MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a223410536fd8cb0ef4412853a5c3410a5a5a413daf42d0add1c37a2a7e32189. 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


Intelligence 17 IOCs YARA 10 File information Comments

SHA256 hash: a223410536fd8cb0ef4412853a5c3410a5a5a413daf42d0add1c37a2a7e32189
SHA3-384 hash: 4f45b8d3593a9395ee7b84d1e8d83b8b027f278ff661a512e21093932c151e42045c105067cb5cadba2fff3f50a58dab
SHA1 hash: 3727c41dd0c37ddc6dcd81b1502749e873424861
MD5 hash: 055c20fe5638b3579d8708e4b35f1fd9
humanhash: delta-low-sad-red
File name:file
Download: download sample
Signature Vidar
File size:462'848 bytes
First seen:2025-12-19 05:03:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc3120d7b4090566a887530f3c294893 (7 x Vidar)
ssdeep 6144:NgKZP9bhEeCdIR3VgJ/IAPkC1Iy2PJWA/clw+Tz3YlbTl7GW7Fqrsvg+sXaByspr:eKZPBhxVLCV2RcG+/CZ7VZBx+y
TLSH T147A43BBE9C60E375F608C0BAD285D3635E2178010636BBA71DE9E7201545973EB1A3FE
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 0bb0ef009a9d62cbf9ab2e8913e1abf219bac89fa6ddfa34cb281e70d6bdfc8e
File size (compressed) :184'832 bytes
File size (de-compressed) :462'848 bytes
Format:win64/pe
Packed file: 0bb0ef009a9d62cbf9ab2e8913e1abf219bac89fa6ddfa34cb281e70d6bdfc8e

Intelligence


File Origin
# of uploads :
1
# of downloads :
186
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
_a223410536fd8cb0ef4412853a5c3410a5a5a413daf42d0add1c37a2a7e32189.exe
Verdict:
Malicious activity
Analysis date:
2025-12-19 05:05:27 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
Verdict:
Malicious
Score:
93.3%
Tags:
ransomware dropper emotet remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 crypto fingerprint hacktool obfuscated unsafe vidar
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-19T02:09:00Z UTC
Last seen:
2025-12-19T18:07:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.Win64.Coins.cwu
Result
Threat name:
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
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect virtualization through RDTSC time measurements
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Spyware.Vidar
Status:
Suspicious
First seen:
2025-12-19 05:04:16 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies system certificate store
Runs ping.exe
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 Network Configuration Discovery: Internet Connection Discovery
System Time Discovery
Drops file in Windows directory
Checks installed software on the system
Checks computer location settings
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:
a223410536fd8cb0ef4412853a5c3410a5a5a413daf42d0add1c37a2a7e32189
MD5 hash:
055c20fe5638b3579d8708e4b35f1fd9
SHA1 hash:
3727c41dd0c37ddc6dcd81b1502749e873424861
Detections:
win_bazarbackdoor_auto 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
Rule name:win_bazarbackdoor_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.bazarbackdoor.

File information


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

Web download

Vidar

Executable exe a223410536fd8cb0ef4412853a5c3410a5a5a413daf42d0add1c37a2a7e32189

(this sample)

Comments