MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4e102098f6ae486184b4729d28eea464d77b2fb18991d9feefac6f11e8fa0f43. 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: 19
| SHA256 hash: | 4e102098f6ae486184b4729d28eea464d77b2fb18991d9feefac6f11e8fa0f43 |
|---|---|
| SHA3-384 hash: | 4340e4437929ba9a5d88d41c1b420cc111a6f640a67e065288e7a0e136646509b73968243475fdc32fdc453540e98d30 |
| SHA1 hash: | 5221c40c9dd70295e9122d2824cc364fe60c8c12 |
| MD5 hash: | d96f93335014e18adfd10a1026662401 |
| humanhash: | nebraska-tango-august-india |
| File name: | FINAL SHIPING DOCUMENTS#.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 830'440 bytes |
| First seen: | 2025-10-20 08:47:46 UTC |
| Last seen: | 2025-11-06 10:52:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 48 x GuLoader, 28 x RemcosRAT) |
| ssdeep | 12288:BHadNN3D5OLSBPUCpDElH0DdEs7Sk34rCt4ueCKmDHxN6wztIH2pCb/5YlQfsFY0:BadN//BcEZ3SvCHxNBIjBx0 |
| Threatray | 4'328 similar samples on MalwareBazaar |
| TLSH | T1F70523435BF44033E7A71D7959BA263F6EFB652713148B0B23B1818EB836D80C95E60E |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | 04e0c6e0f0f0b290 (2 x GuLoader, 1 x AgentTesla) |
| Reporter |  lowmal3 |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Etableret |
|---|---|
| Issuer: | Etableret |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-10-13T03:53:14Z |
| Valid to: | 2026-10-13T03:53:14Z |
| Serial number: | 2bcac1272d16a402d4c93b0e4fa6c47cde7c1aad |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 950aee39cac888b2a0cf69a524bfc889d4f4c879f19a7caea0b3ebae9ece5ba9 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
169
Origin country :
DEVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
FINAL SHIPING DOCUMENTS#.exe
Verdict:
Malicious activity
Analysis date:
2025-10-20 08:48:57 UTC
Tags:
rat remcos remote stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Verdict:
Malicious
Score:
94.9%
Tags:
injection virus blic
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file
Sending a custom TCP request
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 blackhole installer microsoft_visual_cc nsis overlay signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-17T04:05:00Z UTC
Last seen:
2025-10-22T06:50:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.GuLoader.sb HEUR:Trojan.Win32.GuLoader.gen Trojan-Downloader.Win32.Minix.sb Trojan.NSIS.Makoob.sbd Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba
Malware family:
Unlabeled
Verdict:
Unknown
Result
Threat name:
Remcos, GuLoader
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2025-10-17 12:33:17 UTC
File Type:
PE (Exe)
Extracted files:
40
AV detection:
20 of 38 (52.63%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 4'318 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection discovery rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
107.175.88.106:1993
Unpacked files
SH256 hash:
4e102098f6ae486184b4729d28eea464d77b2fb18991d9feefac6f11e8fa0f43
MD5 hash:
d96f93335014e18adfd10a1026662401
SHA1 hash:
5221c40c9dd70295e9122d2824cc364fe60c8c12
SH256 hash:
131aa0df90c08dce2eecee46cce8759e9afff04bf15b7b0002c2a53ae5e92c36
MD5 hash:
549ee11198143574f4d9953198a09fe8
SHA1 hash:
2e89ba5f30e1c1c4ce517f28ec1505294bb6c4c1
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
Malware family:
Remcos
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: | 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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