MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684. 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: 13


Intelligence 13 IOCs YARA 21 File information Comments
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SHA256 hash: b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684
SHA3-384 hash: bebbb28ea7ff25af4e2a1ee3f3481eb1a330c484f820f3879a5cb015ed929daacae0bb6204c10be7468049074857ff0b
SHA1 hash: 44f387ec3a2e7026fd34e1f8a080f49a21372a25
MD5 hash: 780e7da647caea6e73fc0536dbc063c9
humanhash: avocado-echo-delaware-whiskey
File name:b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:2'552'960 bytes
First seen:2026-05-31 07:15:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (613 x Vidar, 163 x RemusStealer, 103 x Stealc)
ssdeep 49152:ZRJY1T8LVk5B6iZkzlrYOhIxo4R4rf86fJXEF:ZUcu6iKzlsOeRRV8U
TLSH T117C59E1B7CE148EAC05A633289B661A17B74BC090F3253DB2E90B37C2F726E55D75B48
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe signed vidar

Code Signing Certificate

Organisation:xxx.com
Issuer:E7
Algorithm:sha256WithRSAEncryption
Valid from:2026-05-22T09:22:28Z
Valid to:2026-08-20T09:22:27Z
Serial number: 058a17a1ba839735a8b356d22913964cbbdc
Intelligence: 19 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: f3e423204fc3811b40d8a5dfc526007c38e79148836aecb51a01308fc0cf6235
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
https://kyoske.ws/download.php
Verdict:
No threats detected
Analysis date:
2026-05-29 18:16:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f630f4af-e9df-4f0f-ac03-17b10de81ba8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68578/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.33723227.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a195c9933dfa243d40ac1d7
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto golang packed signed
Link:
https://www.filescan.io/uploads/6a1be01912da0d249c5f2f30/reports/dd6b3f48-4063-4cd8-91a6-bd743a1c3bd8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-29T05:39:00Z UTC
Last seen:
2026-05-31T16:52:00Z UTC
Hits:
~100
Detections:
Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C Trojan.Win64.Agent.sb
Link:
https://opentip.kaspersky.com/b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7f97d764-578e-408f-a959-7d494510e55f
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1920720
Signature
AI detected suspicious PE digital signature
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Creates a thread in another existing process (thread injection)
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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)
Unusual module load detection (module proxying)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1920720 Sample: wZmvsUTB6c.exe Startdate: 31/05/2026 Architecture: WINDOWS Score: 100 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Vidar stealer 2->50 52 2 other signatures 2->52 7 wZmvsUTB6c.exe 1 14 2->7         started        11 msedge.exe 6 169 2->11         started        process3 dnsIp4 42 138.199.150.1, 443, 49719, 49722 HETZNER-ASDE Germany 7->42 54 Detected unpacking (creates a PE file in dynamic memory) 7->54 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 7->56 58 Found many strings related to Crypto-Wallets (likely being stolen) 7->58 60 10 other signatures 7->60 13 msedge.exe 2 11 7->13         started        16 msedge.exe 7->16         started        18 chrome.exe 7->18         started        44 239.255.255.250 unknown ZZ 11->44 20 msedge.exe 16 11->20         started        24 msedge.exe 11->24         started        26 msedge.exe 11->26         started        signatures5 process6 dnsIp7 62 Monitors registry run keys for changes 13->62 28 msedge.exe 13->28         started        30 msedge.exe 16->30         started        32 chrome.exe 18->32         started        36 ax-0002.ax-msedge.net 150.171.28.11, 443, 49739 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 20->36 38 bx-0004.bx-msedge.net 150.171.73.13, 443, 49736, 49737 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 20->38 40 4 other IPs or domains 20->40 34 C:\Users\user\AppData\Local\...\Cookies, SQLite 20->34 dropped file8 signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684/
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-05-29 09:30:05 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w54mvjhsvcmw3r4nmqi3miimtw66fispwekjnmgzprauqtmac2ca._file
Verdict:
malicious
Label(s):
unc_go_loader_002
Create hunting rule
Similar samples:
error
Vidar
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access discovery spyware stealer
Link:
https://tria.ge/reports/260531-h3jy7abz6t/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Time Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684
MD5 hash:
780e7da647caea6e73fc0536dbc063c9
SHA1 hash:
44f387ec3a2e7026fd34e1f8a080f49a21372a25
Link:
https://www.unpac.me/results/cd45bc33-a762-464f-94f3-b072bf527f11/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b778caa4f2a8/report/overview.html
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/b778caa4f2a8996dc78d6411b6210c9dbde2a24fb11496b0d97c41484d801684

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: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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/68578/

Comments