MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc
SHA3-384 hash: dcf547c958500f50857a403b3555ba1fbe03ae9d52c5a5d4d8acd784d110f0da324e22aa11ac934cddcf3829b4b0d6e6
SHA1 hash: 640b6893c54e80740fa1edb58125928c71974316
MD5 hash: 8fc822745674c961b9dcc1fc91f678ec
humanhash: white-sweet-mockingbird-william
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'797'120 bytes
First seen:2024-09-09 02:42:53 UTC
Last seen:2024-09-09 03:22:40 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 24576:fFIAufW1+TICERIYxgB976LocpSa3VTAwHtYo5lYsyKEAuVmXOzI6:fi9O1+76Ya3BAatYMZxumezd
TLSH T16785336D1DBAB29CC30A8B70E5D2DB53F3EC85201BD63B641EAF47712CA4915498B8CD
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://31.41.244.11/steam/random.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
415
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-09 02:45:52 UTC
Tags:
stealer stealc loader themida amadey botnet
Link:
https://app.any.run/tasks/f5f13bd0-1837-4104-8037-9cd02fcecd12

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.22855.29630.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66de60b72b43a28a71757cb7
Tags:
Execution Infostealer Network Stealth Trojan
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
Link:
https://www.filescan.io/uploads/66de60b68bdeb2969e1a6b98/reports/cdd2854d-6add-4c14-a181-58df069a98ce/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc
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/0ffb2a90-2f8e-417b-987c-6427148587aa
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1507700
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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 dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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 (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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1507700 Sample: file.exe Startdate: 09/09/2024 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 16 other signatures 2->67 8 file.exe 36 2->8         started        13 svoutse.exe 1 21 2->13         started        15 svoutse.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 55 185.215.113.103, 49730, 49743, 49747 WHOLESALECONNECTIONSNL Portugal 8->55 57 31.41.244.11, 49732, 49740, 49742 AEROEXPRESS-ASRU Russian Federation 8->57 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->41 dropped 49 11 other files (7 malicious) 8->49 dropped 93 Detected unpacking (changes PE section rights) 8->93 95 Tries to steal Mail credentials (via file / registry access) 8->95 97 Found many strings related to Crypto-Wallets (likely being stolen) 8->97 105 6 other signatures 8->105 19 cmd.exe 1 8->19         started        59 31.41.244.10, 49739, 49741, 49744 AEROEXPRESS-ASRU Russian Federation 13->59 43 C:\Users\user\AppData\...\6cb285cc83.exe, PE32 13->43 dropped 45 C:\Users\user\AppData\...\8ea656be38.exe, PE32 13->45 dropped 47 C:\Users\user\AppData\...\aeb8b7a178.exe, PE32 13->47 dropped 51 2 other malicious files 13->51 dropped 99 Hides threads from debuggers 13->99 101 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->101 103 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->103 21 aeb8b7a178.exe 13 13->21         started        24 6cb285cc83.exe 13 13->24         started        26 8ea656be38.exe 13->26         started        file5 signatures6 process7 signatures8 28 JKEBFBFIEH.exe 4 19->28         started        32 conhost.exe 19->32         started        77 Antivirus detection for dropped file 21->77 79 Multi AV Scanner detection for dropped file 21->79 81 Detected unpacking (changes PE section rights) 21->81 91 3 other signatures 21->91 83 Machine Learning detection for dropped file 24->83 85 Tries to evade debugger and weak emulator (self modifying code) 24->85 87 Hides threads from debuggers 24->87 89 Binary is likely a compiled AutoIt script file 26->89 process9 file10 53 C:\Users\user\AppData\Local\...\svoutse.exe, PE32 28->53 dropped 107 Antivirus detection for dropped file 28->107 109 Detected unpacking (changes PE section rights) 28->109 111 Machine Learning detection for dropped file 28->111 113 5 other signatures 28->113 34 svoutse.exe 28->34         started        signatures11 process12 signatures13 69 Antivirus detection for dropped file 34->69 71 Detected unpacking (changes PE section rights) 34->71 73 Machine Learning detection for dropped file 34->73 75 4 other signatures 34->75
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-09-09 02:43:05 UTC
File Type:
PE (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m27zaz4c2vw6bqjx2pmyrd2omjy4nv26n4sfhnsyphstedg2bhoa._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:stealc botnet:c7817d botnet:rave credential_access discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/240909-c7ktdsxfnq/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
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
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://185.215.113.103
http://31.41.244.10
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/feb5499d-4e9f-4dd9-b3f5-a629952118af
Unpacked files
SH256 hash:
f3ca2b00ce8ab535aed3346b874020f7d596e87771d89b41b44cdb43d1b3c045
MD5 hash:
5f969bda25addb46d2f076974a3e67ca
SHA1 hash:
ae110bf4f0ce8acac12525735e0171cc1af81004
Link:
https://www.unpac.me/results/ef642dd2-1774-48a1-b97d-401fa4f39b7a/
SH256 hash:
66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc
MD5 hash:
8fc822745674c961b9dcc1fc91f678ec
SHA1 hash:
640b6893c54e80740fa1edb58125928c71974316
Link:
https://www.unpac.me/results/ef642dd2-1774-48a1-b97d-401fa4f39b7a/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66bf906782d5/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/66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc

File information

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

Web download

Stealc

Executable exe 66bf906782d56de0c137d3d9888f4e6271c6d75e6f2453b65879e5320cda09dc

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3120900/
  
URLhaus
https://urlhaus.abuse.ch/url/3163564/
  
URLhaus
https://urlhaus.abuse.ch/url/3120904/
  
URLhaus
https://urlhaus.abuse.ch/url/3120910/
  
URLhaus
https://urlhaus.abuse.ch/url/3114824/

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