MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e7963520355e4078e56aa0cbb4b38d6ca934a05ae11005a396ff917991116ff. 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 1 YARA 1 File information Comments

SHA256 hash: 8e7963520355e4078e56aa0cbb4b38d6ca934a05ae11005a396ff917991116ff
SHA3-384 hash: b3fc4f5ad56b32ba5ee448e58a5c67002420498d9baa856c38989a74491c52bba5ac0231aae09e3479a00148d790cd94
SHA1 hash: 47ffc06503d9e4762170835c8e26a06dac904536
MD5 hash: f1a2b148ad9d615395cb7190183e1846
humanhash: kitten-hydrogen-whiskey-tango
File name:f1a2b148ad9d615395cb7190183e1846.exe
Download: download sample
Signature Stealc
File size:2'535'424 bytes
First seen:2024-07-05 13:30:44 UTC
Last seen:2024-07-05 15:06:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 001806c33a6e9fe5fbff34bdbd79b591 (112 x Stealc, 9 x MarsStealer, 1 x Amadey)
ssdeep 49152:K/1un1KSBYUh4VvpzZbM7YyTQZW4DVY2FPQ9ZPEdo+YjDeVPYaj2fWajOdD8Aj/6:K/Qn1Ka4VpzZo8/g4DMn+o+YjDvjOC6S
TLSH T157C53381C5B3B754E92EB5F48C484D0E65F3B0AC4699CEFE92795018BE8368E69037C7
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 abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://85.28.47.30/920475a59bac849d.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://85.28.47.30/920475a59bac849d.php https://threatfox.abuse.ch/ioc/1294769/

Intelligence


File Origin
# of uploads :
5
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
8e7963520355e4078e56aa0cbb4b38d6ca934a05ae11005a396ff917991116ff.exe
Verdict:
Malicious activity
Analysis date:
2024-07-05 13:32:21 UTC
Tags:
stealer stealc loader antivm amadey botnet

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 Zpack
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 dropped file
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 dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Potentially malicious time measurement code found
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 signatures2 2 Behavior Graph ID: 1468225 Sample: 1i4uV9uvEM.exe Startdate: 05/07/2024 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Found malware configuration 2->65 67 Antivirus detection for URL or domain 2->67 69 15 other signatures 2->69 8 1i4uV9uvEM.exe 37 2->8         started        13 explorti.exe 16 2->13         started        15 explorti.exe 2->15         started        process3 dnsIp4 49 85.28.47.30, 49702, 49718, 80 GES-ASRU Russian Federation 8->49 51 77.91.77.81, 49703, 49717, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 8->51 37 C:\Users\user\AppData\...\CFBAKKJDBK.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->41 dropped 47 11 other files (7 malicious) 8->47 dropped 87 Detected unpacking (changes PE section rights) 8->87 89 Tries to steal Mail credentials (via file / registry access) 8->89 91 Found many strings related to Crypto-Wallets (likely being stolen) 8->91 99 4 other signatures 8->99 17 cmd.exe 1 8->17         started        19 cmd.exe 2 8->19         started        53 77.91.77.82, 49716, 49719, 49720 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 13->53 43 C:\Users\user\AppData\...\7c9ff0037c.exe, PE32 13->43 dropped 45 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->45 dropped 93 Hides threads from debuggers 13->93 95 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->95 97 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->97 21 7c9ff0037c.exe 12 13->21         started        file5 signatures6 process7 signatures8 24 CFBAKKJDBK.exe 4 17->24         started        28 conhost.exe 17->28         started        30 conhost.exe 19->30         started        71 Antivirus detection for dropped file 21->71 73 Multi AV Scanner detection for dropped file 21->73 75 Detected unpacking (changes PE section rights) 21->75 77 2 other signatures 21->77 process9 file10 35 C:\Users\user\AppData\Local\...\explorti.exe, PE32 24->35 dropped 79 Antivirus detection for dropped file 24->79 81 Detected unpacking (changes PE section rights) 24->81 83 Machine Learning detection for dropped file 24->83 85 6 other signatures 24->85 32 explorti.exe 24->32         started        signatures11 process12 signatures13 55 Antivirus detection for dropped file 32->55 57 Detected unpacking (changes PE section rights) 32->57 59 Tries to detect sandboxes and other dynamic analysis tools (window names) 32->59 61 5 other signatures 32->61
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-07-05 13:31:13 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
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
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
8e7963520355e4078e56aa0cbb4b38d6ca934a05ae11005a396ff917991116ff
MD5 hash:
f1a2b148ad9d615395cb7190183e1846
SHA1 hash:
47ffc06503d9e4762170835c8e26a06dac904536
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 8e7963520355e4078e56aa0cbb4b38d6ca934a05ae11005a396ff917991116ff

(this sample)

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

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