MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92281aaffbb198760aacd304df932fd58ba230d0927839d85db71dc7ae6f7d71. 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 1 YARA 2 File information Comments

SHA256 hash: 92281aaffbb198760aacd304df932fd58ba230d0927839d85db71dc7ae6f7d71
SHA3-384 hash: 35c73b4486abee63b7db5213207809251b4937e4a4200e307ef7cb2247ecc59cb1b4b01a716d7605bd66c2b7a336a7eb
SHA1 hash: bf17ad961951698789fa867d2e07099df34cdc7d
MD5 hash: b38d20c6267b77ca35a55e11fb4124b7
humanhash: papa-sink-seven-yellow
File name:b38d20c6267b77ca35a55e11fb4124b7.exe
Download: download sample
Signature Stealc
File size:392'704 bytes
First seen:2024-11-10 14:10:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9a11732a2e741d4d1a9f61b29552bab4 (3 x Stealc, 1 x Vidar)
ssdeep 3072:oG1Shl+RNkGtGdiadPMM/cn77tPOdhE59UTx7F5pTfcOOL7iF5GJpaPDrKoW58OW:UwXtGdiaeMknYI9i7F5pAN9aPdW5fW
TLSH T1E8847D3296F12852F6BFCA3D4E3F92D86A2FF5629D28B29D11141E1F09311E1D66270F
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10522/11/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 12716c4cf4c4d4c4 (6 x Stealc, 3 x Socks5Systemz, 1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.88.76.207/b38a59c5b911e689.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://45.88.76.207/b38a59c5b911e689.php https://threatfox.abuse.ch/ioc/1343998/

Intelligence


File Origin
# of uploads :
1
# of downloads :
384
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b38d20c6267b77ca35a55e11fb4124b7.exe
Verdict:
Malicious activity
Analysis date:
2024-11-10 14:47:02 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
bitcoin virus lien sage
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Attempt to bypass Chrome Application-Bound Encryption
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
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 Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1553204 Sample: DihoyYp8ie.exe Startdate: 10/11/2024 Architecture: WINDOWS Score: 100 45 Suricata IDS alerts for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 7 DihoyYp8ie.exe 33 2->7         started        process3 dnsIp4 37 45.88.76.207, 49730, 49753, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 7->37 39 127.0.0.1 unknown unknown 7->39 21 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->21 dropped 23 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 7->25 dropped 27 9 other files (none is malicious) 7->27 dropped 53 Detected unpacking (changes PE section rights) 7->53 55 Detected unpacking (overwrites its own PE header) 7->55 57 Attempt to bypass Chrome Application-Bound Encryption 7->57 59 7 other signatures 7->59 12 chrome.exe 7->12         started        15 WerFault.exe 21 16 7->15         started        file5 signatures6 process7 dnsIp8 41 192.168.2.4, 138, 443, 49723 unknown unknown 12->41 43 239.255.255.250 unknown Reserved 12->43 18 chrome.exe 12->18         started        29 C:\ProgramData\Microsoft\...\Report.wer, Unicode 15->29 dropped file9 process10 dnsIp11 31 www.google.com 142.250.185.100, 443, 49736, 49737 GOOGLEUS United States 18->31 33 plus.l.google.com 142.250.186.110, 443, 49745 GOOGLEUS United States 18->33 35 2 other IPs or domains 18->35
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-11-10 13:45:28 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
shellcode_loader_002
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
eb27982cc433983b76b0a24b1d4db3066ff1ef5a3065a81672e938f9408096fe
MD5 hash:
8c2c6140fcf03c5a6e54f25ee763d30e
SHA1 hash:
e495349d0885fbb60b5252026cae5f3d3558495b
Detections:
VidarStealer
SH256 hash:
92281aaffbb198760aacd304df932fd58ba230d0927839d85db71dc7ae6f7d71
MD5 hash:
b38d20c6267b77ca35a55e11fb4124b7
SHA1 hash:
bf17ad961951698789fa867d2e07099df34cdc7d
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stealc

Executable exe 92281aaffbb198760aacd304df932fd58ba230d0927839d85db71dc7ae6f7d71

(this sample)

  
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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleOutputCharacterW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA

Comments