MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fb64b596a9704845502f7eea9714c25b5658c6c2d77084a7f6a8d20d5db72c12. 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: 17
| SHA256 hash: | fb64b596a9704845502f7eea9714c25b5658c6c2d77084a7f6a8d20d5db72c12 |
|---|---|
| SHA3-384 hash: | 200b7db3b3b24892bd31c543c8407a92048200e69d26897cb071a57714c3bea301b12df17006f7ab5e6d8faf42399968 |
| SHA1 hash: | 71891b43eb4e46b35d3ff8a6cadb47501b480a17 |
| MD5 hash: | 17d5f1f2d71e37b40fe941101b2cefe9 |
| humanhash: | item-washington-missouri-golf |
| File name: | dddb035eff9cef383de6adc5b3f3bc69 |
| Download: | download sample |
| Signature | Vidar |
| File size: | 1'353'216 bytes |
| First seen: | 2025-12-15 10:33:46 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 51220a89f4ad4e89280e2af926c3793c (7 x Vidar) |
| ssdeep | 24576:7P91Doyv6Vzku2zQMGk0RAQMJiqMx3kmP40+6XjPF1IadcelPTJ3jvrNhp2Uok:sxxyQM10ud2LA01X51dcelLJ3/p5ok |
| Threatray | 290 similar samples on MalwareBazaar |
| TLSH | T13A5506796550D259FE3880B940F6965EB130723286712BFB0160E263EE1B5F1DFC62EE |
| 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 |
abuse_ch
UPX decompressed file, sourced from SHA256 13b81dda189f2bc156aebe7660ebe394a1c76fc8f0698eae90e4042d5a72b6f6UPX unpacked
This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.
| File size (compressed) : | 588'288 bytes |
|---|---|
| File size (de-compressed) : | 1'353'216 bytes |
| Format: | win64/pe |
| Packed file: | 13b81dda189f2bc156aebe7660ebe394a1c76fc8f0698eae90e4042d5a72b6f6 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
101
Origin country :
NLVendor Threat Intelligence
Malware configuration found for:
Vidar
Details
Malware family:
vidar
ID:
1
File name:
_fb64b596a9704845502f7eea9714c25b5658c6c2d77084a7f6a8d20d5db72c12.exe
Verdict:
Malicious activity
Analysis date:
2025-12-15 11:22:29 UTC
Tags:
xor-url generic stealer stealc vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
phishing emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-10T13:34:00Z UTC
Last seen:
2025-12-11T08:43:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.Win32.Vidar.evi
Verdict:
Unknown
Result
Threat name:
Vidar
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
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
Found API chain indicative of debugger detection
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.STEALC
Threat name:
Win64.Trojan.VidarStealer
Status:
Malicious
First seen:
2025-12-12 04:20:48 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
27 of 36 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
vidar
Similar samples:
+ 280 additional samples on MalwareBazaar
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
Enumerates physical storage devices
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fb64b596a9704845502f7eea9714c25b5658c6c2d77084a7f6a8d20d5db72c12
MD5 hash:
17d5f1f2d71e37b40fe941101b2cefe9
SHA1 hash:
71891b43eb4e46b35d3ff8a6cadb47501b480a17
Detections:
SUSP_XORed_URL_In_EXE
SUSP_XORed_Mozilla
Malware family:
Vidar
Verdict:
Malicious
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.
Malspam
Delivery method
Distributed via web download
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