MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6a8a3c40f1dc1ceb671671b69b725c7ef9cd68312e141b32577bfb30abf21142. 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: 17
| SHA256 hash: | 6a8a3c40f1dc1ceb671671b69b725c7ef9cd68312e141b32577bfb30abf21142 |
|---|---|
| SHA3-384 hash: | 1b80b2521c3fb8b7abd575ba6bc92e4633a7ea761f1c5812fe6fc3f470405500388203d84de4be2e855f4bf11c6b4505 |
| SHA1 hash: | da2c902cb3222bb315d24bc8405cfc17fcba7357 |
| MD5 hash: | 6b16544200f712036844281d6be4615e |
| humanhash: | fish-louisiana-low-victor |
| File name: | xcxtV93.exe |
| Download: | download sample |
| Signature | MaskGramStealer |
| File size: | 2'416'640 bytes |
| First seen: | 2026-01-09 17:17:02 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d42595b695fc008ef2c56aabd8efd68e (132 x Vidar, 92 x Rhadamanthys, 54 x Stealc) |
| ssdeep | 24576:BR2aNcgrCaoC85hEV77rYMPrT37WdVwIEM4M3QGGmcoeleTNj4HGu2+oc3rtSf/:BR2MDrCC8HEVn84P8VSMZUmP3 |
| Threatray | 2'257 similar samples on MalwareBazaar |
| TLSH | T16BB56B0BBCA14DFAC0A9A2318876918ABB61BC451F3123D73E90B7B82F72BD05D75754 |
| 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 MaskGramStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
89
Origin country :
SEVendor Threat Intelligence
No detections
Malware family:
amadey
ID:
1
File name:
2to1ep.exe
Verdict:
Malicious activity
Analysis date:
2026-01-09 13:45:15 UTC
Tags:
auto metasploit framework python stealer stealc powershell barys github possible-phishing clickfix amadey botnet phishing miner salatstealer anti-evasion loader asyncrat rat havoc tool generic xenorat svc koistealer tinynuke guloader koiloader njrat meterpreter powershellempire cobaltstrike wannacry ransomware bruteratel coinminer cryptowall formbook azorult xworm pushware adware gh0st stealerium ghostsocks proxyware pyinstaller redline xred rhadamanthys whitesnakestealer remcos screenconnect rmm-tool rdp bladabindi purelogs neshta worm vidar donutloader clipper diamotrix remote gh0stcringe dcrat offloader lumma muckstealer quasar telegram deerstealer anydesk putty xmrig evasion whitesnake purecrypter hijackloader mimikatz pythonstealer websocket pastebin irc backdoor braodo eicar-test bdaejec schoolboy advancedinstaller meshagent credentialflusher netsupport arch-scr java blankgrabber autohotkey pchunter jeefo
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
97.4%
Tags:
bitcoin crypt
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Behavior that indicates a threat
Query of malicious DNS domain
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm base64 crypto golang
Verdict:
Malicious
Labled as:
WinGo/ShellcodeRunner.UG trojan
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-01-09T01:41:00Z UTC
Last seen:
2026-01-11T05:42:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.DonutInjector.sb Trojan.Win64.Donut.sb Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sb PDM:Trojan.Win32.Generic Trojan.Win32.Shellcode.kte
Verdict:
Malicious
Result
Threat name:
DonutLoader, MaskGram Stealer
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Allocates memory in foreign processes
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)
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Leaks process information
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
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)
Writes to foreign memory regions
Yara detected DonutLoader
Yara detected MaskGram Stealer
Behaviour
Behavior Graph:
Score:
99%
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.DONUTLOADER
Threat name:
Win64.Trojan.ShellcodeRunner
Status:
Malicious
First seen:
2026-01-09 04:24:49 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
donutloader
Similar samples:
+ 2'247 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
System Time Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads WinSCP keys stored 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:
6a8a3c40f1dc1ceb671671b69b725c7ef9cd68312e141b32577bfb30abf21142
MD5 hash:
6b16544200f712036844281d6be4615e
SHA1 hash:
da2c902cb3222bb315d24bc8405cfc17fcba7357
Malware family:
DonutLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
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: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerException__ConsoleCtrl |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| 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: | identity_golang |
|---|---|
| Author: | Eric Yocam |
| Description: | find Golang malware |
| Rule name: | ProgramLanguage_Golang |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Golang programming language |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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