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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb. 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


MassLogger


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb
SHA3-384 hash: 3ddc3f71badc06838696214ec097d6dbbec078ba4596b1afec3cac1001d63284ad3bc5a0c11b9f20a79c2affdb5c3614
SHA1 hash: 9be747385d6107419cd3dc743f0a20b511a0d9ea
MD5 hash: 9dec70452ff18da2864430e1ab25b645
humanhash: harry-india-nuts-zebra
File name:a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb
Download: download sample
Signature MassLogger
Create hunting rule
File size:2'753'024 bytes
First seen:2026-09-10 11:15:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:AzyefmftebuA4WFiS646OvSx+G8YMqv6pATIN4bOe/1XVXFTQwl:3efg47jiS646q+8YrbCcOeZV1
TLSH T132D5231956238623FE6BFFB49D70D2F1E7354E2BB120F12959DC8CEA742B2816D00766
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon ccb2b2f2e2ba82c4 (2 x Formbook, 2 x MassLogger)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Detection:
PhantomStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/84944/
Detection(s):
SecuriteInfo.com.Trojan.Siggen33.56360.55578233.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Setting a keyboard event handler
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-26T03:13:00Z UTC
Last seen:
2026-09-10T08:15:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1ef21756-66fd-4ef9-93c0-37672e8fa0e5
Score:
67%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.41 Win 64 Exe x64
Link:
https://app.malva.re/file/9dec70452ff18da2864430e1ab25b645
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb/
Threat name:
Win64.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2026-08-26 09:49:54 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
8
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upcmvju6gq74j6ouzujnmlns3djv6sjmvmzowo6wkyqx7o22flvq._file
Result
Malware family:
phantom_stealer
Create hunting rule
Score:
  10/10
Tags:
family:phantom_stealer collection discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/260910-ncv7essclh/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Family: PhantomStealer
Unpacked files
SH256 hash:
a3c4caa69e343fc4f9d4cd12d62db2d8d35f492cab32eb3bd656217fbb5a2aeb
MD5 hash:
9dec70452ff18da2864430e1ab25b645
SHA1 hash:
9be747385d6107419cd3dc743f0a20b511a0d9ea
Link:
https://www.unpac.me/results/7323e104-11e3-4323-a031-02347277d80d/
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

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/84944/

Comments