MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 437dfe21d76e65add52dde296ffb12d8d3f2e006f7aa78797f708d157891d513. 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
Threat unknown
Vendor detections: 13
| SHA256 hash: | 437dfe21d76e65add52dde296ffb12d8d3f2e006f7aa78797f708d157891d513 |
|---|---|
| SHA3-384 hash: | 90117c9d15acdd55651a95bca1f33b0f328a8b00cb5432aeefd3e6b19e5b40f49c498919a8193b43f6a164dbc01756d1 |
| SHA1 hash: | aa667e8895dcdad772bd4fb7778e8a25ea373092 |
| MD5 hash: | c7c95a2ef183f2fe6209c0472dce41d6 |
| humanhash: | mockingbird-fruit-nine-red |
| File name: | file |
| Download: | download sample |
| File size: | 3'037'032 bytes |
| First seen: | 2026-06-25 11:28:03 UTC |
| Last seen: | 2026-06-25 21:34:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d42595b695fc008ef2c56aabd8efd68e (497 x Vidar, 97 x Stealc, 92 x Rhadamanthys) |
| ssdeep | 24576:2iuT6lTK66WGvNEjK3bmpHYS+ZcGou1tk+wXnHK9Jti+s6Qwr8VOMebftxzBelen:2iuWlTr6dEO3bO4S+pjkIQymkbl4G |
| Threatray | 2'591 similar samples on MalwareBazaar |
| TLSH | T152E58C077C904CEAC0AE6372497695A17B31B8480F3267DB2E44BB793E367D19D3AB50 |
| 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 |  Bitsight |
| Tags: | b dropped-by-gcleaner exe PMIX0.file signed |
Code Signing Certificate
| Organisation: | pokerstars.com |
|---|---|
| Issuer: | pokerstars.com |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-06-25T09:59:51Z |
| Valid to: | 2027-06-25T09:59:51Z |
| Serial number: | 04562ec6e6238789 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 0161c86f1090811f529924567875e13edcf707fc85bfe6b62431f982057ec4d2 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
14
# of downloads :
180
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
vidar
ID:
1
File name:
_437dfe21d76e65add52dde296ffb12d8d3f2e006f7aa78797f708d157891d513.exe
Verdict:
Malicious activity
Analysis date:
2026-06-25 11:28:37 UTC
Tags:
stealer stealc vidar golang loader auto-reg xmrig miner susp-powershell hijackloader themida amsi-bypass
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:
vmdetect lien
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Behavior that indicates a threat
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm crypto golang hacktool packed signed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Verdict:
Malicious
File Type:
PE
First seen:
2026-06-25T07:52:00Z UTC
Last seen:
2026-06-25T07:52:00Z UTC
Hits:
~10
Detections:
Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen
Verdict:
Unknown
Score:
98%
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
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
vidar
Similar samples:
+ 2'581 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
credential_access defense_evasion discovery evasion execution persistence spyware stealer themida trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Modifies Security services
Power Settings
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Creates new service(s)
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Stops running service(s)
Themida packer
Unsecured Credentials: Credentials In Files
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Drops file in Drivers directory
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Modifies Windows Defender DisableAntiSpyware settings
Modifies Windows Defender Real-time Protection settings
Modifies Windows Defender notification settings
Modifies security service
Suspicious use of NtCreateProcessExOtherParentProcess
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
437dfe21d76e65add52dde296ffb12d8d3f2e006f7aa78797f708d157891d513
MD5 hash:
c7c95a2ef183f2fe6209c0472dce41d6
SHA1 hash:
aa667e8895dcdad772bd4fb7778e8a25ea373092
Malware family:
SnappyClient
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
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 |
|---|---|
| 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 |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerException__SetConsoleCtrl |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectGoMethodSignatures |
|---|---|
| Author: | Wyatt Tauber |
| Description: | Detects Go method signatures in unpacked Go binaries |
| Rule name: | Detect_Go_GOMAXPROCS |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata |
| Rule name: | GoBinTest |
|---|
| Rule name: | golang |
|---|
| Rule name: | Golangmalware |
|---|---|
| Author: | Dhanunjaya |
| Description: | Malware in Golang |
| Rule name: | golang_binary_string |
|---|---|
| Description: | Golang strings present |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | golang_duffcopy_amd64 |
|---|
| Rule name: | Golang_Find_CSC846 |
|---|---|
| Author: | Ashar Siddiqui |
| Description: | Find Go Signatuers |
| Rule name: | Golang_Find_CSC846_Simple |
|---|---|
| Author: | Ashar Siddiqui |
| Description: | Find Go Signatuers |
| Rule name: | HiveRansomware |
|---|---|
| Author: | Dhanunjaya |
| Description: | Yara Rule To Detect Hive V4 Ransomware |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | ProgramLanguage_Golang |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Golang programming language |
| Rule name: | RemusStealer_GoPayload |
|---|---|
| Author: | burger |
| Description: | Detects RemusStealer Go-compiled payload |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Suspicious_Golang_Binary |
|---|---|
| Author: | Tim Machac |
| Description: | Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific) |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| 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.
Web download
exe 437dfe21d76e65add52dde296ffb12d8d3f2e006f7aa78797f708d157891d513
(this sample)
Dropped by
Gcleaner
Delivery method
Distributed via web download
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