MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207. 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: 05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207
SHA3-384 hash: 4215d473573bc393a977e0590106618b6751cbfba736cd00a549eb7ef55eea5baa30dabec2fc27a0351a28abd69cc8c9
SHA1 hash: d15e45feefbbc010db92ae897d80bc7419c0d046
MD5 hash: f73186df5a030cf7f186b0737c3af1f7
humanhash: beryllium-item-delta-coffee
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:413'224 bytes
First seen:2024-09-26 22:12:56 UTC
Last seen:2024-09-26 23:33:42 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 12288:WFVCXJfc+aP2LQB0g7YUsKEJGxhimXJEO:MCX2d+LQqbKEJQim5t
Threatray 122 similar samples on MalwareBazaar
TLSH T1CE94238986C98391EC7CBC347516D75621F1B7E5EC131E89B06A70F9E8CD3A025B43AE
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/66f5db9e54794_vfkagks.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
434
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 22:15:12 UTC
Tags:
vidar stealer loader
Link:
https://app.any.run/tasks/e64d0a57-f89f-4497-90ec-6a933e24ee72

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:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f5dc7079032805ce8e3eb0
Tags:
Encryption Static Exploit Micro Tori
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
Forced shutdown of a system process
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
Link:
https://www.filescan.io/uploads/66f5dc6fb0f518b6a9fc78ec/reports/57c7bd49-1df7-4aee-97bc-2efa212e917d/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207
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.
Gathering data
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/1519759
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
Sigma detected: Suspicious Add User to Remote Desktop Users Group
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: 1519759 Sample: file.exe Startdate: 27/09/2024 Architecture: WINDOWS Score: 100 107 wallkedsleeoi.shop 2->107 109 vozmeatillu.shop 2->109 111 11 other IPs or domains 2->111 131 Suricata IDS alerts for network traffic 2->131 133 Found malware configuration 2->133 135 Antivirus detection for URL or domain 2->135 137 21 other signatures 2->137 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 99 C:\Users\user\AppData\Local\...\file.exe.log, CSV 11->99 dropped 151 Contains functionality to inject code into remote processes 11->151 153 Writes to foreign memory regions 11->153 155 Allocates memory in foreign processes 11->155 157 Injects a PE file into a foreign processes 11->157 21 RegAsm.exe 1 163 11->21         started        26 conhost.exe 11->26         started        signatures6 process7 dnsIp8 119 cowod.hopto.org 45.132.206.251, 49778, 80 LIFELINK-ASRU Russian Federation 21->119 121 5.75.211.162, 443, 49740, 49741 HETZNER-ASDE Germany 21->121 123 2 other IPs or domains 21->123 91 C:\Users\...\66f5dbaca34ac_lfdnsafnds[1].exe, PE32 21->91 dropped 93 C:\Users\...\66f5db9e54794_vfkagks[1].exe, PE32 21->93 dropped 95 C:\Users\user\...\66f5d9ab0d4c7_rdp[1].exe, PE32 21->95 dropped 97 9 other files (7 malicious) 21->97 dropped 139 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->139 141 Found many strings related to Crypto-Wallets (likely being stolen) 21->141 143 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->143 145 5 other signatures 21->145 28 AFHDGDGIID.exe 21->28         started        33 GIIIIJDHJE.exe 2 21->33         started        35 IDBAFHDGDG.exe 2 21->35         started        37 cmd.exe 21->37         started        file9 signatures10 process11 dnsIp12 125 8.46.123.33, 3389, 49784 AS-PUBMATICUS United States 28->125 127 api.ipify.org 104.26.13.205, 49783, 80 CLOUDFLARENETUS United States 28->127 129 239.255.255.250 unknown Reserved 28->129 105 C:\Users\user\AppData\Local\...