MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdb4e49b8d41635810c90718308961ab0b998843bb791df8d7105b63231aa39a. 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 9 File information Comments

SHA256 hash: bdb4e49b8d41635810c90718308961ab0b998843bb791df8d7105b63231aa39a
SHA3-384 hash: 7625056b7d860c2ca2acd3dd3ce545bc03ddda4a234dea933f9296972a0b724251f84513ce1d10a565352da38165b25a
SHA1 hash: 32a18cdb13c50731f48f610615950b770d91a3a2
MD5 hash: 54d654ffb09e53ac30206bdc575a2dc4
humanhash: maine-quebec-low-zulu
File name:random.exe
Download: download sample
Signature Vidar
File size:1'344'000 bytes
First seen:2025-12-08 15:26:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a40658832e597eab10a2b68099d8706b (5 x Vidar)
ssdeep 24576:ygT3C6mMxJEhDLKl8JoLP9K0sQxpx9Z0Fo/tQIb1Ddo2QIdz:yV6kKuJmrqEHbhdz
TLSH T12E5506796451D25AFE3980B950F2875EB120713286722BFB0160D263EF1B5B1DFC62EE
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe upx-dec vidar


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 5f793bc522be62e947ca552b5597b4a8dc8846aa09d7aa44e82a53de3d8232ad
File size (compressed) :580'096 bytes
File size (de-compressed) :1'344'000 bytes
Format:win64/pe
Packed file: 5f793bc522be62e947ca552b5597b4a8dc8846aa09d7aa44e82a53de3d8232ad

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-12-09 00:06:53 UTC
Tags:
sfuzuan stealer stealc vidar xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dridex emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 crypto fingerprint hacktool
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-07T10:59:00Z UTC
Last seen:
2025-12-09T00:28:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Found API chain indicative of debugger detection
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sets debug register (to hijack the execution of another thread)
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1828901 Sample: random.exe Startdate: 08/12/2025 Architecture: WINDOWS Score: 100 53 Suricata IDS alerts for network traffic 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 3 other signatures 2->59 7 random.exe 16 2->7         started        process3 dnsIp4 49 192.177.26.164, 443, 49691, 49692 EGIHOSTINGUS United States 7->49 61 Found API chain indicative of debugger detection 7->61 63 Contains functionality to inject threads in other processes 7->63 65 Tries to harvest and steal browser information (history, passwords, etc) 7->65 67 8 other signatures 7->67 11 chrome.exe 1 7->11         started        14 chrome.exe 1 7->14         started        16 chrome.exe 7->16         started        18 4 other processes 7->18 signatures5 process6 dnsIp7 51 192.168.2.5, 138, 443, 49675 unknown unknown 11->51 20 chrome.exe 11->20         started        23 chrome.exe 11->23         started        25 chrome.exe 14->25         started        27 chrome.exe 16->27         started        29 chrome.exe 18->29         started        31 chrome.exe 18->31         started        33 chrome.exe 18->33         started        process8 dnsIp9 37 5 other IPs or domains 20->37 39 2 other IPs or domains 25->39 41 5 other IPs or domains 27->41 43 3 other IPs or domains 29->43 35 142.250.105.138, 443, 49773, 49774 GOOGLEUS United States 31->35 45 2 other IPs or domains 31->45 47 3 other IPs or domains 33->47
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Vidar
Status:
Malicious
First seen:
2025-12-07 15:52:40 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Drops file in Windows directory
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
bdb4e49b8d41635810c90718308961ab0b998843bb791df8d7105b63231aa39a
MD5 hash:
54d654ffb09e53ac30206bdc575a2dc4
SHA1 hash:
32a18cdb13c50731f48f610615950b770d91a3a2
Detections:
SUSP_XORed_URL_In_EXE SUSP_XORed_Mozilla
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:Check_Debugger
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Vidar

Executable exe bdb4e49b8d41635810c90718308961ab0b998843bb791df8d7105b63231aa39a

(this sample)

Comments