MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f7ff10120f9873493a702d4af415eb13d9ccee1915a42b0986fe37bfbe55a8be. 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: 14
| SHA256 hash: | f7ff10120f9873493a702d4af415eb13d9ccee1915a42b0986fe37bfbe55a8be |
|---|---|
| SHA3-384 hash: | b13b78bae0b30cf2b1e886192e32b330e1bdb36874b49d500b1114691b4d0a5435986ff2c07a6b57ddb0b1f816bcc72c |
| SHA1 hash: | e2cd70fa2fce207861cbfa226ca46c1a5117df9e |
| MD5 hash: | 3061b95caae416cc2046ad094d8831fa |
| humanhash: | oregon-don-kilo-august |
| File name: | svchost.zowner |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 206'336 bytes |
| First seen: | 2026-04-13 21:55:46 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'013 x AgentTesla, 19'919 x Formbook, 12'332 x SnakeKeylogger) |
| ssdeep | 3072:6QCLaxeImUupz/qWyPQjs0503f/aJBCyzQ0:6ZrUjWyPTX/ |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | T1CB144A2833EC4A14E2BFCFB995B090140672F4ABEC16E79D5D9620EC2D727469861F73 |
| TrID | 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win64 Executable (generic) (6522/11/2) 4.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  burger |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
130
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
svchost.zowner
Verdict:
Malicious activity
Analysis date:
2026-04-13 21:56:23 UTC
Tags:
stealer exfiltration telegram evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
94.9%
Tags:
shell sage blic
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Reading critical registry keys
DNS request
Connection attempt
Sending an HTTP GET request
Stealing user critical data
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm base64 cmd evasive expand fingerprint infostealer lolbin obfuscated privilege reconnaissance soft-404
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-12T17:28:00Z UTC
Last seen:
2026-04-14T17:02:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Stealer.sb HEUR:Trojan-PSW.MSIL.Stealer.gen Worm.MSIL.Agent.sb PDM:Trojan.Win32.Generic HEUR:Trojan-PSW.Win32.Agent.sb
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
96 / 100
Signature
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Uses the Telegram API (likely for C&C communication)
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
0%
Verdict:
Benign
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Trojan-PSW.MSIL.Stealer
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-04-13 21:56:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
xoriumstealer
Result
Malware family:
n/a
Score:
7/10
Tags:
defense_evasion discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Checks installed software on the system
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
f7ff10120f9873493a702d4af415eb13d9ccee1915a42b0986fe37bfbe55a8be
MD5 hash:
3061b95caae416cc2046ad094d8831fa
SHA1 hash:
e2cd70fa2fce207861cbfa226ca46c1a5117df9e
Detections:
win_masslogger_w0
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
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | Lumma_Stealer_Detection |
|---|---|
| Author: | ashizZz |
| Description: | Detects a specific Lumma Stealer malware sample using unique strings and behaviors |
| Reference: | https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/ |
| Rule name: | masslogger_gcch |
|---|---|
| Author: | govcert_ch |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | TelegramAPIMalware_PowerShell_EXE |
|---|---|
| Author: | @polygonben |
| Description: | Hunting for pwsh malware using Telegram for C2 |
| Rule name: | telegram_bot_api |
|---|---|
| Author: | rectifyq |
| Description: | Detects file containing Telegram Bot API |
| Rule name: | VECT_Ransomware |
|---|---|
| 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. |
| Rule name: | win_masslogger_w0 |
|---|---|
| Author: | govcert_ch |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Distributed via web download
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