MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: 6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0
SHA3-384 hash: 010042f0f4ec38008799a1e82faa937d035df2c626249e974be025a1b49521c06ba39ed06a52641d1d3f0ec39790c5ed
SHA1 hash: c9a07c6904d4bdd5b41a02dfcf9465a69df9fbb7
MD5 hash: 2cd2fe9cdc8d0007e549863d15c70385
humanhash: bluebird-utah-fifteen-low
File name:file
Download: download sample
Signature Stealc
File size:374'784 bytes
First seen:2023-10-03 20:15:05 UTC
Last seen:2023-10-04 08:07:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 775c7d434cffd499e537a34db4132a29 (3 x Stealc, 2 x MarsStealer, 2 x GCleaner)
ssdeep 6144:oF2FIvTpXb975SmaZyydUd2o95J9K8G/mV7QthCa+E:oFMElX575SmdooTJWmqjCa+
Threatray 64 similar samples on MalwareBazaar
TLSH T1EA84B012A390F821D5725A318E3AC7A57B2EFC918E6957DB33583F3B19702E1D662703
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 024a4a1110082306 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://5.42.64.10/api/files/software/s2.exe

Intelligence


File Origin
# of uploads :
12
# of downloads :
286
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Launching a process
Query of malicious DNS domain
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Gathering data
Gathering data
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:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar, onlyLogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected onlyLogger
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1319019 Sample: file.exe Startdate: 03/10/2023 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 12 other signatures 2->54 9 file.exe 24 2->9         started        process3 dnsIp4 42 aidandylan.top 85.143.221.30, 49786, 49787, 49788 TRADERSOFTRU Russian Federation 9->42 44 5.42.64.10, 49784, 49785, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->44 46 3 other IPs or domains 9->46 34 C:\Users\user\AppData\...\0503447743.exe, PE32 9->34 dropped 36 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 9->36 dropped 38 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 9->38 dropped 64 Detected unpacking (changes PE section rights) 9->64 66 Detected unpacking (overwrites its own PE header) 9->66 14 cmd.exe 1 9->14         started        16 cmd.exe 1 9->16         started        file5 signatures6 process7 process8 18 0503447743.exe 2 38 14->18         started        22 conhost.exe 14->22         started        24 taskkill.exe 1 16->24         started        26 conhost.exe 16->26         started        dnsIp9 40 aidandylan.top 18->40 56 Antivirus detection for dropped file 18->56 58 Multi AV Scanner detection for dropped file 18->58 60 Detected unpacking (changes PE section rights) 18->60 62 7 other signatures 18->62 28 cmd.exe 1 18->28         started        signatures10 process11 process12 30 conhost.exe 28->30         started        32 timeout.exe 1 28->32         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-03 19:07:59 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://aidandylan.top
Unpacked files
SH256 hash:
6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0
MD5 hash:
2cd2fe9cdc8d0007e549863d15c70385
SHA1 hash:
c9a07c6904d4bdd5b41a02dfcf9465a69df9fbb7
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
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_OnlyLogger
Author:ditekSHen
Description:Detects OnlyLogger loader variants
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_gcleaner_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.
Rule name:yara_template

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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