MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be. 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


Vidar


Vendor detections: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be
SHA3-384 hash: c687493a11786b4bbd49f45710664f52bea071fd5db73d15ff60882c63f453171cadd51d0a61d2ea82c84fd182e0ea3a
SHA1 hash: 4f3a72cef34d2016e59017200c18ffe31d04302e
MD5 hash: 24366096e1851e1ba5f3059095522f63
humanhash: magazine-high-magazine-mississippi
File name:24366096e1851e1ba5f3059095522f63.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:194'600 bytes
First seen:2024-09-02 05:25:03 UTC
Last seen:2024-09-02 14:54:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:wU9LYopkuOZVSEkUnJRmw1ukurhp/x/9+k8Nxt9gmpTH27ipj9nyp1YKgrnowKYp:tZYopkuO+ErSnR9+t91bGipj9nyvYVDt
Threatray 6 similar samples on MalwareBazaar
TLSH T19E1412454E8AA624FEAD4E38A5F0CA2DDFB99F34335356FF31980163839176938742B1
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe vidar

Intelligence

File Origin
# of uploads :
3
# of downloads :
404
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
24366096e1851e1ba5f3059095522f63.exe
Verdict:
Malicious activity
Analysis date:
2024-09-02 05:35:18 UTC
Tags:
vidar
Link:
https://app.any.run/tasks/23f15825-756f-403d-8626-ac4689b64e5c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10035189-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d54c38a0c486d2f79400d4
Tags:
Encryption Static Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66d54c6b8fe48c66f3bc46d3/reports/9eac8a51-7b74-4db7-ba0a-7e564647f791/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be
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:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92c8d328-bc9b-4364-b51e-2c4c3635e128
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1502667
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
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)
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1502667 Sample: xnfvsO7kVN.exe Startdate: 02/09/2024 Architecture: WINDOWS Score: 100 58 stamppreewntnq.shop 2->58 60 stadiatechnologies.com 2->60 80 Multi AV Scanner detection for domain / URL 2->80 82 Suricata IDS alerts for network traffic 2->82 84 Found malware configuration 2->84 86 11 other signatures 2->86 10 xnfvsO7kVN.exe 2 2->10         started        signatures3 process4 file5 48 C:\Users\user\AppData\...\xnfvsO7kVN.exe.log, CSV 10->48 dropped 102 Contains functionality to inject code into remote processes 10->102 104 Writes to foreign memory regions 10->104 106 Allocates memory in foreign processes 10->106 108 Injects a PE file into a foreign processes 10->108 14 RegAsm.exe 1 455 10->14         started        19 RegAsm.exe 10->19         started        21 conhost.exe 10->21         started        signatures6 process7 dnsIp8 62 stadiatechnologies.com 95.164.119.162, 49734, 80 VAKPoltavaUkraineUA Gibraltar 14->62 64 147.45.68.138, 49730, 49739, 80 FREE-NET-ASFREEnetEU Russian Federation 14->64 66 147.45.44.104, 49731, 80 FREE-NET-ASFREEnetEU Russian Federation 14->66 50 C:\ProgramData\softokn3.dll, PE32 14->50 dropped 52 C:\ProgramData\nss3.dll, PE32 14->52 dropped 54 C:\ProgramData\mozglue.dll, PE32 14->54 dropped 56 5 other files (3 malicious) 14->56 dropped 70 Found many strings related to Crypto-Wallets (likely being stolen) 14->70 72 Tries to harvest and steal ftp login credentials 14->72 74 Tries to harvest and steal browser information (history, passwords, etc) 14->74 76 Tries to steal Crypto Currency Wallets 14->76 23 FBGHCGCAEB.exe 2 14->23         started        26 HDAFBAEBKJ.exe 2 14->26         started        28 cmd.exe 14->28         started        78 Searches for specific processes (likely to inject) 19->78 file9 signatures10 process11 signatures12 90 Multi AV Scanner detection for dropped file 23->90 92 Machine Learning detection for dropped file 23->92 94 Writes to foreign memory regions 23->94 96 LummaC encrypted strings found 23->96 30 RegAsm.exe 23->30         started        33 conhost.exe 23->33         started        35 RegAsm.exe 23->35         started        98 Allocates memory in foreign processes 26->98 100 Injects a PE file into a foreign processes 26->100 37 RegAsm.exe 204 26->37         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 timeout.exe 28->44         started        process13 dnsIp14 68 stamppreewntnq.shop 188.114.97.3, 443, 49732, 49733 CLOUDFLARENETUS European Union 30->68 46 WerFault.exe 30->46         started        88 Tries to harvest and steal browser information (history, passwords, etc) 37->88 signatures15 process16
Score:
73%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-01 23:00:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5s2rs4bntvpc2zvgq2cmhbsbp7iz6mqpxipopq2r3veftkwss7a._file
Verdict:
malicious
Similar samples:
30bc474ae7ee49eb799aed9aaff0954cf61aea144929c7ce4ac083d6b9930070
Vidar
5a9b441d59e7ac7e3bdc74a11ed13150aecbf061b3e6611e2e10d11cd232c5d2
Vidar
80cde83f85aedc5892417940512290281c355753ccc6d5624e0c21e6ad232c42
Vidar
ef7e913e51b970193a61248fccf25fa32f9efbdc82953ca0850d9607e87cdd68
Vidar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:vidar botnet:80f8ee81dee2e1cde612ec12e591b2af credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240902-f4b9masgmn/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
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
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
http://147.45.68.138:80
https://steamcommunity.com/profiles/76561199761128941
https://t.me/iyigunl
https://stamppreewntnq.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a243fbd7-701d-4274-839b-f5839e13d73d
Unpacked files
SH256 hash:
88bb8f3f37455b0c39cee96c9e077d0f46244846f1870caa8b33403649eabcf3
MD5 hash:
318d96c3d2f5434045811f06c5e2170c
SHA1 hash:
3fe210aba5cdfd199924943a088a21896978ac38
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/d4d4afb3-a15d-484c-b64e-2e5e44af5b6e/
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/d4d4afb3-a15d-484c-b64e-2e5e44af5b6e/
SH256 hash:
8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be
MD5 hash:
24366096e1851e1ba5f3059095522f63
SHA1 hash:
4f3a72cef34d2016e59017200c18ffe31d04302e
Link:
https://www.unpac.me/results/d4d4afb3-a15d-484c-b64e-2e5e44af5b6e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f65a8cb816c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Stealc
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Vidar

Executable exe 8f65a8cb816ceaf16b353434261c320bfe8cf9907dd0f73e1a8eea42cd5694be

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3152667/
  
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 (GUARD_CF)high

Comments