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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9
SHA3-384 hash: 18e416a4a3114c25e0954e23c93b3e79a250a2cc920f0b59d978946134d0a362b63eb08a6dc6589e4c39ed6a5025ae65
SHA1 hash: 6f0271fcdddba2037cf119041fa0d4c944d3aefd
MD5 hash: 25d83a555f662ac46ee8a4f6a1824137
humanhash: twenty-early-potato-batman
File name:rSPAREPARTLIST.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:551'376 bytes
First seen:2026-03-23 20:00:10 UTC
Last seen:2026-03-23 20:00:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 744 x AgentTesla, 443 x GuLoader)
ssdeep 6144:SYa6eJsYMZ4YdvJe+ECzk9WT+z1WyMGjhm9d6HAkbQFqTaHXxSnbrHE9+I1:SYEJsB4YxE8/CMyXhK2scTa3WbrHE9v
TLSH T1DFC46E2564014041DA0F1F71B16D97A67923BFBA297CF21E2A3AFBD626F72C2D13614C
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 f0dcdcf2f99cecf0 (3 x GuLoader, 1 x RemcosRAT)
Reporter FXOLabs
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Korroderede
Issuer:Korroderede
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-21T07:37:49Z
Valid to:2027-03-21T07:37:49Z
Serial number: 2f05b16e1984cf268dcdfcbb3eada80efa31dd7d
Thumbprint Algorithm:SHA256
Thumbprint: f48111630ee44409cf9ed96e5aa5fcad3c2f417296855bd36595c0aa7aa9654e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
245
Origin country :
BR BR
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
a c2 URL, a useragent string, and a string XOR key
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/de38a33c-947b-4b4b-a678-3f5be8b939c8/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
rSPAREPARTLIST.exe
Verdict:
Malicious activity
Analysis date:
2026-03-23 20:01:26 UTC
Tags:
rat remcos auto-reg
Link:
https://app.any.run/tasks/7c8cc0ff-5ac2-4689-90ed-3c5334be9b56

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/58884/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69c19bdbaacb4c376b132e4c
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/69c19bd82000fc76c3fa63e6/reports/c1b973dd-703f-42f5-b20b-c4ab235cd19c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.Win32.Agent.sb Trojan.NSIS.Makoob.sbe Trojan.NSIS.Makoob.sba Packed.NSIS.Krynis.sb HEUR:Trojan.Win32.Makoob.gen
Link:
https://opentip.kaspersky.com/2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a58151c9-7166-4389-b64e-dda8ead20e16
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-03-23 20:00:37 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fozzeswbh656negejzwcebyroqupvo2fraezxbg3m2qcapfabk4q._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
error
GuLoader
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Link:
https://tria.ge/reports/260323-yq6kesex3t/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Adds Run key to start application
Checks installed software on the system
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
107.175.246.30:2404
107.175.246.30:5000
Unpacked files
SH256 hash:
2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9
MD5 hash:
25d83a555f662ac46ee8a4f6a1824137
SHA1 hash:
6f0271fcdddba2037cf119041fa0d4c944d3aefd
Link:
https://www.unpac.me/results/6936255b-2e8b-49bd-946e-70da9ab1e85b/
SH256 hash:
56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
MD5 hash:
6c3f8c94d0727894d706940a8a980543
SHA1 hash:
0d1bcad901be377f38d579aafc0c41c0ef8dcefd
Link:
https://www.unpac.me/results/6936255b-2e8b-49bd-946e-70da9ab1e85b/
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
Link:
https://www.unpac.me/results/6936255b-2e8b-49bd-946e-70da9ab1e85b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2bb3924ac13f/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/2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Malspam

GuLoader

Executable exe 2bb3924ac13fbbe690c44e6c2207117428fabb4588099b84db66a0203ca00ab9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/58884/

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