MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9f42f3b2bf9665693451da26453f988ab5f0c636929bc5e39203e24e65e9b92. 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: f9f42f3b2bf9665693451da26453f988ab5f0c636929bc5e39203e24e65e9b92
SHA3-384 hash: 2827e7bcb1eb408afda3f1f859fcfbad3f84793b17d97ac30e62472e4d7475f4bcfc6df029b9a5b523079a597dd171bf
SHA1 hash: 955d1394d9074948e6f2a4ba90d316930580d9b9
MD5 hash: 99dbc3dc8a5a570531e619921a3da5a4
humanhash: xray-dakota-echo-potato
File name:file
Download: download sample
Signature Stealc
File size:1'780'224 bytes
First seen:2024-12-02 17:04:48 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:ysR/aPxLFEKpzqkSxuyyT5HVaa58OsVa8tC:ysRHCqBxup58OsVa0C
TLSH T11B8533CB5C0BA690D9DEC8F0A4AF9E6A6811E4842BD830B4BD85C938807D5C7D5DD7EC
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 :
431
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-12-02 17:10:58 UTC
Tags:
themida loader stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
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
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
Potentially malicious time measurement code found
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: 1566819 Sample: file.exe Startdate: 02/12/2024 Architecture: WINDOWS Score: 100 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 Antivirus detection for URL or domain 2->71 73 12 other signatures 2->73 8 file.exe 36 2->8         started        13 skotes.exe 12 2->13         started        15 skotes.exe 2->15         started        17 msedge.exe 9 2->17         started        process3 dnsIp4 55 185.215.113.16, 49821, 80 WHOLESALECONNECTIONSNL Portugal 8->55 57 185.215.113.206, 49707, 49745, 49784 WHOLESALECONNECTIONSNL Portugal 8->57 59 127.0.0.1 unknown unknown 8->59 43 C:\Users\user\Documents\CBKJJJDHDG.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\random[1].exe, PE32 8->47 dropped 49 11 other files (7 malicious) 8->49 dropped 85 Detected unpacking (changes PE section rights) 8->85 87 Attempt to bypass Chrome Application-Bound Encryption 8->87 89 Drops PE files to the document folder of the user 8->89 97 8 other signatures 8->97 19 cmd.exe 1 8->19         started        21 msedge.exe 2 10 8->21         started        24 chrome.exe 8->24         started        61 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->61 91 Hides threads from debuggers 13->91 93 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->93 95 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->95 27 msedge.exe 17->27         started        file5 signatures6 process7 dnsIp8 29 CBKJJJDHDG.exe 4 19->29         started        33 conhost.exe 19->33         started        75 Monitors registry run keys for changes 21->75 35 msedge.exe 21->35         started        63 192.168.2.6, 443, 49702, 49705 unknown unknown 24->63 65 239.255.255.250 unknown Reserved 24->65 37 chrome.exe 24->37         started        signatures9 process10 dnsIp11 51 C:\Users\user\AppData\Local\...\skotes.exe, PE32 29->51 dropped 99 Antivirus detection for dropped file 29->99 101 Detected unpacking (changes PE section rights) 29->101 103 Machine Learning detection for dropped file 29->103 105 6 other signatures 29->105 40 skotes.exe 29->40         started        53 www.google.com 142.250.181.100, 443, 49718, 49719 GOOGLEUS United States 37->53 file12 signatures13 process14 signatures15 77 Antivirus detection for dropped file 40->77 79 Detected unpacking (changes PE section rights) 40->79 81 Tries to detect sandboxes and other dynamic analysis tools (window names) 40->81 83 5 other signatures 40->83
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-12-02 17:05:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
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
Runs ping.exe
Scheduled Task/Job: Scheduled Task
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
Views/modifies file attributes
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
AutoIT Executable
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
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
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:
90539ae2daa56acb7b2ab9f788d40c8c1c087fdae137c28b8b53dc7d46694b07
MD5 hash:
9218cec304904607b966e3b2ba03a46f
SHA1 hash:
e6c63e9580a19bf759907fde1be60ad0d3081eaa
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
f9f42f3b2bf9665693451da26453f988ab5f0c636929bc5e39203e24e65e9b92
MD5 hash:
99dbc3dc8a5a570531e619921a3da5a4
SHA1 hash:
955d1394d9074948e6f2a4ba90d316930580d9b9
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 f9f42f3b2bf9665693451da26453f988ab5f0c636929bc5e39203e24e65e9b92

(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

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