MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5. 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: 3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5
SHA3-384 hash: 8d43cc212070c45a463b842e24984e40b23a5063771d8f19c6e513adc54f81d7c306c1ecdcd4622ba862577cc9cd4daf
SHA1 hash: 0aac664d9c06f47a970f88389401a14705337121
MD5 hash: 1992187cfdd036a0eecb8f5ca9340cc0
humanhash: football-oxygen-ack-eleven
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:413'224 bytes
First seen:2024-09-26 20:54:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9TF2nYPwGYGzePmnWkMkBR0pwvxT613EO:9TF2YPwGleYMkBRVZ6Rt
Threatray 117 similar samples on MalwareBazaar
TLSH T12E94232E2E808715CC280F7E7865C5B6BBBD657372DE7506615BDB04A738BF41CA4382
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://dbsmena.com/vdsg12.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
475
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
New Text Document mod.exe
Verdict:
Malicious activity
Analysis date:
2024-09-26 19:37:34 UTC
Tags:
loader vidar stealer stealc dyndns whitesnake evasion exfiltration rat asyncrat remote quasar hausbomber dcrat opendir screenconnect redline metastealer snake keylogger telegram smtp stegocampaign github pastebin lumma formbook ims-api generic guloader lefthook gcleaner xworm smokeloader privateloader uac ammyy
Link:
https://app.any.run/tasks/9751e62a-f23b-4e90-9a3e-a7cc5939a77f

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=66f5ca294b14762f62122439
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/66f5ca27b0f518b6a9fc774b/reports/fc5e130a-7a96-48af-a8fe-e51b6a1c84e9/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5
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/42ba4093-8d67-4cb7-8075-edb18418a941
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1519747
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 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 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 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: 1519747 Sample: file.exe Startdate: 26/09/2024 Architecture: WINDOWS Score: 100 55 vozmeatillu.shop 2->55 57 stogeneratmns.shop 2->57 59 10 other IPs or domains 2->59 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 14 other signatures 2->81 9 file.exe 2 2->9         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\file.exe.log, CSV 9->45 dropped 93 Contains functionality to inject code into remote processes 9->93 95 Writes to foreign memory regions 9->95 97 Allocates memory in foreign processes 9->97 99 Injects a PE file into a foreign processes 9->99 13 RegAsm.exe 1 131 9->13         started        18 RegAsm.exe 9->18         started        20 conhost.exe 9->20         started        signatures6 process7 dnsIp8 61 cowod.hopto.org 45.132.206.251, 49777, 80 LIFELINK-ASRU Russian Federation 13->61 63 5.75.211.162, 443, 49740, 49741 HETZNER-ASDE Germany 13->63 65 2 other IPs or domains 13->65 47 C:\Users\user\AppData\Local\...\vdshfd[1].exe, PE32 13->47 dropped 49 C:\Users\user\AppData\...\ljhgfsd[1].exe, PE32 13->49 dropped 51 C:\ProgramData\softokn3.dll, PE32 13->51 dropped 53 7 other files (5 malicious) 13->53 dropped 101 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->101 103 Found many strings related to Crypto-Wallets (likely being stolen) 13->103 105 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->105 109 4 other signatures 13->109 22 CBFBKFIDHI.exe 2 13->22         started        25 KJEHJKJEBG.exe 2 13->25         started        27 cmd.exe 1 13->27         started        107 Searches for specific processes (likely to inject) 18->107 file9 signatures10 process11 signatures12 83 Multi AV Scanner detection for dropped file 22->83 85 Writes to foreign memory regions 22->85 87 Allocates memory in foreign processes 22->87 89 LummaC encrypted strings found 22->89 29 RegAsm.exe 22->29         started        32 conhost.exe 22->32         started        91 Injects a PE file into a foreign processes 25->91 34 RegAsm.exe 130 25->34         started        37 conhost.exe 25->37         started        39 RegAsm.exe 25->39         started        41 conhost.exe 27->41         started        43 timeout.exe 27->43         started        process13 dnsIp14 67 ballotnwu.site 104.21.2.13, 443, 49780 CLOUDFLARENETUS United States 29->67 69 gutterydhowi.shop 104.21.4.136, 443, 49767 CLOUDFLARENETUS United States 29->69 71 5 other IPs or domains 29->71 73 Tries to harvest and steal browser information (history, passwords, etc) 34->73 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-26 17:56:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hkbmwaetr7556cojdq4red2xavg7ovzzkbybz2f6q2xmanblyg2q._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
lummastealer
Create hunting rule
Similar samples:
3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5
Vidar
8df76c9722b5a44e7e5c42de48f4073ef42eaa814903207abdb9aa72f0ed4616
Vidar
941e7002f11290e3ed9dd99d8cc0abc62f6cf69b923ae30b89741579854a8a70
Vidar
e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811
Vidar
f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d
Vidar
+ 107 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:4b74261d834413e886f920a1e9dc5b33 credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240926-zqe8xaxcrl/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
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
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
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0b00caa9-2150-40b6-8129-016dae3e480d
Unpacked files
SH256 hash:
292c9aae24ac0b53d8963a96b22fc27cbab2a01f0bca4141a12a7d8e62b226a7
MD5 hash:
ca0d154ba34045a50ef6ddf2ae1782a1
SHA1 hash:
5dfbc1d925d2b02ac73e443d7c74af9429cd2e12
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/46f37bb1-eab5-4e4a-93fc-c42188612371/
Parent samples :
3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5
5c0e7c82e65dfbf8b4416abe9734d66b52acfd695a0686107454f12698f329db
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/46f37bb1-eab5-4e4a-93fc-c42188612371/
SH256 hash:
3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5
MD5 hash:
1992187cfdd036a0eecb8f5ca9340cc0
SHA1 hash:
0aac664d9c06f47a970f88389401a14705337121
Link:
https://www.unpac.me/results/46f37bb1-eab5-4e4a-93fc-c42188612371/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a82cb00938f/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/3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5

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 3a82cb00938ffbdf09c91c39120f57054df7573950701ce8be86aec0342bc1b5

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3193066/

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