MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b309fc0c20c6b0a61e561ab073485dc7163d9380fda0691f23d5da9f8fdcf683. 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
RemusStealer
Vendor detections: 11
| SHA256 hash: | b309fc0c20c6b0a61e561ab073485dc7163d9380fda0691f23d5da9f8fdcf683 |
|---|---|
| SHA3-384 hash: | 0bfc44cef2dfd72327b2e10d4a089de3c31d6fe175b8e696cc9883d6d79a73a20b7cd81ce0a36f04329e2a39cc9c5054 |
| SHA1 hash: | 3e5f85d243680423e0d5287c25f8c2cbeaed44fe |
| MD5 hash: | 3789f91f8c00ff93eb935aa0ae1c4a0d |
| humanhash: | robert-fifteen-beer-muppet |
| File name: | mpclient.dll |
| Download: | download sample |
| Signature | RemusStealer |
| File size: | 2'216'752 bytes |
| First seen: | 2026-05-08 11:05:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d8b31f8c03e0c76ff245ed05a15ffe6c (90 x Vidar, 13 x RemusStealer, 4 x Stealc) |
| ssdeep | 24576:Wu7i8/Foe+pJzY7/FZid46S618gBiOD9glDvCqm9LFheletn92nOmFusb:WuGKolJzY7d8N8gBiOD9glD6zEmsb |
| Threatray | 12 similar samples on MalwareBazaar |
| TLSH | T157A56C077D9148BEC09A73325CF622A1773DB848073663D32F616A7A3E76BD0597A309 |
| TrID | 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 18.0% (.EXE) Win64 Executable (generic) (6522/11/2) 13.9% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.6% (.ICL) Windows Icons Library (generic) (2059/9) 5.6% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  burger |
| Tags: | exe RemusStealer signed |
Code Signing Certificate
| Organisation: | step.com |
|---|---|
| Issuer: | WR3 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-05-01T21:20:00Z |
| Valid to: | 2026-07-30T22:13:54Z |
| Serial number: | 430dd4642910811212aedde5fcd452a5 |
| Intelligence: | 5 malware samples on MalwareBazaar are signed with this code signing certificate |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | d470bb69adcc74cffe5ffbada0cd2f793cf2814d283fcfc73b912f6f129854ca |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
118
Origin country :
DEVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
mpclient.dll
Verdict:
No threats detected
Analysis date:
2026-05-08 11:05:24 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Gathering data
Result
Verdict:
Clean
Maliciousness:
Behaviour
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm crypt golang masquerade mingw overlay packed signed unsafe
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-05-07T17:00:00Z UTC
Last seen:
2026-05-08T09:37:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win64.Convagent.pefng Backdoor.Win64.Gsb.sb Backdoor.Win64.Gsb.gen
Verdict:
Suspicious
Result
Threat name:
REMUS Stealer
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Connects to many ports of the same IP (likely port scanning)
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal from password manager
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Yara detected REMUS Stealer
Behaviour
Behavior Graph:
Score:
79%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Backdoor.Win64.Gsb
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
broadswordrat
Similar samples:
+ 2 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Browser Information Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Badlisted process makes network request
Unpacked files
SH256 hash:
b309fc0c20c6b0a61e561ab073485dc7163d9380fda0691f23d5da9f8fdcf683
MD5 hash:
3789f91f8c00ff93eb935aa0ae1c4a0d
SHA1 hash:
3e5f85d243680423e0d5287c25f8c2cbeaed44fe
Malware family:
RemusStealer
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | ProgramLanguage_Golang |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Golang programming language |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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