MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 55711154bc3af7db4779fb061879ecb6c55784ffeff7ef4842059945b24e7ea2. 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: | 55711154bc3af7db4779fb061879ecb6c55784ffeff7ef4842059945b24e7ea2 |
|---|---|
| SHA3-384 hash: | ed40ec870456fce906da887f4de9dea7cf77b72be9c29c32b254e25e235f16db45f9208357a6044e21cd1963bcd968e7 |
| SHA1 hash: | c7c17c9f839234dd42a8f01232ce585c8660971a |
| MD5 hash: | 6e629c120c8ebd2eec92194045c80cbe |
| humanhash: | snake-wisconsin-green-robin |
| File name: | 55711154bc3af7db4779fb061879ecb6c55784ffeff7ef4842059945b24e7ea2 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 753'744 bytes |
| First seen: | 2026-11-09 07:53:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | 9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 57 x GuLoader, 28 x RemcosRAT) |
| ssdeep | 12288:TnPdAG8wdjya6Wi7mOOMvS/gcaqIcZJbXyQp46GT9lu0EPzSkKWHqxDI0:LPdfy7H6gcatoRrp46GPEWWHQDI0 |
| TLSH | T1C1F41212BD55C462F64CEC34853A32F2D9EBBD520B881927D6CD6D05FC3A894FACA234 |
| 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 |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Allergladest |
|---|---|
| Issuer: | Allergladest |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-09-05T03:28:01Z |
| Valid to: | 2027-09-05T03:28:01Z |
| Serial number: | 20c636a29dbbb4135794c54af2deedfbd4618f9e |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 659253f2a288d681e1f150a8299c1d2f0eb61214176aa0fe4447a306401e22fb |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
53
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
Malware family:
agenttesla
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-09 13:44:49 UTC
Tags:
ip-check agenttesla stealer ftp
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
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-06T01:08:00Z UTC
Last seen:
2026-11-04T19:04:00Z UTC
Hits:
~1000
Verdict:
Unknown
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.NSISHeur
Status:
Malicious
First seen:
2026-10-06 04:21:06 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
21 of 36 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader collection defense_evasion discovery downloader keylogger privilege_escalation spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Family: AgentTesla
Family: Guloader,Cloudeye
Malware Family:
n/a
Verdict:
Malicious
Tags:
invalid_signature
YARA:
win_token
Malware Family:
nsis
Malicious:
True
Tags:
file-overlay invalid-signature peexe signed
Unpacked files
SH256 hash:
55711154bc3af7db4779fb061879ecb6c55784ffeff7ef4842059945b24e7ea2
MD5 hash:
6e629c120c8ebd2eec92194045c80cbe
SHA1 hash:
c7c17c9f839234dd42a8f01232ce585c8660971a
SH256 hash:
4b7d17da290f41ebe244827cc295ce7e580da2f7e9f7cc3efc1abc6898e3c9ed
MD5 hash:
1d8f01a83ddd259bc339902c1d33c8f1
SHA1 hash:
9f7806af462c94c39e2ec6cc9c7ad05c44eba04e
SH256 hash:
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
MD5 hash:
4add245d4ba34b04f213409bfe504c07
SHA1 hash:
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
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: | exploit_any_poppopret |
|---|---|
| Author: | Jeff White [karttoon@gmail.com] @noottrak |
| Description: | Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries. |
| 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. |
| Rule name: | Win_Clipboard_Clipper_Thengavar |
|---|---|
| Author: | Thengavar |
| Description: | Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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