MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b716fa3dbbfd5873cd5d2cd1a2f26310ed10963781cc47e2aa0b062dc85275ef. 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: 12
| SHA256 hash: | b716fa3dbbfd5873cd5d2cd1a2f26310ed10963781cc47e2aa0b062dc85275ef |
|---|---|
| SHA3-384 hash: | 6e7f01eb1c0193b2f48202bee4021196eeb1e04493bab64d369c9ef511678d1e9c0114c12717a3d5fd4f5db492ec345e |
| SHA1 hash: | 640939169d125ae79dedb39760f6bdf414df20a5 |
| MD5 hash: | 683db80abee4449c33fb48f1f6366309 |
| humanhash: | asparagus-foxtrot-purple-mike |
| File name: | CrimsonLoader.exe |
| Download: | download sample |
| Signature | MaskGramStealer |
| File size: | 8'503'888 bytes |
| First seen: | 2025-11-13 17:05:17 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ea281082cd6342019a4640d5d7089aef (4 x MaskGramStealer) |
| ssdeep | 196608:Q2dCYRBHWDgk9LWw78/WZnpqkVMJdQP6z/dVS1VBFH12bxJz:xtbW/y+8gEvH2AL |
| TLSH | T1F486238269D962E8C0C78B34A487518E70D07DFA85BE990E39C57C0327B1FAD194E7B7 |
| 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 |  burger |
| Tags: | exe MaskGramStealer SvitStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
92
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CrimsonLoader.exe
Verdict:
Malicious activity
Analysis date:
2025-11-13 17:01:24 UTC
Tags:
stealer svitstealer
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:
ransomware crypt virus
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Сreating synchronization primitives
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-13T14:26:00Z UTC
Last seen:
2025-11-14T00:52:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Vidar.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Bobik.dpdk Trojan-Spy.Stealer.TCP.C&C Trojan-PSW.Win32.Stealer.sb
Verdict:
Suspicious
Result
Threat name:
MaskGram Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
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
Malicious sample detected (through community Yara rule)
PE file contains section with special chars
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 MaskGram Stealer
Behaviour
Behavior Graph:
Score:
87%
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:
AuxiliaryAnalysis.Malware.Generic
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-11-13 17:04:58 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
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:
Suspicious_POST_body
YARA:
n/a
Unpacked files
SH256 hash:
b716fa3dbbfd5873cd5d2cd1a2f26310ed10963781cc47e2aa0b062dc85275ef
MD5 hash:
683db80abee4449c33fb48f1f6366309
SHA1 hash:
640939169d125ae79dedb39760f6bdf414df20a5
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.09
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: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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