MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423
SHA3-384 hash: c2f8db18b74cdf29a6316517b7db988e50d629801383847a6bc6e5c39563202e451a14d28e9a97d7818ebc66b77f0e42
SHA1 hash: bb5bfff621d2691a8461a77e25f87ec13957176a
MD5 hash: ad8a02a68b36bd0c78428d3552feacce
humanhash: equal-oxygen-may-five
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:196'648 bytes
First seen:2024-08-24 17:02:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:t7GCBMxBmNVP66jWNLndbhXj8nDdl8i2VfF0fBRb2PJu9fhxsPJt17So4kKYzEO:tyCBMxBmNVPdjAnqdln2VNJP0h+f8yEO
Threatray 37 similar samples on MalwareBazaar
TLSH T19B14122C970E9EB5D6DE2E764C19C074EFF8E7E99491026730CDC0B96A227250F9835E
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: http://147.45.44.104/prog/66ca11c91d783_vaelw.exe#space

Intelligence

File Origin
# of uploads :
1
# of downloads :
406
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-24 17:04:59 UTC
Tags:
vidar
Link:
https://app.any.run/tasks/45f8272a-0094-41db-8b2f-7dd184071421

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13988.16425.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ca1249e7ff3f5a063bdff3
Tags:
Encryption Static
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
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
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/66ca124a950c378bfba5a114/reports/364e1bf4-c08f-4693-9547-0ee656486ff6/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423
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/4eb0f71a-3170-48f2-92ed-224f7b3965d2
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1498451
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
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
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 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 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: 1498451 Sample: file.exe Startdate: 24/08/2024 Architecture: WINDOWS Score: 100 51 traineiwnqo.shop 2->51 53 tenntysjuxmz.shop 2->53 55 10 other IPs or domains 2->55 71 Multi AV Scanner detection for domain / URL 2->71 73 Suricata IDS alerts for network traffic 2->73 75 Found malware configuration 2->75 77 13 other signatures 2->77 9 file.exe 2 2->9         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->41 dropped 89 Contains functionality to inject code into remote processes 9->89 91 Writes to foreign memory regions 9->91 93 Allocates memory in foreign processes 9->93 95 Injects a PE file into a foreign processes 9->95 13 RegAsm.exe 1 276 9->13         started        18 conhost.exe 9->18         started        signatures6 process7 dnsIp8 63 t.me 149.154.167.99, 443, 49740, 49756 TELEGRAMRU United Kingdom 13->63 65 147.45.68.138, 49742, 49757, 80 FREE-NET-ASFREEnetEU Russian Federation 13->65 67 2 other IPs or domains 13->67 43 C:\Users\user\AppData\Local\...\sql[1].dll, PE32 13->43 dropped 45 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->45 dropped 47 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->47 dropped 49 13 other files (9 malicious) 13->49 dropped 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->97 99 Found many strings related to Crypto-Wallets (likely being stolen) 13->99 101 Tries to harvest and steal ftp login credentials 13->101 103 4 other signatures 13->103 20 KJJJDHDGDA.exe 2 13->20         started        23 KJJJDHDGDA.exe 1 13->23         started        25 cmd.exe 1 13->25         started        file9 signatures10 process11 signatures12 79 Multi AV Scanner detection for dropped file 20->79 81 Writes to foreign memory regions 20->81 83 Allocates memory in foreign processes 20->83 85 LummaC encrypted strings found 20->85 27 RegAsm.exe 20->27         started        30 conhost.exe 20->30         started        87 Injects a PE file into a foreign processes 23->87 32 RegAsm.exe 176 23->32         started        35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        39 timeout.exe 1 25->39         started        process13 dnsIp14 57 condedqpwqm.shop 104.21.10.172, 443, 49748 CLOUDFLARENETUS United States 27->57 59 caffegclasiqwp.shop 104.21.16.180, 443, 49752 CLOUDFLARENETUS United States 27->59 61 3 other IPs or domains 27->61 69 Tries to harvest and steal browser information (history, passwords, etc) 32->69 signatures15
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-08-24 17:03:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hci3jsritu6b5uphhuvpo6izdraukuvxsmbkgvdliwsd4kx6aqrq._file
Verdict:
unknown
Similar samples:
5c3058217a873a3393cf4b033ade3717e25c1d1cee2cc44c79e92fa8b9a73c38
Vidar
856f48350c1064b855c7ecd52549bc3cc214c12e1c0d0fc5af91ff9c45fb2841
Vidar
8e74f5644140e614077e5317d5ffb5ca0f828ed4870e1d6c1faf442c851e1909
Vidar
ccffebfd323ddf4ec97eeabecb0c59c759d40e1fb81a07016702479b87e0e484
Vidar
ddb51c81bbef639e7211b75c1309c0aeebadd37d70191ee1f2476866f5a6c274
Vidar
f483cd73cfdc2768e4a02bae030ee1bf56bc6382150c4848aaf9914aebd16347
Vidar
+ 27 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:vidar botnet:3cd4672c6baedc17edab0cb86e9453d1 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240824-vknwmssark/
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
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
https://t.me/jamelwt
https://steamcommunity.com/profiles/76561199761128941
https://t.me/iyigunl
https://traineiwnqo.shop/api
https://locatedblsoqp.shop/api
https://condedqpwqm.shop/api
https://millyscroqwp.shop/api
https://stagedchheiqwo.shop/api
https://caffegclasiqwp.shop/api
https://tenntysjuxmz.shop/api
https://stamppreewntnq.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/32072cac-4979-4cba-b574-b26b07ca9090
Unpacked files
SH256 hash:
ccc9c972a16852e99b445e1dca6f0343578993c730a2738eb45a21bd0ff0f27b
MD5 hash:
8a06e4d585d1f8b1d54d54206616c064
SHA1 hash:
0bdab895394d32190fd479296e26fe49f45d7963
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/c33d9ba5-2d7a-4cf2-8fa5-4999b48ce0eb/
Parent samples :
856f48350c1064b855c7ecd52549bc3cc214c12e1c0d0fc5af91ff9c45fb2841
93148abdd911e1816cd75fa313c048fea164da7d1f9cc3a8bfc23587deb2262b
b44da8b65f59bab4823e857a8d148ba663a99d6ba9d6e88f7db3cddfb1438ac2
7697845878a15c8e8189a96dc92a0c50e52c4aa43233c1821a94f6a774005949
3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/c33d9ba5-2d7a-4cf2-8fa5-4999b48ce0eb/
SH256 hash:
3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423
MD5 hash:
ad8a02a68b36bd0c78428d3552feacce
SHA1 hash:
bb5bfff621d2691a8461a77e25f87ec13957176a
Link:
https://www.unpac.me/results/c33d9ba5-2d7a-4cf2-8fa5-4999b48ce0eb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3891b4ca289d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
vidar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423

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 3891b4ca289d3c1ed1e73d2af779191c414552b79302a3546b45a43e2afe0423

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3126452/
  
URLhaus
https://urlhaus.abuse.ch/url/3127851/

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