MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4db680528104c9edafe50c7da30e3e033ca0e36c3668ebf591863a9030f5aa01. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: 4db680528104c9edafe50c7da30e3e033ca0e36c3668ebf591863a9030f5aa01
SHA3-384 hash: 221023b8d53d83baa451defca1a1effc8c133500240c1b28009cea7eb2ce49fc298b864f6d3ad67c9a2380fb36383e06
SHA1 hash: 19bca3cd2457fbbc77ca77122daec931416fb04e
MD5 hash: 0be478f5c91d051b07f2dd07bd326add
humanhash: mexico-papa-georgia-stairway
File name:file
Download: download sample
Signature Stealc
File size:2'419'200 bytes
First seen:2024-07-07 02:07:16 UTC
Last seen:2024-07-07 05:57:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:/dHUqCePCKxdDjOJD//z8RY1SjpOEPWZlb/QUoxtXHjyFC:/d0YCKxd/Y//CYIQCGbYrx5GF
Threatray 88 similar samples on MalwareBazaar
TLSH T1FBB53347AAD414A1EAB40DF4B000EFD210EC1F2D6D567D48AE4705FCF1AA81D7CAE9DA
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)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://77.91.77.81/stealc/random.exe

Intelligence


File Origin
# of uploads :
7
# of downloads :
525
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4db680528104c9edafe50c7da30e3e033ca0e36c3668ebf591863a9030f5aa01.exe
Verdict:
Malicious activity
Analysis date:
2024-07-07 02:09:37 UTC
Tags:
stealer stealc loader antivm amadey botnet themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Execution Generic Infostealer Network Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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:
enigma lolbin microsoft_visual_cc packed packed shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Amadey, Mars Stealer, 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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
Snort IDS alert 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 Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1468622 Sample: file.exe Startdate: 07/07/2024 Architecture: WINDOWS Score: 100 101 youtube-ui.l.google.com 2->101 103 www.youtube.com 2->103 105 26 other IPs or domains 2->105 135 Snort IDS alert for network traffic 2->135 137 Multi AV Scanner detection for domain / URL 2->137 139 Found malware configuration 2->139 141 13 other signatures 2->141 12 file.exe 36 2->12         started        17 explorti.exe 2->17         started        19 explorti.exe 2->19         started        21 7 other processes 2->21 signatures3 process4 dnsIp5 127 85.28.47.30, 49730, 49745, 80 GES-ASRU Russian Federation 12->127 129 77.91.77.81, 49731, 49744, 49747 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 12->129 89 C:\Users\user\AppData\...\KEBKJDBAAK.exe, PE32 12->89 dropped 91 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->91 dropped 93 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->93 dropped 99 11 other files (none is malicious) 12->99 dropped 163 Detected unpacking (changes PE section rights) 12->163 165 Tries to steal Mail credentials (via file / registry access) 12->165 167 Found many strings related to Crypto-Wallets (likely being stolen) 12->167 177 4 other signatures 12->177 23 cmd.exe 1 12->23         started        25 cmd.exe 2 12->25         started        169 Hides threads from debuggers 17->169 171 Tries to detect sandboxes / dynamic malware analysis system (registry check) 17->171 173 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 17->173 95 topTraffic_1705401...0506234197983529371, data 21->95 dropped 97 C:\Users\user\AppData\Local\...\topTraffic, ASCII 21->97 dropped 175 Maps a DLL or memory area into another process 21->175 27 firefox.exe 21->27         started        31 msedge.exe 21->31         started        33 msedge.exe 21->33         started        35 7 other processes 21->35 file6 signatures7 process8 dnsIp9 37 KEBKJDBAAK.exe 4 23->37         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        115 216.58.212.142 GOOGLEUS United States 27->115 117 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49784, 62257, 62337 GOOGLEUS United States 27->117 123 8 other IPs or domains 27->123 85 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 27->85 dropped 87 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 27->87 dropped 45 firefox.exe 27->45         started        47 firefox.exe 27->47         started        49 firefox.exe 27->49         started        119 13.107.21.200 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->119 121 13.107.246.40, 443, 62262, 62263 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->121 125 19 other IPs or domains 31->125 file10 process11 file12 83 C:\Users\user\AppData\Local\...\explorti.exe, PE32 37->83 dropped 151 Detected unpacking (changes PE section rights) 37->151 153 Tries to evade debugger and weak emulator (self modifying code) 37->153 155 Tries to detect virtualization through RDTSC time measurements 37->155 157 3 other signatures 37->157 51 explorti.exe 19 37->51         started        signatures13 process14 dnsIp15 107 77.91.77.82, 49743, 49746, 49748 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 51->107 79 C:\Users\user\AppData\...\8d80bf8e8c.exe, PE32 51->79 dropped 81 C:\Users\user\AppData\Local\...\random[1].exe, PE32 51->81 dropped 143 Detected unpacking (changes PE section rights) 51->143 145 Tries to detect sandboxes and other dynamic analysis tools (window names) 51->145 147 Tries to evade debugger and weak emulator (self modifying code) 51->147 149 3 other signatures 51->149 56 8d80bf8e8c.exe 12 51->56         started        59 cmd.exe 1 51->59         started        file16 signatures17 process18 signatures19 159 Detected unpacking (changes PE section rights) 56->159 161 Hides threads from debuggers 56->161 61 chrome.exe 59->61         started        64 msedge.exe 59->64         started        66 conhost.exe 59->66         started        68 firefox.exe 59->68         started        process20 dnsIp21 131 192.168.2.4, 443, 49672, 49723 unknown unknown 61->131 133 239.255.255.250 unknown Reserved 61->133 70 chrome.exe 61->70         started        73 chrome.exe 61->73         started        75 chrome.exe 61->75         started        77 msedge.exe 64->77         started        process22 dnsIp23 109 youtube-ui.l.google.com 142.250.181.238, 443, 49750 GOOGLEUS United States 70->109 111 www.google.com 142.250.186.132, 443, 62299 GOOGLEUS United States 70->111 113 4 other IPs or domains 70->113
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-07-07 03:01:14 UTC
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:stealc botnet:4dd39d botnet:nice discovery evasion spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
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
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
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
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Stealc
Malware Config
C2 Extraction:
http://85.28.47.30
http://77.91.77.82
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4db680528104c9edafe50c7da30e3e033ca0e36c3668ebf591863a9030f5aa01
MD5 hash:
0be478f5c91d051b07f2dd07bd326add
SHA1 hash:
19bca3cd2457fbbc77ca77122daec931416fb04e
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe 4db680528104c9edafe50c7da30e3e033ca0e36c3668ebf591863a9030f5aa01

(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
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

Comments