MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b97f1f8b16974928a158a4b22f22d235d02d139ae8c1d85c44749dd90a8f6d5. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: 8b97f1f8b16974928a158a4b22f22d235d02d139ae8c1d85c44749dd90a8f6d5
SHA3-384 hash: 8b02398a177dd491109741ff07cdec7b2ec3b75d273e12e95bc8e171b48678ce02d13746944267e099939cb9aa3e5b26
SHA1 hash: 7856466574d2eabc9d8d023abd25f7e3aa48a8f9
MD5 hash: 238de582700a22bec0837d617d0232cd
humanhash: comet-magnesium-august-aspen
File name:file
Download: download sample
Signature Stealc
File size:1'825'280 bytes
First seen:2024-12-01 03:46:40 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 49152:G4rjwUFI3T+eywILVATg0Qn1N+U6yAbz9tOZIhv:D89+ATVMN0ymBh
TLSH T1C285335CAE710ED7C1F71D3D973F796A9F3D4C4228D606E86A19E90B18BAD87C532014
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 :
424
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-12-01 04:11:25 UTC
Tags:
amadey botnet stealer loader themida antivm stealc cryptbot crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun autoit spam lien
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Result
Threat name:
Amadey, Stealc, Vidar
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
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Drops PE files to the document folder of the user
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
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1566007 Sample: file.exe Startdate: 01/12/2024 Architecture: WINDOWS Score: 100 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Antivirus detection for URL or domain 2->75 77 11 other signatures 2->77 8 file.exe 36 2->8         started        13 skotes.exe 15 2->13         started        15 msedge.exe 9 2->15         started        process3 dnsIp4 63 185.215.113.16, 49846, 80 WHOLESALECONNECTIONSNL Portugal 8->63 65 185.215.113.206, 49713, 49769, 49809 WHOLESALECONNECTIONSNL Portugal 8->65 67 127.0.0.1 unknown unknown 8->67 41 C:\Users\user\Documents\FHCGCAAKJD.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->45 dropped 49 11 other files (7 malicious) 8->49 dropped 89 Detected unpacking (changes PE section rights) 8->89 91 Attempt to bypass Chrome Application-Bound Encryption 8->91 93 Drops PE files to the document folder of the user 8->93 101 8 other signatures 8->101 17 cmd.exe 1 8->17         started        19 msedge.exe 2 10 8->19         started        22 chrome.exe 8->22         started        69 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->69 47 C:\Users\user\AppData\...\3903a3442b.exe, PE32 13->47 dropped 95 Hides threads from debuggers 13->95 97 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->97 99 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->99 25 msedge.exe 15->25         started        file5 signatures6 process7 dnsIp8 27 FHCGCAAKJD.exe 4 17->27         started        31 conhost.exe 17->31         started        79 Monitors registry run keys for changes 19->79 33 msedge.exe 19->33         started        59 192.168.2.6, 443, 49707, 49711 unknown unknown 22->59 61 239.255.255.250 unknown Reserved 22->61 35 chrome.exe 22->35         started        signatures9 process10 dnsIp11 51 C:\Users\user\AppData\Local\...\skotes.exe, PE32 27->51 dropped 103 Antivirus detection for dropped file 27->103 105 Detected unpacking (changes PE section rights) 27->105 107 Machine Learning detection for dropped file 27->107 109 5 other signatures 27->109 38 skotes.exe 27->38         started        53 www.google.com 142.250.181.68, 443, 49734, 49735 GOOGLEUS United States 35->53 55 plus.l.google.com 142.250.181.78, 443, 49773 GOOGLEUS United States 35->55 57 apis.google.com 35->57 file12 signatures13 process14 signatures15 81 Antivirus detection for dropped file 38->81 83 Detected unpacking (changes PE section rights) 38->83 85 Tries to detect sandboxes and other dynamic analysis tools (window names) 38->85 87 5 other signatures 38->87
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-12-01 03:47:12 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:drum credential_access discovery evasion 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
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
41d6d50d69486b2cd488ff491c62885cf77ef324d18f0788fb6d8a77eb702563
MD5 hash:
473ac956ecdcab183437340e8ff013d6
SHA1 hash:
0a1e22505d45e5b259f4ca5c789d1ff4c15851af
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
8b97f1f8b16974928a158a4b22f22d235d02d139ae8c1d85c44749dd90a8f6d5
MD5 hash:
238de582700a22bec0837d617d0232cd
SHA1 hash:
7856466574d2eabc9d8d023abd25f7e3aa48a8f9
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:Sus_Obf_Enc_Spoof_Hide_PE
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 8b97f1f8b16974928a158a4b22f22d235d02d139ae8c1d85c44749dd90a8f6d5

(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