MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50e4484fb6ee4b27ba6e22b5d65e5da71a5699e92999cc0ea450d5c90f3b5361. 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 1 File information Comments

SHA256 hash: 50e4484fb6ee4b27ba6e22b5d65e5da71a5699e92999cc0ea450d5c90f3b5361
SHA3-384 hash: 5810edbda2725fb81c51e87066c4b0d49b6a2a124f3ee218ad654a90d95c0394a882751f489adc3839d96b6660a26afc
SHA1 hash: a90f5209ca0d56938957ed8f5122de984e6ebbe4
MD5 hash: 941507da4995f8296b61a3a35d8b406d
humanhash: may-delaware-foxtrot-video
File name:file
Download: download sample
Signature Stealc
File size:5'180'416 bytes
First seen:2024-12-05 12:27:34 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 98304:39hObHjvS2UhDHtvS2aesYTM/vsobzTwaQH+P6GpuvRI:dw8l+PLA
TLSH T19E364B616405A1CFE78A22F48127CD4699DDF6A74B182DC3E85C637E7E23DCC1AB6C24
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 :
443
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
65d41daec75d44ef22be91e6270ab3a1e6dfbf28928dd698c76e3842383db80c
Verdict:
Malicious activity
Analysis date:
2024-12-05 13:25:18 UTC
Tags:
lumma stealer amadey botnet loader themida stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect autorun autoit spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
anti-vm microsoft_visual_cc packed packed packer_detected
Result
Threat name:
Amadey, Credential Flusher, Cryptbot, Lu
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Drops large PE files
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
Leaks process information
Machine Learning detection for dropped file
Machine Learning detection for sample
Monitors registry run keys for changes
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)
Sample uses string decryption to hide its real strings
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 Credential Flusher
Yara detected Cryptbot
Yara detected LummaC Stealer
Yara detected Nymaim
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1569108 Sample: file.exe Startdate: 05/12/2024 Architecture: WINDOWS Score: 100 104 dare-curbys.biz 2->104 106 atten-supporse.biz 2->106 108 6 other IPs or domains 2->108 136 Suricata IDS alerts for network traffic 2->136 138 Found malware configuration 2->138 140 Antivirus detection for dropped file 2->140 142 19 other signatures 2->142 9 skotes.exe 2->9         started        14 file.exe 36 2->14         started        16 43d472040b.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 dnsIp5 124 185.215.113.43, 49901, 49907, 80 WHOLESALECONNECTIONSNL Portugal 9->124 126 31.41.244.11, 49912, 80 AEROEXPRESS-ASRU Russian Federation 9->126 82 C:\Users\user\AppData\...\b49885cc5b.exe, PE32 9->82 dropped 84 C:\Users\user\AppData\...\d9f412d9a4.exe, PE32 9->84 dropped 86 C:\Users\user\AppData\...\265786c5fd.exe, PE32 9->86 dropped 94 11 other malicious files 9->94 dropped 176 Detected unpacking (changes PE section rights) 9->176 178 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 9->178 180 Creates multiple autostart registry keys 9->180 194 4 other signatures 9->194 20 43d472040b.exe 9->20         started        24 ff56b72799.exe 9->24         started        27 rhnew.exe 9->27         started        37 3 other processes 9->37 128 185.215.113.16, 49863, 80 WHOLESALECONNECTIONSNL Portugal 14->128 130 185.215.113.206, 49721, 49781, 49826 WHOLESALECONNECTIONSNL Portugal 14->130 88 C:\Users\user\Documents\DBFIDGIIIJ.exe, PE32 14->88 dropped 90 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->90 dropped 92 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->92 dropped 96 11 other files (7 malicious) 14->96 dropped 182 Attempt to bypass Chrome Application-Bound Encryption 14->182 184 Drops PE files to the document folder of the user 14->184 186 Tries to steal Mail credentials (via file / registry access) 14->186 196 4 other signatures 14->196 29 cmd.exe 1 14->29         started        31 msedge.exe 2 10 14->31         started        33 chrome.exe 14->33         started        188 Query firmware table information (likely to detect VMs) 16->188 190 Tries to harvest and steal ftp login credentials 16->190 192 Tries to harvest and steal