MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8. 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: f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8
SHA3-384 hash: 72cae9e8b4ab7525074fcd11b45b4d8111bbdd5f0bec4f0ea20ff8d8fa73c549a51a543262c6a7528398c38447e798bd
SHA1 hash: fa3222ecc5bc0e59f5bcd16562bdc0cb9be9f1ee
MD5 hash: 9f1e2f4308ddb08ce70a669d67a97763
humanhash: mirror-uranus-blue-london
File name:file
Download: download sample
Signature Stealc
File size:1'832'960 bytes
First seen:2024-11-23 06:07:41 UTC
Last seen:2024-11-23 06:08:07 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:ItKn/l1KCGkWy8u4Xju2cyzw3ldmguquIYJScPLK/VoF1mVLd7q:IOtR9qX9zwSqMPjYZ
TLSH T1E7853323F9120C2ED50F49328B769B5ABA3D8539768A02D2EC8084FD66F1B15F48FD75
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 :
2
# of downloads :
412
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-23 06:08:11 UTC
Tags:
stealer stealc loader themida amadey botnet cryptbot

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
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:
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 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
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: 1561352 Sample: file.exe Startdate: 23/11/2024 Architecture: WINDOWS Score: 100 85 Suricata IDS alerts for network traffic 2->85 87 Found malware configuration 2->87 89 Antivirus detection for URL or domain 2->89 91 10 other signatures 2->91 8 file.exe 37 2->8         started        13 skotes.exe 2->13         started        15 msedge.exe 67 629 2->15         started        process3 dnsIp4 69 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 8->69 71 185.215.113.206, 49717, 49778, 49817 WHOLESALECONNECTIONSNL Portugal 8->71 73 127.0.0.1 unknown unknown 8->73 49 C:\Users\user\DocumentsJDAFHCGIJE.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 8->51 dropped 53 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->53 dropped 57 11 other files (none is malicious) 8->57 dropped 103 Detected unpacking (changes PE section rights) 8->103 105 Attempt to bypass Chrome Application-Bound Encryption 8->105 107 Drops PE files to the document folder of the user 8->107 117 9 other signatures 8->117 17 cmd.exe 8->17         started        19 msedge.exe 2 10 8->19         started        22 chrome.exe 8->22         started        75 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 13->75 77 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 13->77 55 C:\Users\user\AppData\...\bca166439f.exe, PE32 13->55 dropped 109 Hides threads from debuggers 13->109 111 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->111 113 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->113 115 Maps a DLL or memory area into another process 15->115 25 msedge.exe 15->25         started        27 identity_helper.exe 15->27         started        29 identity_helper.exe 15->29         started        31 3 other processes 15->31 file5 signatures6 process7 dnsIp8 33 DocumentsJDAFHCGIJE.exe 17->33         started        37 conhost.exe 17->37         started        101 Monitors registry run keys for changes 19->101 39 msedge.exe 19->39         started        59 192.168.2.6, 443, 49704, 49706 unknown unknown 22->59 61 239.255.255.250 unknown Reserved 22->61 41 chrome.exe 22->41         started        63 13.107.246.40, 443, 49888, 49889 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->63 65 s-part-0035.t-0009.t-msedge.net 13.107.246.63, 443, 49721, 49722 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->65 67 27 other IPs or domains 25->67 signatures9 process10 dnsIp11 47 C:\Users\user\AppData\Local\...\skotes.exe, PE32 33->47 dropped 93 Detected unpacking (changes PE section rights) 33->93 95 Tries to evade debugger and weak emulator (self modifying code) 33->95 97 Tries to detect virtualization through RDTSC time measurements 33->97 99 3 other signatures 33->99 44 skotes.exe 33->44         started        79 www.google.com 142.250.181.100, 443, 49743, 49744 GOOGLEUS United States 41->79 81 plus.l.google.com 172.217.17.78, 443, 49789 GOOGLEUS United States 41->81 83 apis.google.com 41->83 file12 signatures13 process14 signatures15 119 Detected unpacking (changes PE section rights) 44->119 121 Tries to detect sandboxes and other dynamic analysis tools (window names) 44->121 123 Tries to evade debugger and weak emulator (self modifying code) 44->123 125 3 other signatures 44->125
Threat name:
Win32.Spyware.Stealc
Status:
Suspicious
First seen:
2024-11-23 06:08:06 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:cryptbot family:stealc botnet:9c9aa5 botnet:mars 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
Scheduled Task/Job: Scheduled Task
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
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
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
CryptBot
Cryptbot family
Detects CryptBot payload
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:
dab4a70aa18b033d899b6b7c412792ce88cc3f198abe6e5c8e47c2b928dbb924
MD5 hash:
2299e51ce5d50a7a2eb3f603131eb81a
SHA1 hash:
9d996257de1811164ccfecdfb78316061eedbd6c
Detections:
win_stealc_w0 win_stealc_a0
SH256 hash:
f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8
MD5 hash:
9f1e2f4308ddb08ce70a669d67a97763
SHA1 hash:
fa3222ecc5bc0e59f5bcd16562bdc0cb9be9f1ee
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 f4a38bfe6d64ae092c608adf24f3b294710aacc510f628c4e19e1a1800fb42b8

(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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