MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4
SHA3-384 hash: 35b85ec78ea47020eacb028cc3d93192c1f300ed94f3fccbd85c282fac676485c7b71cd5f4d12debf4e381372001f6b5
SHA1 hash: 082b45149478beae0c144b490e359255633b4485
MD5 hash: c6e0ec39ca331a54c2870ab777d3b70c
humanhash: delta-alabama-utah-venus
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'809'408 bytes
First seen:2024-12-02 19:10:01 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:vQIfitwIirA3tBZz0QD0HowyuSfFgdTXIDQ/Bv:YMitwIi03rZz8Eu62tID8B
TLSH T1E98533489DB0ACBFD90C89F084C7AEE94E7B32E79C8194A4935065BCD52E6CB3C17D85
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 :
430
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-02 19:22:57 UTC
Tags:
lumma themida loader stealer stealc amadey botnet
Link:
https://app.any.run/tasks/9e451f28-1a5e-4425-a0b1-65dc7cd61751

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.5043.24391.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674e07b404c232bff3b619d5
Tags:
vmdetect autorun autoit lien
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
Link:
https://www.filescan.io/uploads/674e0613b51bd641d80759a4/reports/176fbce6-7c87-4ceb-a75d-412451c79c47/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/14862ec3-ea07-4227-a9c0-e5031ec209e2
Result
Threat name:
Amadey, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1566915
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1566915 Sample: file.exe Startdate: 02/12/2024 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 15 2->13         started        15 msedge.exe 9 2->15         started        process3 dnsIp4 61 185.215.113.206, 49721, 49766, 49809 WHOLESALECONNECTIONSNL Portugal 8->61 63 185.215.113.16, 49843, 80 WHOLESALECONNECTIONSNL Portugal 8->63 65 127.0.0.1 unknown unknown 8->65 41 C:\Users\user\DocumentsbehaviorgraphDBFHDHJKK.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 51 11 other files (7 malicious) 8->51 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 8->22         started        67 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->67 69 31.214.157.124 RACKPLACEDE Germany 13->69 47 C:\Users\user\AppData\Local\...\stories.exe, PE32 13->47 dropped 49 C:\Users\user\AppData\...\stories[1].exe, PE32 13->49 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 GDBFHDHJKK.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        57 192.168.2.5, 443, 49708, 49710 unknown unknown 22->57 59 239.255.255.250 unknown Reserved 22->59 35 chrome.exe 22->35         started        signatures9 process10 dnsIp11 53 C:\Users\user\AppData\Local\...\skotes.exe, PE32 27->53 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        55 www.google.com 142.250.181.100, 443, 49748, 49757 GOOGLEUS United States 35->55 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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4/
Threat name:
Win32.Trojan.CryptBot
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 19:11:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ut5iskqyfkowafdyrs7ad2rhspmpajej32utekkboyrqfjjlu7ka._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:lumma family:stealc family:xmrig botnet:9c9aa5 botnet:drum credential_access discovery evasion miner persistence spyware stealer trojan
Link:
https://tria.ge/reports/241202-xvcmgatnbj/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies registry class
Modifies system certificate store
Runs net.exe
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)
XMRig Miner payload
Amadey
Amadey family
Lumma Stealer, LummaC
Lumma family
Modifies Windows Defender Real-time Protection settings
Stealc
Stealc family
Xmrig family
xmrig
Malware Config
C2 Extraction:
http://185.215.113.206
http://185.215.113.43
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/48c3902e-9443-4b63-825c-0e8fead93c8d
Unpacked files
SH256 hash:
17861a1be8bb1bb1c32644aadc7bf9a20c722608d8f9d15f35eafc774a87d853
MD5 hash:
177f912211c3d9459f70a3b293bd628b
SHA1 hash:
6348b7fa9275e92077eb350701465acf9fd5a17a
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/3dc07d49-f9aa-4d03-bcba-45dd456f45b8/
SH256 hash:
a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4
MD5 hash:
c6e0ec39ca331a54c2870ab777d3b70c
SHA1 hash:
082b45149478beae0c144b490e359255633b4485
Link:
https://www.unpac.me/results/3dc07d49-f9aa-4d03-bcba-45dd456f45b8/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4fa892a182a/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/a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4

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
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
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 a4fa892a182a9d6014788cbe01ea2793d8f02489dea9322941762302a52ba7d4

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3284801/

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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