MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e67e7c2573fa5e6522517d3f97cc38b79d47f4e0b16d4d1b9448ba72626d355. 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 8 File information Comments

SHA256 hash: 5e67e7c2573fa5e6522517d3f97cc38b79d47f4e0b16d4d1b9448ba72626d355
SHA3-384 hash: 82631c5260f82c72604b45baa462d8d6e3260c06cd9691f98dde7736e7219f8988508864a72b7fbf02b5b3123e9b4fd3
SHA1 hash: 2f1cdeab9876257be5c50fd3f575038d05b96c62
MD5 hash: 64faa451d9b18ae47a62b323a2d841f7
humanhash: earth-low-mars-grey
File name:file
Download: download sample
Signature Stealc
File size:293'376 bytes
First seen:2023-10-04 22:52:32 UTC
Last seen:2023-10-05 00:26:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash af52538c49e68cf6a3fee4a7384c59a3 (4 x Stealc, 2 x Tofsee, 1 x Smoke Loader)
ssdeep 6144:YmdeAX5gdXQNX6Pz9Vb7i+9iu/x36GxPFwJV:Ymd/5aXQNqbXbRPZKGUr
TLSH T16354E02175B2C873C6A3897C9434CB917A3F783297A985DB33341E9F5F603C19A6A352
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) (10523/12/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0000000002020400 (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 :
3
# of downloads :
424
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
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: 1319810 Sample: file.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 12 other signatures 2->58 9 file.exe 24 2->9         started        process3 dnsIp4 46 aidandylan.top 85.143.221.30, 49801, 49802, 49810 TRADERSOFTRU Russian Federation 9->46 48 5.42.64.10, 49799, 49800, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->48 50 3 other IPs or domains 9->50 38 C:\Users\user\AppData\...\1326266148.exe, PE32 9->38 dropped 40 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 9->40 dropped 42 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 9->42 dropped 68 Detected unpacking (changes PE section rights) 9->68 70 Detected unpacking (overwrites its own PE header) 9->70 14 cmd.exe 1 9->14         started        16 cmd.exe 1 9->16         started        18 BackgroundTransferHost.exe 13 9->18         started        20 BackgroundTransferHost.exe 13 9->20         started        file5 signatures6 process7 process8 22 1326266148.exe 2 28 14->22         started        26 conhost.exe 14->26         started        28 taskkill.exe 1 16->28         started        30 conhost.exe 16->30         started        dnsIp9 44 aidandylan.top 22->44 60 Antivirus detection for dropped file 22->60 62 Multi AV Scanner detection for dropped file 22->62 64 Detected unpacking (changes PE section rights) 22->64 66 7 other signatures 22->66 32 cmd.exe 1 22->32         started        signatures10 process11 process12 34 conhost.exe 32->34         started        36 timeout.exe 1 32->36         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-04 22:53:08 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Verdict:
malicious
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:
5e67e7c2573fa5e6522517d3f97cc38b79d47f4e0b16d4d1b9448ba72626d355
MD5 hash:
64faa451d9b18ae47a62b323a2d841f7
SHA1 hash:
2f1cdeab9876257be5c50fd3f575038d05b96c62
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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