MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8ac5c120f4a842dfd7905294bd98892f3ef5f63369bebc43a099ffbedfbadb05. 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: 13
| SHA256 hash: | 8ac5c120f4a842dfd7905294bd98892f3ef5f63369bebc43a099ffbedfbadb05 |
|---|---|
| SHA3-384 hash: | 5eb29d7678747a022a4e6e94ce1085901beddcb8829cb75c46fe2832f09f71e1409ceceaff7933206fafbc3d40e468c5 |
| SHA1 hash: | df5f61e82a197cb7866f341b7941488156f002ee |
| MD5 hash: | 0e410ab4a2b766f4fc198af2225e91c6 |
| humanhash: | kansas-alanine-chicken-seventeen |
| File name: | new-order36366367464647.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 1'169'120 bytes |
| First seen: | 2026-05-20 17:56:05 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7ed0d71376e55d58ab36dc7d3ffda898 (136 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla) |
| ssdeep | 24576:pBEhPidEmfaCqwW/w7MySAy3eQ5Ricod/10zfWed3NkHAU/:0hqdEmiBwZLNCeQfG/16fF3E |
| TLSH | T1E54512812E382DA5E69AC770AC336FB31B82FE767260C50EEB49D37E4174625644D13B |
| 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 | f08e2be8cccce8d4 (1 x AgentTesla, 1 x GuLoader) |
| Reporter |  TomU |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Uforsonlig |
|---|---|
| Issuer: | Uforsonlig |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-07-25T09:17:28Z |
| Valid to: | 2026-07-25T09:17:28Z |
| Serial number: | 68dbc0ab8bb1cb82aec9ea89fc62dc4bcd9eb441 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 8cf3600e2930f674b292f66e802d44799a37c478e848b3fd95a472ef5d28da28 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
95
Origin country :
CHVendor Threat Intelligence
Malware configuration found for:
NSIS
Details
NSIS
extracted archive contents
Malware family:
guloader
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-21 02:18:02 UTC
Tags:
guloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
injection trojan virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug guloader installer installer installer-heuristic masquerade microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T03:35:00Z UTC
Last seen:
2026-05-22T01:03:00Z UTC
Hits:
~10000
Verdict:
Suspicious
Score:
91%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2025-09-18 06:56:06 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
26 of 38 (68.42%)
Threat level:
5/5
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader execution persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Badlisted process makes network request
Checks computer location settings
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
8ac5c120f4a842dfd7905294bd98892f3ef5f63369bebc43a099ffbedfbadb05
MD5 hash:
0e410ab4a2b766f4fc198af2225e91c6
SHA1 hash:
df5f61e82a197cb7866f341b7941488156f002ee
SH256 hash:
a7c5516478ab02b5d6c1684b3c2b31ee03331712bcd9f9a8ef8309d2b72c8ec4
MD5 hash:
904d8313031ac05e2bac3dd329828833
SHA1 hash:
6c8322f76e5c38bc24b0bcc057a510c92ec40b43
SH256 hash:
df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d
MD5 hash:
ca332bb753b0775d5e806e236ddcec55
SHA1 hash:
f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f
Malware family:
GuLoader
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 |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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