MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a55faec755f08d982ab8602bf4a6d22f78603658bd93904bfce769ddb9bf5c7. 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 2 File information Comments

SHA256 hash: 9a55faec755f08d982ab8602bf4a6d22f78603658bd93904bfce769ddb9bf5c7
SHA3-384 hash: 7a0c81fb0504438676ab68acaac55c0a1b05158b36b012cb90ea100bd1e444d493bd4fcbf588a27a8bab881f4c5720b5
SHA1 hash: 335a17664b77c110da2d5ff2edebb557b1fc2032
MD5 hash: ae721f6a78bdd19999a514e3f1ba8053
humanhash: carpet-blossom-leopard-uranus
File name:ae721f6a78bdd19999a514e3f1ba8053.exe
Download: download sample
Signature Stealc
File size:720'896 bytes
First seen:2024-10-28 21:00:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5fd49ca5d77790b79623d48a6ad5d073 (1 x Stealc)
ssdeep 12288:jEHZv+b5FE1wJRh8K85GzKbppzBfgPqGFJeIN7EW3p6NtxXXXGNXZ6:jWZm9+c380zERWJeFWZ6PhX2/6
Threatray 16 similar samples on MalwareBazaar
TLSH T148E41216F596D470C9A28AB89835C2F82ABFBC72C511459B37583FAF3C707C26A13359
TrID 38.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
29.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 0c19123860808000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://77.83.175.105/18a9a962225b1ffb.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://77.83.175.105/18a9a962225b1ffb.php https://threatfox.abuse.ch/ioc/1339811/

Intelligence


File Origin
# of uploads :
1
# of downloads :
3'545
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ae721f6a78bdd19999a514e3f1ba8053.exe
Verdict:
Malicious activity
Analysis date:
2024-10-28 21:02:33 UTC
Tags:
stealer stealc loader rust

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Powershell Azorult Lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
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:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
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 dnsIp2 2 Behavior Graph ID: 1544133 Sample: hwWxZRwpeL.exe Startdate: 28/10/2024 Architecture: WINDOWS Score: 100 51 campuspersever.es 2->51 77 Suricata IDS alerts for network traffic 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 8 other signatures 2->83 8 hwWxZRwpeL.exe 37 2->8         started        13 msedge.exe 631 2->13         started        signatures3 process4 dnsIp5 59 campuspersever.es 87.106.236.48, 443, 49938 ONEANDONE-ASBrauerstrasse48DE Germany 8->59 61 77.83.175.105, 49706, 49733, 49796 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 8->61 63 127.0.0.1 unknown unknown 8->63 43 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 8->43 dropped 45 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 8->47 dropped 49 10 other files (none is malicious) 8->49 dropped 85 Detected unpacking (changes PE section rights) 8->85 87 Detected unpacking (overwrites its own PE header) 8->87 89 Creates HTML files with .exe extension (expired dropper behavior) 8->89 91 8 other signatures 8->91 15 chrome.exe 8 8->15         started        18 msedge.exe 2 10 8->18         started        21 WerFault.exe 8->21         started        24 cmd.exe 8->24         started        26 msedge.exe 13->26         started        28 msedge.exe 13->28         started        30 msedge.exe 13->30         started        32 msedge.exe 13->32         started        file6 signatures7 process8 dnsIp9 65 192.168.2.5, 443, 49705, 49706 unknown unknown 15->65 67 239.255.255.250 unknown Reserved 15->67 34 chrome.exe 15->34         started        75 Monitors registry run keys for changes 18->75 37 msedge.exe 18->37         started        41 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->41 dropped 39 conhost.exe 24->39         started        69 ntp.msn.com 26->69 71 clients2.googleusercontent.com 26->71 73 21 other IPs or domains 26->73 file10 signatures11 process12 dnsIp13 53 apis.google.com 34->53 55 www.google.com 142.250.186.100, 443, 49710, 49713 GOOGLEUS United States 34->55 57 2 other IPs or domains 34->57
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:logsdiller discovery stealer
Behaviour
Program crash
System Location Discovery: System Language Discovery
Stealc
Stealc family
Malware Config
C2 Extraction:
http://77.83.175.105
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
SH256 hash:
9a55faec755f08d982ab8602bf4a6d22f78603658bd93904bfce769ddb9bf5c7
MD5 hash:
ae721f6a78bdd19999a514e3f1ba8053
SHA1 hash:
335a17664b77c110da2d5ff2edebb557b1fc2032
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 9a55faec755f08d982ab8602bf4a6d22f78603658bd93904bfce769ddb9bf5c7

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

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