MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440
SHA3-384 hash: cf14e0576204ff99d85a09511ca4d8060e8b3d839ed03dafcc7da09cae5d38f69bdfe24d8de6ac5f3ea9b52f92d17f29
SHA1 hash: 7f4772d99549926dc85744656e339d8aea46a414
MD5 hash: 252a19a2ffc2aaee5ed5d3f84ba30d38
humanhash: fix-skylark-ceiling-six
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:413'224 bytes
First seen:2024-09-26 23:46:42 UTC
Last seen:2024-09-27 00:23:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:cekXGMQ2zoxTMB6hbaJpbyLDFUGKpg1rUH7XoOEO:cecL8dMB6hgpbwDY+KXoOt
Threatray 130 similar samples on MalwareBazaar
TLSH T1FA9423F55DEF463CC24809B0F6D43B65B632B753B829A08FF499A8E719293200F59B35
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/66f5dba1b0c9b_vfadgds15.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
416
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-26 23:49:13 UTC
Tags:
vidar stealer
Link:
https://app.any.run/tasks/ce0f4933-ff57-4820-ba5c-e6321f52258f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilzilla-10036350-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f5f27879032805ce8e41e3
Tags:
Encryption Static Stealc Micro Tori Msil
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
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Sending a TCP request to an infection source
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed stealc
Link:
https://www.filescan.io/uploads/66f5f27619fd255708d761ec/reports/832eec58-0e85-472d-bc07-b96ad40333d6/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd9e3ee8-2838-474a-87cd-f98d90964e42
Result
Threat name:
LummaC, RDPWrap Tool, LummaC Stealer, Vi
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1519882
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a new user with administrator rights
AI detected suspicious sample
Allocates memory in foreign processes
Allows multiple concurrent remote connection
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Enables remote desktop connection
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
Modifies the windows firewall
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)
Sigma detected: Outbound RDP Connections Over Non-Standard Tools
Sigma detected: RDP Sensitive Settings Changed
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
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected RDPWrap Tool
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1519882 Sample: file.exe Startdate: 27/09/2024 Architecture: WINDOWS Score: 100 105 wallkedsleeoi.shop 2->105 107 vozmeatillu.shop 2->107 109 12 other IPs or domains 2->109 129 Suricata IDS alerts for network traffic 2->129 131 Found malware configuration 2->131 133 Antivirus detection for URL or domain 2->133 135 20 other signatures 2->135 11 file.exe 2 2->11         started        15 rdpvideominiport.sys 2->15         started        17 rdpdr.sys 2->17         started        19 tsusbhub.sys 2->19         started        signatures3 process4 file5 97 C:\Users\user\AppData\Local\...\file.exe.log, CSV 11->97 dropped 149 Contains functionality to inject code into remote processes 11->149 151 Writes to foreign memory regions 11->151 153 Allocates memory in foreign processes 11->153 155 Injects a PE file into a foreign processes 11->155 21 RegAsm.exe 1 150 11->21         started        26 conhost.exe 11->26         started        signatures6 process7 dnsIp8 111 cowod.hopto.org 45.132.206.251, 49747, 80 LIFELINK-ASRU Russian Federation 21->111 113 5.75.211.162, 443, 49711, 49712 HETZNER-ASDE Germany 21->113 115 2 other IPs or domains 21->115 89 C:\Users\user\...\66f5de72d9ebd_rdp[1].exe, PE32 21->89 dropped 91 C:\Users\...\66f5dbaca34ac_lfdnsafnds[1].exe, PE32 21->91 dropped 93 C:\Users\...\66f5db9e54794_vfkagks[1].exe, PE32 21->93 dropped 95 9 other files (7 malicious) 21->95 dropped 137 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->137 139 Found many strings related to Crypto-Wallets (likely being stolen) 21->139 141 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->141 143 5 other signatures 21->143 28 JKEHIIJJEC.exe 21->28         started        33 EBAAFCAFCB.exe 2 21->33         started        35 KECGDBFCBK.exe 2 21->35         started        37 cmd.exe 21->37         started        file9 signatures10 process11 dnsIp12 117 8.46.123.33, 3389, 49764 AS-PUBMATICUS United States 28->117 119 api.ipify.org 104.26.12.205, 49763, 80 CLOUDFLARENETUS United States 28->119 121 239.255.255.250 unknown Reserved 28->121 103 C:\Users\user\AppData\Local\...