browser information (history, passwords, etc) 16->192 132 127.0.0.1 unknown unknown 18->132 35 msedge.exe 18->35         started        file6 signatures7 process8 dnsIp9 110 atten-supporse.biz 104.21.16.9 CLOUDFLARENETUS United States 20->110 144 Multi AV Scanner detection for dropped file 20->144 146 Detected unpacking (changes PE section rights) 20->146 148 Query firmware table information (likely to detect VMs) 20->148 166 2 other signatures 20->166 112 home.fvtekx5vs.top 34.17.28.197 ATGS-MMD-ASUS United States 24->112 114 fvtekx5vs.top 24->114 116 httpbin.org 44.196.3.45 AMAZON-AESUS United States 24->116 76 C:\Users\user\AppData\...\service123.exe, PE32 24->76 dropped 78 C:\Users\user\...\ZZmnHrfutuBRZqgRbrVC.dll, PE32 24->78 dropped 150 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 24->150 152 Drops large PE files 24->152 154 Tries to evade debugger and weak emulator (self modifying code) 24->154 39 chrome.exe 24->39         started        118 dare-curbys.biz 104.21.43.156 CLOUDFLARENETUS United States 27->118 156 Hides threads from debuggers 27->156 158 Tries to detect sandboxes / dynamic malware analysis system (registry check) 27->158 160 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 27->160 41 DBFIDGIIIJ.exe 4 29->41         started        45 conhost.exe 29->45         started        162 Monitors registry run keys for changes 31->162 47 msedge.exe 31->47         started        120 239.255.255.250 unknown Reserved 33->120 49 chrome.exe 33->49         started        122 92.63.197.221 NOVOGARA-ASNL Russian Federation 37->122 164 Binary is likely a compiled AutoIt script file 37->164 52 taskkill.exe 37->52         started        54 taskkill.exe 37->54         started        56 taskkill.exe 37->56         started        58 3 other processes 37->58 file10 signatures11 process12 dnsIp13 60 chrome.exe 39->60         started        80 C:\Users\user\AppData\Local\...\skotes.exe, PE32 41->80 dropped 168 Detected unpacking (changes PE section rights) 41->168 170 Tries to evade debugger and weak emulator (self modifying code) 41->170 172 Tries to detect virtualization through RDTSC time measurements 41->172 174 3 other signatures 41->174 63 skotes.exe 41->63         started        98 www.google.com 142.250.181.100, 443, 49742, 49748 GOOGLEUS United States 49->98 100 plus.l.google.com 142.250.181.110, 443, 49790 GOOGLEUS United States 49->100 102 4 other IPs or domains 49->102 66 conhost.exe 52->66         started        68 conhost.exe 54->68         started        70 conhost.exe 56->70         started        72 conhost.exe 58->72         started        74 conhost.exe 58->74         started        file14 signatures15 process16 dnsIp17 134 www.google.com 60->134 198 Hides threads from debuggers 63->198 200 Tries to detect sandboxes / dynamic malware analysis system (registry check) 63->200 202 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 63->202 signatures18
Threat name:
Win32.Ransomware.StealC
Status:
Malicious
First seen:
2024-12-05 12:28:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:cryptbot family:gcleaner family:lumma family:stealc botnet:9c9aa5 botnet:drum credential_access discovery evasion loader persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
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
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
CryptBot
Cryptbot 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
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
92.63.197.221
45.91.200.135
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fbd78ed6a856f65d8112e5bba465e55292e9b4947247b407662f740f7e42831c
MD5 hash:
fa7c55f0bc3b8f056b9a58faf87f3f56
SHA1 hash:
fbdf247dab70d7c2e285649997b52cf57b63052d
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
50e4484fb6ee4b27ba6e22b5d65e5da71a5699e92999cc0ea450d5c90f3b5361
MD5 hash:
941507da4995f8296b61a3a35d8b406d
SHA1 hash:
a90f5209ca0d56938957ed8f5122de984e6ebbe4
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Stealc

Executable exe 50e4484fb6ee4b27ba6e22b5d65e5da71a5699e92999cc0ea450d5c90f3b5361

(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