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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1. 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


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1
SHA3-384 hash: 34a8ba111adb541091e51f28fa51d03d6af203ede024c7be970924433cac8137dad62c582ee7823b1a9f9c1228446c7b
SHA1 hash: f6ae26a193b4f1a15e27c768265db36b348feb08
MD5 hash: b0aeeec0740fafba4c8e2e0f21d51b5d
humanhash: hawaii-mars-grey-magnesium
File name:8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1
Download: download sample
Signature GuLoader
Create hunting rule
File size:349'664 bytes
First seen:2026-07-07 15:11:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (326 x GuLoader, 65 x AgentTesla, 63 x RemcosRAT)
ssdeep 6144:SMm4CCEv3liZFEDwxQRy4Cm4k2WQ5s9Px5RzJEasQsd29yeTWrf16pRXxCLxkY3h:SMw3v3lisDpRfr4c6iPx5fojd29NTWr7
TLSH T1457412A162D0D43AED798231C9734AFDA1E69E18D862894B73D1BF3139712D17E0FB60
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 e4c4cec6c4c4e4f4 (2 x GuLoader, 2 x AgentTesla)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Alpemotiver
Issuer:Alpemotiver
Algorithm:sha256WithRSAEncryption
Valid from:2026-06-11T07:11:30Z
Valid to:2027-06-11T07:11:30Z
Serial number: 77eec4b94cd72550dfc89976fdf5575c80238da0
Thumbprint Algorithm:SHA256
Thumbprint: ebb98f8f9f700af93da3748010e00b0febdfe1850cc073539fd7d7994249da2f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/81013c58-14b8-4314-9beb-158b091b773f/
Malware family:
n/a
ID:
1
File name:
8625ec37-244a-cc7c-8a59-144bcf0c48a2.eml
Verdict:
Malicious activity
Analysis date:
2026-07-02 14:30:08 UTC
Tags:
susp-attachments attachments attc-unc attc-arch arch-exec
Link:
https://app.any.run/tasks/a351e15c-f317-4e7c-b77e-ae1ca129f5f4

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/73687/
Detection(s):
SecuriteInfo.com.Trojan.Inject6.15694.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a4d2ae9cca42ffab25403e7
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 installer installer installer-heuristic microsoft_visual_cc nsis packed reconnaissance signed
Link:
https://www.filescan.io/uploads/6a4d2536f283379540e30eab/reports/67f93013-50e6-4234-b06a-d402f4a408a8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-19T14:32:00Z UTC
Last seen:
2026-07-09T13:21:00Z UTC
Hits:
~10000
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.NSIS.GuLoader.gen Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.Agensla.TCP.C&C Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sba Trojan-Downloader.Win32.Minix.sb HEUR:Trojan-PSW.MSIL.Agensla.gen HEUR:Trojan-Downloader.Win32.Minix.gen
Link:
https://opentip.kaspersky.com/8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1/results?tab=lookup
Malware family:
Unlabeled
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d627190b-5755-480a-b3ee-ca8aedcf399d
Score:
68%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1/
Verdict:
Malicious
Threat:
Family.GULOADER
Link:
https://tip.neiki.dev/file/8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2026-06-19 17:36:49 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwdj64x2qb3ldrbvpdtwolroruwbnzakq23s7hnd4zhfvd4bp2qq._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader adware discovery downloader persistence spyware
Link:
https://tria.ge/reports/260707-tp164ahv61/
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates connected drives
Loads dropped DLL
Boot or Logon Autostart Execution: Active Setup
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
8d869f72fa8076b1c43578e7672e2e8d2c16e40a86b72f9da3e64e5a8f817ea1
MD5 hash:
b0aeeec0740fafba4c8e2e0f21d51b5d
SHA1 hash:
f6ae26a193b4f1a15e27c768265db36b348feb08
Link:
https://www.unpac.me/results/f79d35fd-c260-4f37-b1d4-c0ba50c43311/
SH256 hash:
6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
MD5 hash:
48f3e7860e1de2b4e63ec744a5e9582a
SHA1 hash:
420c64d802a637c75a53efc8f748e1aede3d6dc6
Link:
https://www.unpac.me/results/f79d35fd-c260-4f37-b1d4-c0ba50c43311/
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
Link:
https://www.unpac.me/results/f79d35fd-c260-4f37-b1d4-c0ba50c43311/
SH256 hash:
09acfc5ee34a1dfa1af3a9d34f00c3b1327b56641feebd536e13752349c08ac8
MD5 hash:
014a3be4a7c1ccb217916dbf4f222bd1
SHA1 hash:
9b4c41eb0e84886beb5591d8357155e27f9c68ed
Link:
https://www.unpac.me/results/f79d35fd-c260-4f37-b1d4-c0ba50c43311/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NSIS
Create hunting rule
Author:kevoreilly
Description:NSIS Integrity Check function
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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/73687/

Comments