MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4079f7d32ec84c49c50da91ca7da31556ae50f8fcc96c1df4bb4625f5497aaf. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: f4079f7d32ec84c49c50da91ca7da31556ae50f8fcc96c1df4bb4625f5497aaf
SHA3-384 hash: affae3f23c0e1fd1e401ef0aa747601eae3fb5aaf39d38d24c3f3f8bb439592feb067f93d815a1eba18ba48afcf59037
SHA1 hash: f6121854ec49fb7a1b1e53077f59e7215c9cae2d
MD5 hash: 5e98730ed584c9ab8abe162b128a1262
humanhash: mobile-massachusetts-berlin-finch
File name:file
Download: download sample
Signature Stealc
File size:1'787'392 bytes
First seen:2024-12-03 06:11:30 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:iS8AASycIS8i592SA8D7kl9BRA9qHR81ljiMpQkOCzPT817XkMhlyPiY:iS8pbcI+/2sD4VRAcx+jpffPY7jyqY
TLSH T1398533E2C3CD5AF3D18BDE709419D0AAADBBC885169EDC2E1E79655C0D0360878F192F
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 :
427
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-03 06:12:37 UTC
Tags:
lumma stealer loader themida stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun autoit spam
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
Gathering data
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 (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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1567135 Sample: file.exe Startdate: 03/12/2024 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 12 other signatures 2->77 8 file.exe 36 2->8         started        13 skotes.exe 16 2->13         started        15 msedge.exe 9 2->15         started        process3 dnsIp4 61 185.215.113.206, 49722, 49775, 49811 WHOLESALECONNECTIONSNL Portugal 8->61 63 185.215.113.16, 49839, 80 WHOLESALECONNECTIONSNL Portugal 8->63 65 127.0.0.1 unknown unknown 8->65 43 C:\Users\user\Documents\CBFIIEHJDB.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 51 11 other files (7 malicious) 8->51 dropped 97 Detected unpacking (changes PE section rights) 8->97 99 Attempt to bypass Chrome Application-Bound Encryption 8->99 101 Drops PE files to the document folder of the user 8->101 109 8 other signatures 8->109 17 cmd.exe 1 8->17         started        19 msedge.exe 2 10 8->19         started        22 chrome.exe 8->22         started        67 185.215.113.43, 49846, 49847, 80 WHOLESALECONNECTIONSNL Portugal 13->67 69 31.41.244.11, 49848, 80 AEROEXPRESS-ASRU Russian Federation 13->69 49 C:\Users\user\AppData\...\4d21288061.exe, PE32 13->49 dropped 103 Hides threads from debuggers 13->103 105 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->105 107 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->107 25 4d21288061.exe 13->25         started        27 msedge.exe 15->27         started        file5 signatures6 process7 dnsIp8 29 CBFIIEHJDB.exe 4 17->29         started        33 conhost.exe 17->33         started        79 Monitors registry run keys for changes 19->79 35 msedge.exe 19->35         started        57 192.168.2.6, 443, 49706, 49707 unknown unknown 22->57 59 239.255.255.250 unknown Reserved 22->59 37 chrome.exe 22->37         started        81 Antivirus detection for dropped file 25->81 83 Tries to detect sandboxes and other dynamic analysis tools (window names) 25->83 85 Machine Learning detection for dropped file 25->85 87 5 other signatures 25->87 signatures9 process10 dnsIp11 53 C:\Users\user\AppData\Local\...\skotes.exe, PE32 29->53 dropped 111 Antivirus detection for dropped file 29->111 113 Detected unpacking (changes PE section rights) 29->113 115 Machine Learning detection for dropped file 29->115 117 6 other signatures 29->117 40 skotes.exe 29->40         started        55 www.google.com 142.250.181.100, 443, 49747, 49748 GOOGLEUS United States 37->55 file12 signatures13 process14 signatures15 89 Antivirus detection for dropped file 40->89 91 Detected unpacking (changes PE section rights) 40->91 93 Machine Learning detection for dropped file 40->93 95 4 other signatures 40->95
Threat name:
Win32.Trojan.Symmi
Status:
Malicious
First seen:
2024-12-03 06:12:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:drum botnet:fed3aa credential_access discovery evasion persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
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
Browser Information Discovery
Enumerates physical storage devices
Program crash
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
Checks computer location settings
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
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
http://185.215.113.16
Verdict:
Suspicious
Tags:
Stealer Stealc
YARA:
n/a
Unpacked files
SH256 hash:
93790f2c1866bf55a086fb288def8ba9c1c134aaf92936ab33d4fe74e2f21fc7
MD5 hash:
ee43d405e59b7132f197521d88d3fc1a
SHA1 hash:
491ee5636845c6f804f67b832579f7fbae4f6eba
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
f4079f7d32ec84c49c50da91ca7da31556ae50f8fcc96c1df4bb4625f5497aaf
MD5 hash:
5e98730ed584c9ab8abe162b128a1262
SHA1 hash:
f6121854ec49fb7a1b1e53077f59e7215c9cae2d
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 f4079f7d32ec84c49c50da91ca7da31556ae50f8fcc96c1df4bb4625f5497aaf

(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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