MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c
SHA3-384 hash: a0fddd2f5584d5a034a2ab78d26059c73c3efdd38138e8fc8a86cc54086e2c01d1623750f42c3190ec3cc36d9278b189
SHA1 hash: 54f36efb941322a3ce6aa5079b89b42e29308cad
MD5 hash: 8312651e6bac9b7a04db6df564958251
humanhash: carolina-happy-echo-apart
File name:8312651e6bac9b7a04db6df564958251
Download: download sample
Signature Stealc
Create hunting rule
File size:320'000 bytes
First seen:2024-04-07 21:41:07 UTC
Last seen:2024-04-07 22:33:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 32db0a910f88bc9b49b86745793d5182 (3 x Stealc)
ssdeep 3072:VCpBPXpoH0lWUKbwsXwNnW8aMoe4Mz+ylek4SM4Aip67za2oO:MpBPXpoH04Uyw7NnZoe4MTwPC6
TLSH T123649D11A6A1C823EF661730DD25D2A94A7A7CB15BB4718F36943B2F1AB33E07951333
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 3370ecd2c4f0335a (10 x Stealc, 1 x Stop, 1 x GCleaner)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
2
# of downloads :
375
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c.exe
Verdict:
Malicious activity
Analysis date:
2024-04-07 21:42:11 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/d2f68236-1ae4-4267-aae9-50962ea581d4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
Link:
https://www.filescan.io/uploads/6613132d279698d249ebe010/reports/e7775e31-531a-442b-9f5f-784e86e661c1/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c
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.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8fe4e63f-0466-46fe-98a8-f9eeaca05acd
Result
Threat name:
Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1421803
Signature
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)
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)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert 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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1421803 Sample: fw5DeeIXHG.exe Startdate: 07/04/2024 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 11 other signatures 2->52 9 fw5DeeIXHG.exe 71 2->9         started        process3 dnsIp4 40 185.172.128.209, 49704, 80 NADYMSS-ASRU Russian Federation 9->40 42 185.172.128.228, 49713, 80 NADYMSS-ASRU Russian Federation 9->42 32 C:\Users\user\AppData\...\DHJECFCGHI.exe, PE32 9->32 dropped 34 C:\Users\user\AppData\...\softokn3[1].dll, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 9->36 dropped 38 11 other files (7 malicious) 9->38 dropped 60 Detected unpacking (changes PE section rights) 9->60 62 Detected unpacking (overwrites its own PE header) 9->62 64 Tries to steal Mail credentials (via file / registry access) 9->64 66 7 other signatures 9->66 14 cmd.exe 1 9->14         started        17 WerFault.exe 19 16 9->17         started        file5 signatures6 process7 signatures8 68 Uses ping.exe to sleep 14->68 70 Uses ping.exe to check the status of other devices and networks 14->70 19 DHJECFCGHI.exe 5 14->19         started        22 conhost.exe 14->22         started        process9 signatures10 54 Antivirus detection for dropped file 19->54 56 Multi AV Scanner detection for dropped file 19->56 24 cmd.exe 1 19->24         started        process11 signatures12 58 Uses ping.exe to sleep 24->58 27 PING.EXE 1 24->27         started        30 conhost.exe 24->30         started        process13 dnsIp14 44 2.2.2.2 FranceTelecom-OrangeFR France 27->44
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-07 21:42:07 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=72fe6uz7obzxk3u7pk6kbocggdda4qbhkg4wyes3c6wsfzqslvwa._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/240407-1kbh7sfc41/
Behaviour
Checks processor information in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.209
Unpacked files
SH256 hash:
3151103d0c3f5b27a6f2ad77aea8cea1b0b7e78394e6b356b2da0e2be6a1fe78
MD5 hash:
b5b0fec3a32449723b0f637aadd71a57
SHA1 hash:
ec75bf4a28915e347ba0ff665dd0eb2111e4f948
Detections:
stealc
Create hunting rule
win_stealc_auto
Create hunting rule
Link:
https://www.unpac.me/results/9a9484b4-f18e-4514-b24e-73a0c9c6398f/
Parent samples :
fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c
b01ba4fa201bdab5b405307ef916167a3128c903d88e30c34727a8743fdd9ace
a16a269613b2fba53277bdf23cee4dfb87754329437a7ea468cf4fe8ef656b09
SH256 hash:
fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c
MD5 hash:
8312651e6bac9b7a04db6df564958251
SHA1 hash:
54f36efb941322a3ce6aa5079b89b42e29308cad
Link:
https://www.unpac.me/results/9a9484b4-f18e-4514-b24e-73a0c9c6398f/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fe8a4f533f70/report/overview.html
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

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

Web download

Stealc

Executable exe fe8a4f533f7073756e9f7abca0b84630c60e402751b96c125b17ad22e6125d6c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2755131/
  
URLhaus
https://urlhaus.abuse.ch/url/2803113/
  
URLhaus
https://urlhaus.abuse.ch/url/2749139/
  
URLhaus
https://urlhaus.abuse.ch/url/2790147/

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 ThreadsADVAPI32.dll::OpenThreadToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyA

Comments


Avatar
zbet commented on 2024-04-07 21:41:07 UTC

url : hxxp://185.172.128.65/syncUpd.exe