MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0db8af903779fe3050ab2efc976a7b5a35e1bfeafd201e87a36ea1d589cbfef1. 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: 15


Intelligence 15 IOCs YARA 34 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0db8af903779fe3050ab2efc976a7b5a35e1bfeafd201e87a36ea1d589cbfef1
SHA3-384 hash: 6b0e2b6545e3ecf61de3d5bc5286c5f27091d035b30e678a18e474712c9312eaf5cecf8e6a7b6307263a75347605b51a
SHA1 hash: 846d1c0cdcd89d39b481263b10326dd5cba628f7
MD5 hash: 39d3019de91017f85d061e248503e925
humanhash: artist-william-sierra-white
File name:Setup .exe
Download: download sample
Signature Vidar
Create hunting rule
File size:31'891'456 bytes
First seen:2024-07-24 10:35:35 UTC
Last seen:2024-07-24 11:45:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b13eece7ba58830b68073784b00e51b (1 x Vidar, 1 x LummaStealer, 1 x Stealc)
ssdeep 196608:pvSFtn726w6RKsbO3AotggXaUEyWj8Im/oA5Ad:Otn7P/e3AoBKUERYIOoA5Ad
TLSH T118673943BC5545F4C4ADD130C96A8292BB71BC698B2023D72B64F6253F7ABD09FBA344
TrID 58.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
16.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
10.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 30f0c9d0dcdcd8d2 (1 x LummaStealer, 1 x Vidar)
Reporter Anonymous
Tags:exe vidar


