MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f51b6bd07d0be72e48f8277fc937885a0912d56d937966f182a204427267f8f0. 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 7 File information Comments

SHA256 hash: f51b6bd07d0be72e48f8277fc937885a0912d56d937966f182a204427267f8f0
SHA3-384 hash: 27a28aefc24e9c8511e3ae7e41a757f1f9c233a634747dec628dde3a44d5f58dd07364c18307cf38bf918a8c3ef927c1
SHA1 hash: c1dde2e0b91d0aec48400eef1a00ea590f4f038a
MD5 hash: 177388c310e9cce7ca37bbab73edc032
humanhash: vegan-shade-thirteen-lithium
File name:NWpNjnx.exe
Download: download sample
Signature Vidar
File size:1'755'648 bytes
First seen:2025-03-19 12:59:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 24576:cR8g28IOx6WFJcaTp9R/njM2P/NNtMg+4ewo/LVVJIh+9feQRvS+r:cik6iJBDMONclzVVJp9feUS+r
TLSH T1A38533376C7879FCCAC480B499CE92BEFC76E852C6E0A9D509467778E6163893435C2C
TrID 42.7% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
19.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter JAMESWT_WT
Tags:176-113-115-7 exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
418
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
NWpNjnx.exe
Verdict:
Malicious activity
Analysis date:
2025-03-19 13:03:13 UTC
Tags:
telegram vidar stealer themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Suricata IDS alerts for network traffic
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 (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1643068 Sample: NWpNjnx.exe Startdate: 19/03/2025 Architecture: WINDOWS Score: 100 53 y.p.formaxprime.co.uk 2->53 55 www-msn-com.a-0003.a-msedge.net 2->55 57 31 other IPs or domains 2->57 79 Suricata IDS alerts for network traffic 2->79 81 Antivirus / Scanner detection for submitted sample 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 3 other signatures 2->85 8 NWpNjnx.exe 24 2->8         started        12 msedge.exe 5 65 2->12         started        14 msedge.exe 2->14         started        16 4 other processes 2->16 signatures3 process4 dnsIp5 59 y.p.formaxprime.co.uk 78.47.63.132, 443, 49721, 49722 HETZNER-ASDE Germany 8->59 61 t.me 149.154.167.99, 443, 49720 TELEGRAMRU United Kingdom 8->61 63 127.0.0.1 unknown unknown 8->63 87 Attempt to bypass Chrome Application-Bound Encryption 8->87 89 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->89 91 Tries to harvest and steal ftp login credentials 8->91 93 6 other signatures 8->93 18 msedge.exe 2 11 8->18         started        21 msedge.exe 8->21         started        23 msedge.exe 8->23         started        34 20 other processes 8->34 65 239.255.255.250 unknown Reserved 12->65 25 msedge.exe 12->25         started        28 msedge.exe 14->28         started        30 msedge.exe 16->30         started        32 msedge.exe 16->32         started        36 2 other processes 16->36 signatures6 process7 dnsIp8 77 Monitors registry run keys for changes 18->77 38 msedge.exe 18->38         started        40 msedge.exe 21->40         started        42 msedge.exe 23->42         started        67 c-msn-pme.trafficmanager.net 13.74.129.1, 443, 49822, 49851 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->67 69 ax-0001.ax-msedge.net 150.171.28.10, 443, 49823, 49852 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->69 71 21 other IPs or domains 25->71 44 chrome.exe 34->44         started        47 chrome.exe 34->47         started        49 chrome.exe 34->49         started        51 6 other processes 34->51 signatures9 process10 dnsIp11 73 www.google.com 142.250.186.68, 443, 49747, 49751 GOOGLEUS United States 44->73 75 142.250.185.68, 443, 49774, 49775 GOOGLEUS United States 47->75
Threat name:
Win32.Trojan.Vidar
Status:
Malicious
First seen:
2025-03-19 11:38:54 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar credential_access defense_evasion discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Identifies Wine through registry keys
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Detect Vidar Stealer
Vidar
Vidar family
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
f51b6bd07d0be72e48f8277fc937885a0912d56d937966f182a204427267f8f0
MD5 hash:
177388c310e9cce7ca37bbab73edc032
SHA1 hash:
c1dde2e0b91d0aec48400eef1a00ea590f4f038a
SH256 hash:
1c0900bbac6a05150075725cd84eea7adce9961a781e58a4fc60bb13409c10ea
MD5 hash:
9c48b04498c088f3e8930f962aa9bacb
SHA1 hash:
f3906afa7c8c9ee91d23ea93918b79e9e0b7d358
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Please note that we are no longer able to provide a coverage score for Virus Total.

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:grakate_stealer_nov_2021
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win_vidar_generic
Author:dubfib

File information


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

Web download

Vidar

Executable exe f51b6bd07d0be72e48f8277fc937885a0912d56d937966f182a204427267f8f0

(this sample)

  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

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