\RDPWInst.exe, PE32 28->103 dropped 165 Antivirus detection for dropped file 28->165 167 Machine Learning detection for dropped file 28->167 39 cmd.exe 28->39         started        41 cmd.exe 28->41         started        44 cmd.exe 28->44         started        53 3 other processes 28->53 169 Multi AV Scanner detection for dropped file 33->169 171 Writes to foreign memory regions 33->171 173 Allocates memory in foreign processes 33->173 175 LummaC encrypted strings found 33->175 46 RegAsm.exe 33->46         started        55 2 other processes 33->55 177 Injects a PE file into a foreign processes 35->177 49 RegAsm.exe 197 35->49         started        51 conhost.exe 35->51         started        57 2 other processes 37->57 file13 signatures14 process15 dnsIp16 59 RDPWInst.exe 39->59         started        63 conhost.exe 39->63         started        145 Adds a new user with administrator rights 41->145 65 net.exe 41->65         started        67 conhost.exe 41->67         started        69 net.exe 44->69         started        71 conhost.exe 44->71         started        123 ballotnwu.site 104.21.2.13, 443, 49752 CLOUDFLARENETUS United States 46->123 125 wallkedsleeoi.shop 104.21.36.139, 443, 49736 CLOUDFLARENETUS United States 46->125 127 5 other IPs or domains 46->127 147 Tries to harvest and steal browser information (history, passwords, etc) 49->147 73 net.exe 53->73         started        75 net.exe 53->75         started        77 4 other processes 53->77 signatures17 process18 file19 99 C:\Program Files\RDP Wrapper\rdpwrap.dll, PE32+ 59->99 dropped 101 C:\Windows\System32\rfxvmt.dll, PE32+ 59->101 dropped 157 Multi AV Scanner detection for dropped file 59->157 159 Machine Learning detection for dropped file 59->159 161 Uses netsh to modify the Windows network and firewall settings 59->161 163 3 other signatures 59->163 79 netsh.exe 59->79         started        81 net1.exe 65->81         started        83 net1.exe 69->83         started        85 net1.exe 73->85         started        87 net1.exe 75->87         started        signatures20 process21
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-26 22:48:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mm2sqkiy2wvxt3lxasq5yzkzcx4ctrbvtf7dduqhqdlo3ibquraa._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
2a8ad4c9af3031fde7d322613cfba967c63ff6e5657c74ba8693050039f07f6e
Vidar
6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440
Vidar
8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616
Vidar
941e7002f11290e3ed9dd99d8cc0abc62f6cf69b923ae30b89741579854a8a70
Vidar
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811
Vidar
f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d
Vidar
+ 120 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:6c8ce6f422a1d9cf34f23d1c2168e754 discovery spyware stealer
Link:
https://tria.ge/reports/240926-3svcdsthpk/
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks installed software on the system
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
Verdict:
Malicious
Tags:
stealc vidar stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/7ee247b4-399c-413e-aa27-205404f3502e
Unpacked files
SH256 hash:
766d5add183f1700f480a8d75299fd05760c94a15467d6514e45d8bc8617f3d2
MD5 hash:
eacb04a5796c255d14af5a2aded7ecf2
SHA1 hash:
32f141d1b001e497c58b4934edefd3510cee4406
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/4eaf3c28-ad64-4505-aa10-72f488b51d99/
Parent samples :
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811
6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/4eaf3c28-ad64-4505-aa10-72f488b51d99/
SH256 hash:
6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440
MD5 hash:
252a19a2ffc2aaee5ed5d3f84ba30d38
SHA1 hash:
7f4772d99549926dc85744656e339d8aea46a414
Link:
https://www.unpac.me/results/4eaf3c28-ad64-4505-aa10-72f488b51d99/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6335282918d5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440

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 6335282918d5ab79ed7704a1dc655915f829c435997e31d20780d6eda030a440

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3193178/

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