MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
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SHA256 hash: 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d
SHA3-384 hash: b2e546e7bd484d50b6a61386a849b990201b11e5c6c0922053c5a30f7fc6d646e1ef8530a1498967dbf84e39116dbe89
SHA1 hash: 8e494a7d4b3d54e03a3b27c8dfde51295bb56737
MD5 hash: d264213f54193475ffd0301f7d92639f
humanhash: don-mockingbird-social-fifteen
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:289'832 bytes
First seen:2024-09-11 07:19:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:wsBdXzlQZTJm2CMA8E0pNdx651jzTqR0noaLKRUEO:wsBtzloTJm2CMA8qLPm0noaGRUEO
Threatray 22 similar samples on MalwareBazaar
TLSH T1D75423575ADEA726E3F4003E34A0B36E6FB1AB63FCECC9D5619AC664ED5130213250C9
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 Bitsight
Tags:exe vidar


Avatar
Bitsight
url: https://fallaeltro.es/vtrwh12.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
407
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-11 07:20:56 UTC
Tags:
vidar telegram stealer
Link:
https://app.any.run/tasks/54f880c1-e245-44d2-8e93-2b0b8821e36d

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:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e144a476bc4542b049678e
Tags:
Encryption Static
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66e144a3f3d08fbdb5789b3f/reports/4106b1c1-9484-4b6d-9996-85a0c9be2b85/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/89d338ab-1be6-4faa-8954-4760f3a785a5
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1509204
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected AntiVM3
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: 1509204 Sample: file.exe Startdate: 11/09/2024 Architecture: WINDOWS Score: 100 38 t.me 2->38 40 fallaeltro.es 2->40 48 Multi AV Scanner detection for domain / URL 2->48 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 13 other signatures 2->54 8 file.exe 2 2->8         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\...\file.exe.log, CSV 8->28 dropped 56 Contains functionality to inject code into remote processes 8->56 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Injects a PE file into a foreign processes 8->62 12 RegAsm.exe 164 8->12         started        17 RegAsm.exe 8->17         started        19 conhost.exe 8->19         started        21 RegAsm.exe 8->21         started        signatures6 process7 dnsIp8 42 fallaeltro.es 37.153.95.99, 443, 49739 UNELINKES Spain 12->42 44 t.me 149.154.167.99, 443, 49715 TELEGRAMRU United Kingdom 12->44 46 2 other IPs or domains 12->46 30 C:\Users\user\AppData\Local\...\vhtrw[1].exe, PE32 12->30 dropped 32 C:\ProgramData\softokn3.dll, PE32 12->32 dropped 34 C:\ProgramData\nss3.dll, PE32 12->34 dropped 36 5 other files (4 malicious) 12->36 dropped 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->64 66 Found many strings related to Crypto-Wallets (likely being stolen) 12->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->68 72 4 other signatures 12->72 23 WerFault.exe 20 16 12->23         started        70 Searches for specific processes (likely to inject) 17->70 file9 signatures10 process11 file12 26 C:\ProgramData\Microsoft\...\Report.wer, Unicode 23->26 dropped
Score:
73%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-11 07:20:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nmi2sfmzcbfta6kvutg6lfbnrhwsviu6qm72ekpccnukomjzdbwq._file
Verdict:
unknown
Similar samples:
3b79a6f501554bc68d204d6b0b7ea80cc1619d9dd0ffebb6933edc3e9b8f29ac
Vidar
41915ffe249fb3ca4d56f818f326fc362fbb65da11e1bc46c556cc73a871f5ea
Vidar
8eb8822fcff05d89036329669bd654ca07ac68acbe7266d62223e2b5ad9eb67b
Vidar
abca40b38e430b2eca2c726dfbda0179abc347028f401bb3ddc143c293e218b5
Vidar
daf4e8849a3b6011bff41cc2c7decee8c769a4ebf2be3d7316930f40448ddb25
Vidar
ec9a1bede697caba74ff4666e0317cb3231fe37fbcb9f8821620c52d7d8a4dad
Vidar
+ 12 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240911-h53t3sydkj/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
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
Vidar
Malware Config
C2 Extraction:
http://147.45.126.10:80
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/52dba452-cf1f-4b91-afd9-d590168df8c1
Unpacked files
SH256 hash:
b9cc7795f710fa361f0ae6c4277c0d7155e9c58c825203aebe87130e8a11a2ac
MD5 hash:
290371269f7b37b232e3103484790bd7
SHA1 hash:
1df5e24abd686b2d15dcd91a1dad2a982f59cb26
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/8250e26d-67f4-4a4f-9e17-fdd050c83dd5/
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/8250e26d-67f4-4a4f-9e17-fdd050c83dd5/
SH256 hash:
6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d
MD5 hash:
d264213f54193475ffd0301f7d92639f
SHA1 hash:
8e494a7d4b3d54e03a3b27c8dfde51295bb56737
Link:
https://www.unpac.me/results/8250e26d-67f4-4a4f-9e17-fdd050c83dd5/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b11a9159910/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d

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:Detect_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
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 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3166760/

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

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