🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877
SHA3-384 hash: 9140ac4f2f0e569440943c6164dd3235220ceb17d7fa413fa3a130b451f0e351cedfef758c09ad2b9f8a193ad9687c80
SHA1 hash: ea3ba33c3b0a4d09674bb781918204fdcef9c8de
MD5 hash: d2b27b59d2c8c7005b8afad55f6441d0
humanhash: oxygen-equal-magazine-batman
File name:SecuriteInfo.com.FileRepMalware.31299243
Download: download sample
Signature GuLoader
Create hunting rule
File size:291'248 bytes
First seen:2026-03-25 09:52:41 UTC
Last seen:2026-03-25 10:29:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (593 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer)
ssdeep 6144:pQ606xHD/hv/A0BKGVKnFLJ3BWjYdPQGoZc6fbaKnjn6wRx:TD5HlBKGMnFLDoYd0ZzfeKnjdRx
TLSH T1695412117710C4C3DBE20730383AEBB74BFA8EBE1A754A174B24B95D7996241DD2E1A8
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 c4dadadad2f492c2 (148 x GuLoader, 51 x RemcosRAT, 23 x VIPKeylogger)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:unshivering
Issuer:unshivering
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-08T07:31:00Z
Valid to:2027-03-08T07:31:00Z
Serial number: 3ac161c74e8d1b017f3c8b7f5ba6ade043b33076
Thumbprint Algorithm:SHA256
Thumbprint: a6f3b318441737b5b28fda3e4ebdee93f0ed99c3eb8107b91e13fb38bd2f1879
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
4
# of downloads :
211
Origin country :
FR FR
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/10cbf152-30c5-4d71-a99b-b6acd62ba159/
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
nNewOrderPO001MDYI2026form.tar
Verdict:
Malicious activity
Analysis date:
2026-03-25 08:02:21 UTC
Tags:
arch-exec stealer evasion agenttesla ftp exfiltration
Link:
https://app.any.run/tasks/3487b9a5-85ce-4f94-a816-dc4f7c45a228

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/59207/
Detection(s):
SecuriteInfo.com.FileRepMalware.31299243.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c39624aacb4c376b13cd38
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Connection attempt
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/69c3b08b68ea00073e527492/reports/239f2593-1e36-47ff-af99-0f9597d33bf5/overview
Verdict:
Suspicious
Labled as:
Malware_
Link:
https://www.hybrid-analysis.com/sample/ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-25T04:27:00Z UTC
Last seen:
2026-03-26T01:24:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.Agensla.TCP.C&C Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.sb Trojan.NSIS.Makoob.sbb PDM:Trojan.Win32.Generic Backdoor.Androm.HTTP.Download Trojan-PSW.MSIL.Agensla.d Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sba Packed.NSIS.Krynis.sb HEUR:Trojan-Downloader.Win32.Minix.gen
Link:
https://opentip.kaspersky.com/ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/de77b917-e7e1-4d8a-957f-9ec14a171ba5
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/d2b27b59d2c8c7005b8afad55f6441d0
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2026-03-25 08:00:35 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ztxras6olqfuwq6x4cagjunmvwinbd3i6sylujwvk4enr2mwjb3q._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/260325-lwq1psh16k/
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
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
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
AgentTesla
Agenttesla family
Unpacked files
SH256 hash:
ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877
MD5 hash:
d2b27b59d2c8c7005b8afad55f6441d0
SHA1 hash:
ea3ba33c3b0a4d09674bb781918204fdcef9c8de
Link:
https://www.unpac.me/results/b90a2c77-008e-4b66-8f18-7bde006d388b/
SH256 hash:
59cdb2c12d5635fd25af4007b70222507948be41fa9885b7f07967c2510a5311
MD5 hash:
82c3f38cd34739872af07443c65d0bd8
SHA1 hash:
1f4ee2d394404a291eda6419f856adaf4b960237
Link:
https://www.unpac.me/results/b90a2c77-008e-4b66-8f18-7bde006d388b/
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
Link:
https://www.unpac.me/results/b90a2c77-008e-4b66-8f18-7bde006d388b/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ccef104bce5c/report/overview.html
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/ccef104bce5c0b4b43d7e08064d1acad90d08f68f4b0ba26d55708d8e9964877

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
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:VECT_Ransomware
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/59207/

Comments