MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469
SHA3-384 hash: c4c6414f9849e8ee4dbb55fbf2f4e8f11d85dfb3583ee670da55082a8eafb58ac0fdad9331a6f1aeffec954e74dec0a2
SHA1 hash: 2795a858dcb93cbf269554f448710ac6977ecf89
MD5 hash: 9a774170ca41a6edff9629ca7bb2a96f
humanhash: uniform-lion-ten-jig
File name:bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469
Download: download sample
Signature GuLoader
Create hunting rule
File size:288'056 bytes
First seen:2026-08-10 14:58:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 573bb7b41bc641bd95c0f5eec13c233b (62 x GuLoader, 31 x RemcosRAT, 27 x AgentTesla)
ssdeep 6144:Cbfopdha+pV8OJt1FuyKdnnKSqrQeG4hphjlRFFYMhmHW:CbIc+p+O71FuyKdKSqrNjR3v
TLSH T1B954E12472B6E047E5523A31CFA5E5F86859AEA0FD29E44733123F4FB8B5F81CD45092
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 cebe9cf8f8f8f898 (2 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/eae849f5-ce8c-4d5c-b7b0-5691c97517ba/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80107/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a79e745553c37f8031a908c/reports/f0fdd069-56c5-4d79-95da-18ebfebf27d5/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-29T01:10:00Z UTC
Last seen:
2026-08-11T09:40:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469/results?tab=lookup
Gathering data
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469/
Threat name:
Win32.Trojan.Makoob
Create hunting rule
Status:
Suspicious
First seen:
2026-07-29 14:42:10 UTC
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xoyxpdfrot2snlj5suynkshtehx4indpf4limfk57m5ctn2firuq._file
Verdict:
malicious
Label(s):
CloudEyE
Create hunting rule
Link:
https://reports.threatray.com/feea6cf4-0e45-48c9-9605-860c6926f241
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260810-sn97yaha67/
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469
MD5 hash:
9a774170ca41a6edff9629ca7bb2a96f
SHA1 hash:
2795a858dcb93cbf269554f448710ac6977ecf89
Link:
https://www.unpac.me/results/36cd28f3-5726-4a39-8f26-d3b7cd3b2468/
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
Link:
https://www.unpac.me/results/36cd28f3-5726-4a39-8f26-d3b7cd3b2468/
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/bbb1778cb174f526ad3d9530d548f321efc4346f2f1686155dfb3a29b7454469

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/80107/

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