification
Downloads MZ/PE file
Uses browser remote debugging
Async RAT payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
AsyncRat
Asyncrat family
GCleaner
Gcleaner family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
205.209.109.10:4449
205.209.109.10:7723
https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://atten-supporse.biz/api
Verdict:
Suspicious
Tags:
Stealc Stealer
YARA:
n/a
Link:
https://app.threat.zone/submission/b6702759-126b-48d7-b6ad-44392abc3dc9
Unpacked files
SH256 hash:
e106a4caa19dce2faf1836bad8b2992a1fc85315aeba720cceb2f96d4e4cdb9f
MD5 hash:
de35ac4a5a2b37a3f84280510d9ead0a
SHA1 hash:
aa0db1550550f9d8b7ce72ed0f6830ff4957033c
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/e70c3283-fb80-4cb5-80ea-a42b2a24fe55/
SH256 hash:
3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6
MD5 hash:
c5cc3918ae519563751641959f52ea48
SHA1 hash:
a89fbdcbe3042189962c1c68853f34cd9c9a5c6b
Link:
https://www.unpac.me/results/e70c3283-fb80-4cb5-80ea-a42b2a24fe55/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b83ba98959f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Stealc

Executable exe 3b83ba98959f8b8c013d6b6fe94b17c5de99b1a798da2f5b33a2c3be6e9b18b6

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3284801/
  
URLhaus
https://urlhaus.abuse.ch/url/3337914/

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