MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 62d55380d22f1a9be337f905d7f3cbe8cfce73bdc272635a4b83ce33f6b5fe48. 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: 12
| SHA256 hash: | 62d55380d22f1a9be337f905d7f3cbe8cfce73bdc272635a4b83ce33f6b5fe48 |
|---|---|
| SHA3-384 hash: | f8b8827290cbccea18d75250decb7af3748c13db066313544a11df855358e918cc08c7195007e6a00761f02d37b68084 |
| SHA1 hash: | ffae132e7744dc5e2544fb2550fb226f8ad700fa |
| MD5 hash: | 199536bdda56947cb305b55b2b8a7d86 |
| humanhash: | blue-dakota-fish-saturn |
| File name: | 62d55380d22f1a9be337f905d7f3cbe8cfce73bdc272635a4b83ce33f6b5fe48 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 428'536 bytes |
| First seen: | 2026-07-07 14:23:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2a592076b17ef8bfb48b7e03965a3fc (419 x GuLoader, 63 x RemcosRAT, 52 x AgentTesla) |
| ssdeep | 6144:CpkXGhE4TrIg1+MoMRAjKOvF72AJOuf6+Ak+CujLSw5WvQv2u2ZouSZX:DiTrIg1+eaj5760+CWewJv2u2Z6ZX |
| Threatray | 2'435 similar samples on MalwareBazaar |
| TLSH | T14994F1882F6DED0BD1958C344DB5F92BA2B84DA08DC77B02EF913D4CB9367C4BA09516 |
| 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 | 61f09aa8b2bc9800 (2 x GuLoader, 1 x RemcosRAT) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Haematoblast |
|---|---|
| Issuer: | Haematoblast |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-04-25T06:21:24Z |
| Valid to: | 2027-04-25T06:21:24Z |
| Serial number: | 5590967302e9d57acf35ec4269219d6c88e6acb0 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | a0d2b2b47450790d7afd37b0c9e553bafb7e45123ac90965697e45898816d2d3 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
102
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
Detection:
n/a
Verdict:
Malicious
Score:
94.9%
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Сreating synchronization primitives
Setting a keyboard event handler
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-11T01:39:00Z UTC
Last seen:
2026-07-09T07:57:00Z UTC
Hits:
~1000
Verdict:
Unknown
Score:
95%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2026-06-11 05:42:21 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
20 of 36 (55.56%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'425 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost adware discovery persistence rat spyware
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Enumerates connected drives
Loads dropped DLL
Boot or Logon Autostart Execution: Active Setup
Family: Remcos
Malware Config
C2 Extraction:
204.10.160.254:2404
Unpacked files
SH256 hash:
62d55380d22f1a9be337f905d7f3cbe8cfce73bdc272635a4b83ce33f6b5fe48
MD5 hash:
199536bdda56947cb305b55b2b8a7d86
SHA1 hash:
ffae132e7744dc5e2544fb2550fb226f8ad700fa
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | NSIS |
|---|---|
| Author: | kevoreilly |
| Description: | NSIS Integrity Check function |
| 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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