\RDPWInst.exe, PE32 28->105 dropped 167 Antivirus detection for dropped file 28->167 169 Machine Learning detection for dropped file 28->169 39 cmd.exe 28->39         started        41 cmd.exe 28->41         started        44 cmd.exe 28->44         started        55 4 other processes 28->55 171 Multi AV Scanner detection for dropped file 33->171 173 Writes to foreign memory regions 33->173 175 Allocates memory in foreign processes 33->175 46 RegAsm.exe 213 33->46         started        48 conhost.exe 33->48         started        177 Injects a PE file into a foreign processes 35->177 179 LummaC encrypted strings found 35->179 50 RegAsm.exe 35->50         started        53 conhost.exe 35->53         started        57 2 other processes 37->57 file13 signatures14 process15 dnsIp16 59 RDPWInst.exe 39->59         started        63 conhost.exe 39->63         started        147 Adds a new user with administrator rights 41->147 65 net.exe 41->65         started        67 conhost.exe 41->67         started        69 net.exe 44->69         started        71 conhost.exe 44->71         started        149 Tries to harvest and steal browser information (history, passwords, etc) 46->149 113 wallkedsleeoi.shop 104.21.36.139, 443, 49766 CLOUDFLARENETUS United States 50->113 115 gutterydhowi.shop 104.21.4.136, 443, 49767 CLOUDFLARENETUS United States 50->115 117 5 other IPs or domains 50->117 73 net.exe 55->73         started        75 net.exe 55->75         started        77 6 other processes 55->77 signatures17 process18 file19 101 C:\Program Files\RDP Wrapper\rdpwrap.dll, PE32+ 59->101 dropped 103 C:\Windows\System32\rfxvmt.dll, PE32+ 59->103 dropped 159 Multi AV Scanner detection for dropped file 59->159 161 Machine Learning detection for dropped file 59->161 163 Uses netsh to modify the Windows network and firewall settings 59->163 165 3 other signatures 59->165 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        89 net1.exe 77->89         started        signatures20 process21
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207/
Threat name:
ByteCode-MSIL.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2024-09-26 22:13:12 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=axdhvf3f7ypl5phnv3rxn6d2qa6xzu36nrobt56tg3bpcsso6idq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5
Vidar
8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616
Vidar
941e7002f11290e3ed9dd99d8cc0abc62f6cf69b923ae30b89741579854a8a70
Vidar
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811
Vidar
f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d
Vidar
+ 112 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:vidar botnet:e90840a846d017e7b095f7543cdf2d15 credential_access discovery evasion persistence privilege_escalation spyware stealer
Link:
https://tria.ge/reports/240926-14259stbrd/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Modifies WinLogon
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
Checks computer location settings
Downloads MZ/PE file
Modifies Windows Firewall
Server Software Component: Terminal Services DLL
Detect Vidar Stealer
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
https://reinforcenh.shop/api
https://stogeneratmns.shop/api
https://fragnantbui.shop/api
https://drawzhotdog.shop/api
https://vozmeatillu.shop/api
https://offensivedzvju.shop/api
https://ghostreedmnu.shop/api
https://gutterydhowi.shop/api
https://wallkedsleeoi.shop/api
https://ballotnwu.site/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7f06fc16-8e6a-49d4-bc76-af23e722fb5f
Unpacked files
SH256 hash:
f39762167576f75e400f8efb5a2c3041670baa41087655d972923d8134e22d41
MD5 hash:
633a4388cf57c4f615380fdd829c0ad2
SHA1 hash:
b9019f9cf272a072c8745b40a8d4b7b9a2ed1a25
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/c4ef4435-68c6-463b-b5b4-13679a4440d2/
Parent samples :
f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d
05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/c4ef4435-68c6-463b-b5b4-13679a4440d2/
SH256 hash:
05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207
MD5 hash:
f73186df5a030cf7f186b0737c3af1f7
SHA1 hash:
d15e45feefbbc010db92ae897d80bc7419c0d046
Link:
https://www.unpac.me/results/c4ef4435-68c6-463b-b5b4-13679a4440d2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/05c67a9765fe/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.36
Link:
https://yomi.yoroi.company/submissions/05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

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 05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3193106/

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