MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4. 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


MaskGramStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 39 File information Comments
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SHA256 hash: 2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4
SHA3-384 hash: 3ffd67b82460cbd114a89d5aeed9e1cad9267fce679c865600937dfe581a2fb778adff172ec9b04653b85694452de7c0
SHA1 hash: 6d6830c72f0b06c248b0c40b0b05137564bcfc99
MD5 hash: 5e6990985a941f4c314a18beb201cd03
humanhash: nineteen-november-west-high
File name:Hydra Installer 7.5.1.exe
Download: download sample
Signature MaskGramStealer
Create hunting rule
File size:40'960'254 bytes
First seen:2026-01-22 20:37:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4d0fb8dc9ee470058274f448bebbb85f (4 x NodeLoader, 3 x Rhadamanthys, 3 x DogeStealer)
ssdeep 393216:s1Du8BtuBw2FEL3Z3aLUoQvo6LP/SgbSpYvKEh1EdKwlGQKPJuGsiTfREsrgCYff:sMguj8Q4VfvLqFTrYU
TLSH T1B3978C0773E60195E5B3E2388AA74503D773B4635731CBDF329D06552FABAE09A3A720
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter burger
Tags:exe MaskGramStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
NL NL
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/3d0d0998-7bf8-40ae-a0c2-0558638cbe26/
Malware family:
n/a
ID:
1
File name:
HydraInstaller7.5.1.exe
Verdict:
Malicious activity
Analysis date:
2026-01-22 20:37:15 UTC
Tags:
nodejs
Link:
https://app.any.run/tasks/4b8d74a8-0f69-43e6-9934-33004dcd7815

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69726df6bcad3327ec07bd9c
Tags:
trojan virus sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm crypto expand fingerprint lolbin microsoft_visual_cc overlay overlay packed pkg
Link:
https://www.filescan.io/uploads/69728a98ddd99d620f25efd3/reports/5540460c-d927-4ded-a0b3-f4f73e4e6eec/overview
Verdict:
Malicious
Labled as:
Trojan_Win32_Wacatac_B_ml
Link:
https://www.hybrid-analysis.com/sample/2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-01-18T10:39:00Z UTC
Last seen:
2026-01-24T02:21:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Agent.HTTP.C&C Trojan.Snojan.HTTP.C&C Trojan.Win32.Snojan.dbdk
Link:
https://opentip.kaspersky.com/2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4/results?tab=lookup
Result
Threat name:
MaskGram Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1856033
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Leaks process information
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Potential Persistence Via Logon Scripts - CommandLine
Suricata IDS alerts for network traffic
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)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected MaskGram Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856033 Sample: Hydra Installer 7.5.1.exe Startdate: 22/01/2026 Architecture: WINDOWS Score: 100 65 mosslotus2020.shop 2->65 67 t.me 2->67 81 Suricata IDS alerts for network traffic 2->81 83 Antivirus detection for URL or domain 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 6 other signatures 2->87 10 Hydra Installer 7.5.1.exe 4 2->10         started        signatures3 process4 dnsIp5 73 83.217.208.72, 49690, 49691, 6062 INF-NET-ASRU Russian Federation 10->73 59 C:\Users\user\AppData\...\powershell_core.exe, PE32+ 10->59 dropped 14 powershell_core.exe 1 10->14         started        19 cmd.exe 1 10->19         started        21 powershell.exe 22 10->21         started        file6 process7 dnsIp8 75 144.31.84.211, 49692, 8000 UAMS-ASNUS United States 14->75 61 C:\Users\user\...\upd_1769114440420.exe, PE32+ 14->61 dropped 77 Multi AV Scanner detection for dropped file 14->77 79 Unusual module load detection (module proxying) 14->79 23 upd_1769114440420.exe 14->23         started        27 powershell.exe 22 14->27         started        29 reg.exe 1 1 19->29         started        31 conhost.exe 19->31         started        63 C:\Users\user\AppData\...\sztrt44q.cmdline, Unicode 21->63 dropped 33 csc.exe 3 21->33         started        36 conhost.exe 21->36         started        file9 signatures10 process11 dnsIp12 69 mosslotus2020.shop 104.21.30.123 CLOUDFLARENETUS United States 23->69 71 t.me 149.154.167.99 TELEGRAMRU United Kingdom 23->71 89 Multi AV Scanner detection for dropped file 23->89 91 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->91 93 Tries to harvest and steal ftp login credentials 23->93 97 8 other signatures 23->97 38 chrome.exe 23->38         started        40 msedge.exe 23->40         started        42 csc.exe 3 27->42         started        45 conhost.exe 27->45         started        95 Creates an undocumented autostart registry key 29->95 55 C:\Users\user\AppData\Local\...\sztrt44q.dll, PE32 33->55 dropped 47 cvtres.exe 1 33->47         started        file13 signatures14 process15 file16 49 chrome.exe 38->49         started        51 msedge.exe 40->51         started        57 C:\Users\user\AppData\Local\...\kaidjgah.dll, PE32 42->57 dropped 53 cvtres.exe 1 42->53         started        process17
Score:
82%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4
Gathering data
Verdict:
Malicious
Threat:
Trojan.Win32.Snojan
Link:
https://tip.neiki.dev/file/2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4
Threat name:
Win64.Malware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-18 15:24:27 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
7 of 24 (29.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnyxgfv3dmytfy75f5cgrl4rxr3b5dyixa4x7y5vx7upvlcoopka._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/260122-zegmlafs3g/
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
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Registers new Windows logon scripts automatically executed at logon.
Downloads MZ/PE file
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/2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4

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:ach_202409_html_FedEx_phish
Create hunting rule
Author:abuse.ch
Description:Detects potential HTML FedEx phishing forms
Rule name:APT_Bitter_ZxxZ_Downloader
Create hunting rule
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:attack_India
Create hunting rule
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:EXE_Unknown_Byakugan_April2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HUN_APT29_EnvyScout_Jul_2023_1
Create hunting rule
Author:Arkbird_SOLG
Description:Hunting rule for detect possible Envyscout malware used by the APT29 group by patterns already used in the past
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:mht_inside_word
Create hunting rule
Author:dPhish
Description:Detect embedded mht files inside microsfot word.
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:skip20_sqllang_hook
Create hunting rule
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
Rule name:Suspicious_Process
Create hunting rule
Author:Security Research Team
Description:Suspicious process creation
Rule name:Sus_All_Windows_PE_Malware
Create hunting rule
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:WinosStager
Create hunting rule
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign
Rule name:without_attachments
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information

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

MaskGramStealer

Executable exe 2b717316bb1b3132e3fd2f4468af91bc761e8f08b8397fe3b5bfe8faac4e73d4

(this sample)

MaskGramStealer

Executable exe 48363812cd10833ff71c8d735e4f7edc6187a6bb66ad7878e32ae9d28a07d37f

  
Dropping
SHA256 48363812cd10833ff71c8d735e4f7edc6187a6bb66ad7878e32ae9d28a07d37f
  
Dropping
MD5 a6cce30ce59440df45233b9e2375ca9b

Comments