MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7. 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: 18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7
SHA3-384 hash: 6663cdb951b0dae9cc4c5025401e3e6abc0c2455c387e68a30bcd9d702d01ef0dc6c98b8e900929e9056a5c5f9477ac6
SHA1 hash: b49946e95000112526db207bddf2cb35d81c0526
MD5 hash: 53e1f662a1c7d863d7971ed959239099
humanhash: chicken-blossom-seventeen-ceiling
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:214'608 bytes
First seen:2024-08-18 11:18:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:q04rX3DxPNQ6wYFyAdLlKcglxUv0q3ER5gYR8rHU127k0/T9abZCWeOKYzEBKYzt:H4T31ejilbBgYH3mVRP47k0/6bPETEO
TLSH T1222413863BED4C20EDDDDEB274B0C2529EB2A260FEC15CDBA0594272D7E17153478369
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)
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: http://147.45.44.104/prog/66bddfcb52736_vidar.exe#space

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-18 11:27:32 UTC
Tags:
vidar stealer loader lumma
Link:
https://app.any.run/tasks/4eab0f26-fcb8-4d8c-80d5-0fc8df69e720

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Stelpak-10034590-0
Create hunting rule

Win.Packed.Pwsx-10034591-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c1d8a7b35234d5cc65ffb2
Tags:
Encryption Static Nekark
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66c1d8a6b70f08db50c7a388/reports/486dae04-5a19-468c-b639-4457306885b2/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7
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/7049f659-2914-464f-bc2b-6b0cc74d3318
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1494415
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
Machine Learning detection for sample
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
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 Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1494415 Sample: file.exe Startdate: 18/08/2024 Architecture: WINDOWS Score: 100 51 weiggheticulop.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 12 other signatures 2->77 9 file.exe 1 2->9         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->41 dropped 91 Contains functionality to inject code into remote processes 9->91 93 Writes to foreign memory regions 9->93 95 Allocates memory in foreign processes 9->95 97 Injects a PE file into a foreign processes 9->97 13 RegAsm.exe 1 43 9->13         started        18 RegAsm.exe 9->18         started        20 RegAsm.exe 9->20         started        signatures6 process7 dnsIp8 57 195.201.118.191, 443, 49705, 49706 HETZNER-ASDE Germany 13->57 59 steamcommunity.com 23.197.127.21, 443, 49704, 49745 AKAMAI-ASN1EU United States 13->59 61 147.45.44.104, 49730, 80 FREE-NET-ASFREEnetEU Russian Federation 13->61 43 C:\Users\user\...\66bfee9fd7d9a_lumma[1].exe, PE32 13->43 dropped 45 C:\Users\user\...\66bddfcb52736_vidar[1].exe, PE32 13->45 dropped 47 C:\ProgramData\softokn3.dll, PE32 13->47 dropped 49 7 other files (5 malicious) 13->49 dropped 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->99 101 Found many strings related to Crypto-Wallets (likely being stolen) 13->101 103 Tries to harvest and steal ftp login credentials 13->103 107 3 other signatures 13->107 22 BKFBAECBAE.exe 1 13->22         started        25 DHDAKFCGIJ.exe 1 13->25         started        27 cmd.exe 1 13->27         started        105 Searches for specific processes (likely to inject) 18->105 file9 signatures10 process11 signatures12 79 Multi AV Scanner detection for dropped file 22->79 81 Machine Learning detection for dropped file 22->81 83 Writes to foreign memory regions 22->83 85 LummaC encrypted strings found 22->85 29 RegAsm.exe 22->29         started        32 RegAsm.exe 22->32         started        87 Allocates memory in foreign processes 25->87 89 Injects a PE file into a foreign processes 25->89 34 RegAsm.exe 18 25->34         started        37 conhost.exe 27->37         started        39 timeout.exe 1 27->39         started        process13 dnsIp14 63 southedhiscuso.shop 104.21.17.213, 443, 49742 CLOUDFLARENETUS United States 29->63 65 drinnkysoapmzv.shop 104.21.40.15, 443, 49733 CLOUDFLARENETUS United States 29->65 67 5 other IPs or domains 29->67 69 Tries to harvest and steal browser information (history, passwords, etc) 34->69 signatures15
Score:
82%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-08-17 23:40:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ddbp32tjg3mw2gtqoibok3ycqv524avrptvgeuk2chyttsvun23q._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240818-net25sthlp/
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:
https://steamcommunity.com/profiles/76561199751190313
https://t.me/pech0nk
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/51d75592-f48b-4d3b-987d-5095b00c1303
Unpacked files
SH256 hash:
acb030768ba196451630b2e79467feed83efbe035d94c65e835815b0d06d8fb2
MD5 hash:
d413e5ae2143bd27872c6ea2395417c1
SHA1 hash:
aae94e4dc240010d691651adcd02ab786c0e4574
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/6cc34d0e-0de4-4ade-a422-afd5a5e4437b/
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/6cc34d0e-0de4-4ade-a422-afd5a5e4437b/
SH256 hash:
18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7
MD5 hash:
53e1f662a1c7d863d7971ed959239099
SHA1 hash:
b49946e95000112526db207bddf2cb35d81c0526
Link:
https://www.unpac.me/results/6cc34d0e-0de4-4ade-a422-afd5a5e4437b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/18c2fdea6936/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/18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7

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 18c2fdea6936d96d1a707202e56f02857bae02b17cea62515a11f139cab46eb7

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3114092/
  
URLhaus
https://urlhaus.abuse.ch/url/3114130/

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