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
2
# of downloads :
404
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
Setup.exe
Verdict:
Malicious activity
Analysis date:
2024-07-23 07:47:21 UTC
Tags:
telegram ddr vidar stealer stealc
Link:
https://app.any.run/tasks/591f6ddd-9531-43f7-a752-155f724d544c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a0d91ea97e13ad9de7a583
Tags:
Execution Generic Infostealer Network Other Stealth Trojan Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Connecting to a non-recommended domain
Sending an HTTP POST request
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug go golang installer packed
Link:
https://www.filescan.io/uploads/66a0d9183ba51bb345a35112/reports/a6ca13dc-d166-4e87-a35e-436e31c71656/overview
Verdict:
Malicious
Labled as:
Trojan_Win32_Wacatac_B_ml
Link:
https://www.hybrid-analysis.com/sample/0db8af903779fe3050ab2efc976a7b5a35e1bfeafd201e87a36ea1d589cbfef1
Result
Verdict:
MALICIOUS
Result
Threat name:
Go Injector, MicroClip, Vidar, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1479944
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to inject code into remote processes
Detected VMProtect packer
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the hosts file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Searches for specific processes (likely to inject)
Sigma detected: Disable power options
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop EventLog
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
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 powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Go Injector
Yara detected MicroClip
Yara detected Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1479944 Sample: Setup .exe Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 111 steamcommunity.com 2->111 113 s3-w.us-east-1.amazonaws.com 2->113 115 4 other IPs or domains 2->115 123 Multi AV Scanner detection for domain / URL 2->123 125 Found malware configuration 2->125 127 Malicious sample detected (through community Yara rule) 2->127 129 18 other signatures 2->129 12 Setup .exe 2 2->12         started        15 Updater.exe 2->15         started        18 PSZC.exe 2->18         started        20 7 other processes 2->20 signatures3 process4 file5 167 Found many strings related to Crypto-Wallets (likely being stolen) 12->167 169 Writes to foreign memory regions 12->169 171 Allocates memory in foreign processes 12->171 173 Injects a PE file into a foreign processes 12->173 22 BitLockerToGo.exe 1 43 12->22         started        109 C:\Windows\Temp\doyztlahdjhp.sys, PE32+ 15->109 dropped 175 Multi AV Scanner detection for dropped file 15->175 177 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 15->177 179 Machine Learning detection for dropped file 15->179 189 6 other signatures 15->189 27 powershell.exe 15->27         started        29 cmd.exe 15->29         started        31 sc.exe 15->31         started        35 2 other processes 15->35 181 Query firmware table information (likely to detect VMs) 18->181 183 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->183 185 Hides threads from debuggers 18->185 191 2 other signatures 18->191 187 Changes security center settings (notifications, updates, antivirus, firewall) 20->187 33 MpCmdRun.exe 20->33         started        signatures6 process7 dnsIp8 117 steamcommunity.com 23.192.247.89, 443, 49704 AKAMAI-ASUS United States 22->117 119 5.75.212.60, 443, 49705, 49706 HETZNER-ASDE Germany 22->119 121 3 other IPs or domains 22->121 101 C:\Users\user\AppData\Local\...\Update[1].exe, PE32 22->101 dropped 103 C:\Users\user\AppData\...\Update2[1].exe, PE32+ 22->103 dropped 105 C:\ProgramData\softokn3.dll, PE32 22->105 dropped 107 7 other files (5 malicious) 22->107 dropped 147 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->147 149 Found many strings related to Crypto-Wallets (likely being stolen) 22->149 151 Contains functionality to inject code into remote processes 22->151 155 5 other signatures 22->155 37 AFIEGIECGC.exe 4 22->37         started        41 GCGIDGCGIE.exe 1 3 22->41         started        43 cmd.exe 22->43         started        153 Loading BitLocker PowerShell Module 27->153 45 conhost.exe 27->45         started        47 conhost.exe 29->47         started        49 wusa.exe 29->49         started        51 conhost.exe 31->51         started        53 conhost.exe 33->53         started        55 2 other processes 35->55 file9 signatures10 process11 file12 95 C:\ProgramDatabehaviorgraphoogleUpdater\PSZC.exe, PE32 37->95 dropped 131 Antivirus detection for dropped file 37->131 133 Multi AV Scanner detection for dropped file 37->133 135 Query firmware table information (likely to detect VMs) 37->135 143 4 other signatures 37->143 57 cmd.exe 1 37->57         started        97 C:\ProgramDatabehaviorgraphoogleUP\Chrome\Updater.exe, PE32+ 41->97 dropped 99 C:\Windows\System32\drivers\etc\hosts, ASCII 41->99 dropped 137 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 41->137 139 Machine Learning detection for dropped file 41->139 141 Uses powercfg.exe to modify the power settings 41->141 145 4 other signatures 41->145 59 powershell.exe 23 41->59         started        62 cmd.exe 41->62         started        64 sc.exe 41->64         started        70 12 other processes 41->70 66 conhost.exe 43->66         started        68 timeout.exe 43->68         started        signatures13 process14 signatures15 72 PSZC.exe 3 57->72         started        75 conhost.exe 57->75         started        77 timeout.exe 1 57->77         started        165 Loading BitLocker PowerShell Module 59->165 79 conhost.exe 59->79         started        81 conhost.exe 62->81         started        83 wusa.exe 62->83         started        85 conhost.exe 64->85         started        87 conhost.exe 70->87         started        89 11 other processes 70->89 process16 signatures17 157 Antivirus detection for dropped file 72->157 159 Multi AV Scanner detection for dropped file 72->159 161 Query firmware table information (likely to detect VMs) 72->161 163 6 other signatures 72->163 91 schtasks.exe 72->91         started        process18 process19 93 conhost.exe 91->93         started       
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0db8af903779fe3050ab2efc976a7b5a35e1bfeafd201e87a36ea1d589cbfef1
Gathering data
Threat name:
Win64.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-07-23 00:02:15 UTC
File Type:
PE+ (Exe)
Extracted files:
28
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bw4k7ebxph7dauflf36jo2t3li26dp7k7uqb5b5dn2q5lcol73yq._file
Verdict:
unknown
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar credential_access discovery evasion execution persistence spyware stealer themida trojan upx vmprotect
Link:
https://tria.ge/reports/240724-mm9bcs1hrr/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Power Settings
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Themida packer
UPX packed file
Unsecured Credentials: Credentials In Files
VMProtect packed file
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Downloads MZ/PE file
Drops file in Drivers directory
Stops running service(s)
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199747278259
https://t.me/armad2a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/add2497d-dee3-4a37-9ff8-3fe8890b8885
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0db8af903779fe3050ab2efc976a7b5a35e1bfeafd201e87a36ea1d589cbfef1

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:yara_template
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Vidar

Executable exe 0db8af903779fe3050ab2efc976a7b5a35e1bfeafd201e87a36ea1d589cbfef1

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetSystemDirectoryA

Comments