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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6. 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


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6
SHA3-384 hash: 457bf335d05c0378456815f59d24e798dc07b6d8f4b9e8206a0bd47795e38bb7c40c4076d561e3e27aeb4187e4e55709
SHA1 hash: 13f82c650cccd7eeb9cd8cc37760b21c1eb8a68c
MD5 hash: d0198beb5f5a5202d94639b7a98d9361
humanhash: river-lake-hydrogen-apart
File name:80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6
Download: download sample
Signature GuLoader
Create hunting rule
File size:457'384 bytes
First seen:2025-10-10 06:53:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (204 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 6144:YvRLb9ORNGAWMmREjVPzqnVZBWiI7I756ntySgNV9mcNPdltep6Pkpg:sb+YTu+nVDAntzCN1LepVg
TLSH T1D3A423237381C19FC79156312EBB2B770AFEAAA021E385A393643B1C6E717406B7F501
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 c4dadadad2f492c2 (148 x GuLoader, 51 x RemcosRAT, 23 x VIPKeylogger)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Lovliggrelsers
Issuer:Lovliggrelsers
Algorithm:sha256WithRSAEncryption
Valid from:2025-09-11T06:08:29Z
Valid to:2026-09-11T06:08:29Z
Serial number: 3dc06e22124b8d1c486aa0b1ce09f8f832179be7
Thumbprint Algorithm:SHA256
Thumbprint: 1f98d1b300620f9835245176a4eb579edd0a6731090ac1fdda869126d8cf3a5d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6
Verdict:
Malicious activity
Analysis date:
2025-10-10 11:03:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b04a3965-bb0c-417c-ae24-49a6eed1f230

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32230/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e8afccf2ca2f143e40f13c
Tags:
injection uloader virus nsis
Result
Verdict:
Malware
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 installer microsoft_visual_cc obfuscated overlay signed similar-threat
Link:
https://www.filescan.io/uploads/68e8bba2fe81c560ba566f49/reports/3ec44baa-d8f7-4c77-8ac7-9b42933f1a4c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-17T06:17:00Z UTC
Last seen:
2025-10-12T03:45:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/982c3551-de64-4b29-a6eb-dd422adbb191
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-09-18 03:02:33 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qdx2cgkr7dfqyfi7esxeeihzn34d7ulggen3nda2ksksrww5gtda._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore adware defense_evasion discovery execution installer keylogger macos persistence ransomware spyware stealer trojan
Link:
https://tria.ge/reports/251010-jqxvyswwaz/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
NanoCore
Nanocore family
Malware Config
C2 Extraction:
196.251.87.89:54984
127.0.0.1:54984
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/407ac262-9f48-4e73-a0d2-7c3a0911cd62
Unpacked files
SH256 hash:
80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6
MD5 hash:
d0198beb5f5a5202d94639b7a98d9361
SHA1 hash:
13f82c650cccd7eeb9cd8cc37760b21c1eb8a68c
Link:
https://www.unpac.me/results/c483180f-be54-498c-b629-e9ff0d4a15ab/
SH256 hash:
832da3cff792135ecb98f44c387bea3a8e2e9bd096b917303ca8b9dc71d60365
MD5 hash:
50a9396a761bf245ed4df1b08782d6f2
SHA1 hash:
e01a99100e91801abe074341b0c77cca6220f0bd
Link:
https://www.unpac.me/results/c483180f-be54-498c-b629-e9ff0d4a15ab/
SH256 hash:
bcb93204bd1854d0c34fa30883bab51f6813ab32abf7fb7d4aeed21d71f6af87
MD5 hash:
6c881f00ba860b17821d8813aa34dbc6
SHA1 hash:
0e5a1e09b1ce1bc758d6977b913a8d9ccbe52a13
Link:
https://www.unpac.me/results/c483180f-be54-498c-b629-e9ff0d4a15ab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/80efa11951f8cb0c151f24ae4220f96ef83fd166311bb68c1a549528dadd34c6

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
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/32230/

Comments