MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 592c3eaffa6de15c2db0433d593f414890aff941fe8a65c2222374aa0e0fa19f. 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: | 592c3eaffa6de15c2db0433d593f414890aff941fe8a65c2222374aa0e0fa19f |
|---|---|
| SHA3-384 hash: | cd9dcfea23344fb2216a251048f4147e2f83900ee4dce959c4c99d4ae1f8f757ada499fa53d202548f0c0c4fca765c48 |
| SHA1 hash: | 12bfe738c5ee751b76c839f6537ab58235925970 |
| MD5 hash: | 0b471a0a99a1bf69eafc751fd2c3fbb9 |
| humanhash: | solar-mirror-glucose-timing |
| File name: | 592c3eaffa6de15c2db0433d593f414890aff941fe8a65c2222374aa0e0fa19f |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 588'152 bytes |
| First seen: | 2025-10-10 06:37:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 671f2a1f8aee14d336bab98fea93d734 (204 x GuLoader, 4 x Formbook, 4 x RemcosRAT) |
| ssdeep | 12288:WBewGK2W+z93SNFZzwcUHJhKt/75wiWAJ:Wow32Hz93SN4hhY5wZAJ |
| TLSH | T1ABC40165F370FB37C529027149E6876C4772FD499A039B873348B21ABCB22D24A77297 |
| 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 | 10cccc9630f07100 (4 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Bastarder |
|---|---|
| Issuer: | Bastarder |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-07-29T00:39:06Z |
| Valid to: | 2026-07-29T00:39:06Z |
| Serial number: | 426ec1c4a8449a8bda58e28f8f81db820a7331c8 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 731f6422c188e9c0a55ed36cf88bad7064336cc717b21661887c4d339a172624 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
109
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
592c3eaffa6de15c2db0433d593f414890aff941fe8a65c2222374aa0e0fa19f
Verdict:
Malicious activity
Analysis date:
2025-10-10 08:17:09 UTC
Tags:
stealer evasion snake keylogger telegram ims-api generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
injection obfusc virus
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context guloader installer microsoft_visual_cc obfuscated overlay signed
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-16T06:41:00Z UTC
Last seen:
2025-10-11T05:49:00Z UTC
Hits:
~1000
Malware family:
Unlabeled
Verdict:
Unknown
Score:
97%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-09-16 10:23:52 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
22 of 36 (61.11%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:guloader family:masslogger adware collection discovery downloader execution installer persistence ransomware spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
NSIS installer
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
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
Guloader family
Guloader,Cloudeye
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8401328193:AAHQQIvCG_SJifZ7AHDI1KvMI7wqPFnrBUU/sendMessage?chat_id=7137773399
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Unpacked files
SH256 hash:
592c3eaffa6de15c2db0433d593f414890aff941fe8a65c2222374aa0e0fa19f
MD5 hash:
0b471a0a99a1bf69eafc751fd2c3fbb9
SHA1 hash:
12bfe738c5ee751b76c839f6537ab58235925970
SH256 hash:
0b9e57d7ac80c74b64802464c7206ccea92eccb500f5690e78e0c7780979ff35
MD5 hash:
2d3ec318bdb03cdddb2e271f1825f7ca
SHA1 hash:
3861931a33b522a278d6798fe99774c07702f7fc
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
SH256 hash:
785944e57e8e4971f46f84a07d82dee2ab4e14a68543d83bfe7be7d5cda83143
MD5 hash:
2d5f40ddc34e9dc8f43b5bf1f61301e3
SHA1 hash:
5ed3cd47affc4d55750e738581fce2b40158c825
SH256 hash:
9cdba2bb0984f10c201921ae5bcfe7b595771e1f12d9e17d31f213bfaf1548c6
MD5 hash:
3134c2821796396ba53e77ef3ea6a268
SHA1 hash:
14c58e347fb4bf1b8c6f5ebccae57c58066d8769
SH256 hash:
89b1e6509a1b45b32933e9d785a9c8c5b9ce7c616e1112dcf7fc3fa5ca27ebde
MD5 hash:
4a2f4fe4a3ad1de56ee6bf7dd4923963
SHA1 hash:
7cc68b94448c964fd99904e5784b059aed4d5daa
SH256 hash:
b2699fdfdab6a018fcc972806d12f71972de1861660bb6578935d62b1da06504
MD5 hash:
3cea4c9994912d8f3c3e8b6a814e810e
SHA1 hash:
c48d34a0981d4ab576c7a3ab566f5ddb94af5d86
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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