MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4d3082109ebebeca832d45f658758d0eb8ef3fff5c707f9de7a1420bcc4ffbc4. 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
GuLoader
Vendor detections: 14
| SHA256 hash: | 4d3082109ebebeca832d45f658758d0eb8ef3fff5c707f9de7a1420bcc4ffbc4 |
|---|---|
| SHA3-384 hash: | 11c7fd27b26fd1143cd7ed57ab0d8618abf4a8e6723929bbc7b9ec24e2d513713ab649a49a2c8d4df456e745fa6054e1 |
| SHA1 hash: | bb9f0a46b7cf56f18712c54af974554c71c21635 |
| MD5 hash: | f8b10e6b401a75924e5aeae2424cb18e |
| humanhash: | robin-princess-happy-princess |
| File name: | 4d3082109ebebeca832d45f658758d0eb8ef3fff5c707f9de7a1420bcc4ffbc4 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 415'152 bytes |
| First seen: | 2026-05-08 13:13:57 UTC |
| Last seen: | 2026-06-08 09:04:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 6144:AQ606xnSmhEWvRhKwvS0Lg94+zkqFp11Z9Y/LTbbYDVUMXYv/A:YphfDg94+gQP18/neyHA |
| Threatray | 2'647 similar samples on MalwareBazaar |
| TLSH | T1EB94E0147BA4C917FB40153496A1E77D8BB0EFBC1A1AD313ABF82C9F76747A52C25202 |
| TrID | 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win64 Executable (generic) (6522/11/2) 8.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.2% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | f8dcdccccceeecc0 (2 x RemcosRAT, 1 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Coxopodite |
|---|---|
| Issuer: | Coxopodite |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-03-16T02:58:10Z |
| Valid to: | 2027-03-16T02:58:10Z |
| Serial number: | 37eb1ace6137c0e80763659952d9ad14eede8084 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | f89dfb689fae71bc3f21f62f292d256eb4751917d9e5765a21d3d5fa8daa2509 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
167
Origin country :
HUVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
_4d3082109ebebeca832d45f658758d0eb8ef3fff5c707f9de7a1420bcc4ffbc4.exe
Verdict:
Malicious activity
Analysis date:
2026-05-08 14:07:42 UTC
Tags:
remcos rat auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Gathering data
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Creating a file in the Program Files subdirectories
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug fingerprint guloader installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-14T16:48:00Z UTC
Last seen:
2026-05-10T05:33:00Z UTC
Hits:
~10000
Detections:
Trojan.NSIS.Makoob.sba Trojan-Downloader.Win32.Minix.sb Packed.NSIS.Krynis.sb Trojan.Win32.GuLoader.sb Trojan.NSIS.Pakes.Krynis.sb Trojan-Dropper.Win32.Injector.sb Backdoor.Win32.Remcos.sb Trojan.NSIS.Makoob.sbe HEUR:Trojan-Downloader.Win32.Minix.gen HEUR:Backdoor.Win32.Remcos.gen PDM:Trojan.Win32.Generic
Verdict:
Unknown
Score:
93%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2026-04-14 22:06:20 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
21 of 36 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'637 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:guloader family:remcos botnet:remotehost discovery downloader persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks installed software on the system
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
107.175.246.25:2404
107.175.246.25:5000
107.175.246.25:5000
Unpacked files
SH256 hash:
4d3082109ebebeca832d45f658758d0eb8ef3fff5c707f9de7a1420bcc4ffbc4
MD5 hash:
f8b10e6b401a75924e5aeae2424cb18e
SHA1 hash:
bb9f0a46b7cf56f18712c54af974554c71c21635
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
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: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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