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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93
SHA3-384 hash: 7f26b64ec319e4574ec95fc74bf1d6b5bbb283339c3b5ac6275901b6e75fa15f860d0675372cca70a43df7c5bfbf43ab
SHA1 hash: 5d5bcc3466fce6d64aed62d72ffce37078cc698f
MD5 hash: c4efe7eba55e16547cfd29eb349c8545
humanhash: speaker-nine-massachusetts-twelve
File name:7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93
Download: download sample
Signature GuLoader
Create hunting rule
File size:448'016 bytes
First seen:2026-09-04 20:31:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 46ce5c12b293febbeb513b196aa7f843 (48 x GuLoader, 21 x RemcosRAT, 15 x AgentTesla)
ssdeep 6144:MlnhrwtaA91Y9PBGWZ9h8GKOk5AE0PWhGEsHG5MM4tQWo6pd6JaTu9RA8pJF2C:MlnNAY7BZ9hkXMEs0X78d6uujAdC
TLSH T1599402027714DCD3C2A92E745964EB358AAD7EB85E760127F7E13F0BB5367822C1E221
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
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Konferencierer
Issuer:Konferencierer
Algorithm:sha256WithRSAEncryption
Valid from:2026-07-26T05:36:02Z
Valid to:2027-07-26T05:36:02Z
Serial number: 55027422575f06d9f3ba5da405cefe538176631c
Thumbprint Algorithm:SHA256
Thumbprint: 7db379222f182e17ccfb010b9a323c01971930d4306b802a09c768e819bb556e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
218
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4a48ada4-aeda-4f87-aea4-d3d1946dd78a/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-09-04 20:55:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b50349a6-f107-4800-a638-3144a9216c3e

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/84063/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac8bc2348b3414a235ddb54
Tags:
injection obfusc virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Delayed writing of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer installer microsoft_visual_cc nsis signed
Link:
https://www.filescan.io/uploads/6a9b2acfe088beff2ee37706/reports/03c33ea6-867a-491b-b874-589840602818/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-11T07:42:00Z UTC
Last seen:
2026-09-05T21:23:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4db27af3-f0b3-4b61-8490-7703c1a0ff3c
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93
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/c4efe7eba55e16547cfd29eb349c8545
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93/
Threat name:
Win32.Trojan.Sonbokli
Create hunting rule
Status:
Malicious
First seen:
2026-08-11 12:09:49 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p656wi7dhf4x44lf3nkghsbhrrcqpeaob43xqgrphvavflltv2jq._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/260904-zbfacsaa94/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93
MD5 hash:
c4efe7eba55e16547cfd29eb349c8545
SHA1 hash:
5d5bcc3466fce6d64aed62d72ffce37078cc698f
Link:
https://www.unpac.me/results/1b65ff95-416c-4d79-bd8b-aa30c9c049a9/
SH256 hash:
996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
MD5 hash:
6d08f0d5503bb100b8429fefaad163a6
SHA1 hash:
2a79aac2d3b715326c3dcd3c5cf2e33de3632a0a
Link:
https://www.unpac.me/results/1b65ff95-416c-4d79-bd8b-aa30c9c049a9/
SH256 hash:
715a9b58de0995d1a08384c522ad9af210e2791aaf8e87a6c07bfe72ebfd2cb5
MD5 hash:
cf0351a2ab9128838be6b54cea8238d3
SHA1 hash:
c3b1abb890d92a6058de7c3ac2b2185b2f4fd03c
Link:
https://www.unpac.me/results/1b65ff95-416c-4d79-bd8b-aa30c9c049a9/
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/7fbbeb23e339797e7165db5463c8278c4507900e0f37781a2f3d4152ad73ae93

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: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/84063/

Comments