MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683. 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


Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683
SHA3-384 hash: ec27f6493c396f9faa12da3f024b2feb89b8c8d05e998d8d042fbbfa56d1109498d9eda6e83d16779179a4df35af6875
SHA1 hash: 0dba4ba6ae989b6b57d0e0e1b2ca741748dab494
MD5 hash: 6d4485adc68e0f462b1df1da8629e723
humanhash: blossom-jig-six-mexico
File name:MSTeams-8582.msi
Download: download sample
File size:23'157'248 bytes
First seen:2026-01-22 12:33:23 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 393216:EmSATjquthxSWifgJsnUZrTS88fRrGW+2KHpBaY6+77rFCyE0bzU4FENxFErL5Cj:EFLODrEfRrGNvHpBaYV7tDbI4FENbwLA
TLSH T1E3373321A29BC432D66D017AED64FF5E097ABEB3073101DBF3F8795A89B08C19771642
TrID 77.3% (.MSI) Microsoft Windows Installer (454500/1/170)
10.3% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.5% (.MSP) Windows Installer Patch (44509/10/5)
3.3% (.WPS) Kingsoft WPS Office document (alt.) (19502/3/2)
1.3% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter zhuzhu0009
Tags:msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
SG SG
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Link:
https://research.acce.ciphertechsolutions.com/results/f89ea27a-a8aa-4a6b-8cff-b3967841da0a/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/49726/
Verdict:
Malicious
Score:
98.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69721924f3cf908ba5074b8f
Tags:
shellcode dropper virus
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 CAB cmd expired-cert farfli fingerprint installer lolbin msiexec packed runonce short-lived-cert update wix
Link:
https://www.filescan.io/uploads/69721920f3c1b7b1fbda1d68/reports/a2e98361-9a7a-4dc5-a165-4ac2c43d6bdf/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
msi
First seen:
2026-01-22T10:02:00Z UTC
Last seen:
2026-01-22T10:44:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Waldek.sb Trojan.MSIL.BypassUAC.sb HEUR:Trojan-Dropper.Script.Agent.gen Backdoor.Win32.Zegost.sb
Link:
https://opentip.kaspersky.com/3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683/results?tab=lookup
Score:
81%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683
Verdict:
njRat
YARA:
6 match(es)
Tags:
.Net CAB:COMPRESSION:MSZIP Executable Managed .NET njRat Office Document PDB Path PE (Portable Executable) PE File Layout RAT SOS: 0.24 SVG
Link:
https://app.malva.re/file/6d4485adc68e0f462b1df1da8629e723
Gathering data
Verdict:
Malicious
Threat:
Trojan.Win32.BypassUAC
Link:
https://tip.neiki.dev/file/3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-22 12:34:34 UTC
File Type:
Binary (Archive)
Extracted files:
134
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hp43lusovpykp7yyxhvmurjqmfohqkzayb7sq4bsueh6sc2te2bq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution installer persistence privilege_escalation ransomware
Link:
https://tria.ge/reports/260122-ptjqdsfz5f/
Behaviour
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Inno Setup is an open-source installation builder for Windows applications.
Access Token Manipulation: Create Process with Token
Enumerates physical storage devices
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3bf9b5d24eab/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/3bf9b5d24eabf0a7ff18b9eaca4530615c782b20c07f287032a10fe90b532683

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_MSI_LATAM_Banker_From_LatAm
Create hunting rule
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value

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/49726/

Comments