MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4903fbe3e8ee4bc49035c9fb6e8fd3d258f3daadf237d6b1f8dd3fe41cb4ced9. 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: 13
| SHA256 hash: | 4903fbe3e8ee4bc49035c9fb6e8fd3d258f3daadf237d6b1f8dd3fe41cb4ced9 |
|---|---|
| SHA3-384 hash: | b9da50974e1dd50e3ad4b100fc64d77a1ed2374d5c63090b0204cf6463102adfda5be803bada8405592d5486e982579a |
| SHA1 hash: | 20b6a557c495e76bd4c97d3c84e2efeba160ec1d |
| MD5 hash: | b11c3ec5c3429224d8ddfcaecbd107b0 |
| humanhash: | tennessee-lemon-low-failed |
| File name: | RFQ-CS-2026-1340-PR-1009380228-MQ.msi |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 69'632 bytes |
| First seen: | 2026-05-30 07:05:02 UTC |
| Last seen: | 2026-06-02 06:47:41 UTC |
| File type: | |
| MIME type: | application/x-msi |
| ssdeep | 768:wuOkcPMvEvdZYdVj6LaEH0S1tu2lh+OpfkL56fSQMaN3YW6qCGZMYxC:FcPMv2EdSXlgq46fVxCcb |
| TLSH | T1BA63AF46F750E232C2820772851FDBE68F65AC4C4FB385137226B34C1F726D496ABAE4 |
| TrID | 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5) 11.5% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Magika | msi |
| Reporter | |
| Tags: | exe-in-archive MassLogger msi spamtrap |
Intelligence
File Origin
# of uploads :
5
# of downloads :
68
Origin country :
DEVendor Threat Intelligence
Malware configuration found for:
MSI
Nova
Details
MSI
an embedded setup program or component
Nova
SMTP, FTP, or Telegram configuration
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
backdoor virus blic
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 installer reconnaissance stealer wix
Verdict:
Malicious
Labled as:
Malware.Generic
Verdict:
Malicious
File Type:
msi
First seen:
2026-05-29T20:21:00Z UTC
Last seen:
2026-06-01T02:59:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.Stealer.gen HEUR:Trojan-PSW.MSIL.Agent.gen HEUR:Trojan-Spy.MSIL.Agent.sb Trojan-Spy.MSIL.BPLogger.sb Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb
Score:
98%
Verdict:
Malware
File Type:
ARCHIVE
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Snakelogger
Status:
Malicious
First seen:
2026-05-30 00:49:27 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
21 of 38 (55.26%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger collection discovery persistence privilege_escalation ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
outlook_office_path
outlook_win_path
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Accesses Microsoft Outlook profiles
Enumerates connected drives
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Family: MassLogger
Malware family:
PrivateLogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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