MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d271fd8cdb9d18bb653545cee69547ca2c6114bf2e810b04d81734b323cacfe6. 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: 16


Intelligence 16 IOCs YARA 22 File information Comments

SHA256 hash: d271fd8cdb9d18bb653545cee69547ca2c6114bf2e810b04d81734b323cacfe6
SHA3-384 hash: 5e188b5aaaf1d290ba80561f59bd4fd196daa26d9af115e963e6d2f21a6061c29d1af9d274efd66d65914a5c5529ddf6
SHA1 hash: 21b2b84a1541f1fe6e8ff47d84afb32c04e6e43a
MD5 hash: 4fca6e8905a5abb80cc77adea8797ecd
humanhash: earth-charlie-fish-mexico
File name:d271fd8cdb9d18bb653545cee69547ca2c6114bf2e810b04d81734b323cacfe6
Download: download sample
Signature MassLogger
File size:561'672 bytes
First seen:2025-09-05 13:10:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:+55u7EHuRIgDCWXhgoyM5wWG0B4D6khan2baQtu+UCcEkR:+xuvbO0D
Threatray 934 similar samples on MalwareBazaar
TLSH T137C4E0983110F05EC4979A714DA0DEB4E7646DAAA307C20395EB2DEF7D0EA869F141F3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d271fd8cdb9d18bb653545cee69547ca2c6114bf2e810b04d81734b323cacfe6
Verdict:
Malicious activity
Analysis date:
2025-09-05 19:57:51 UTC
Tags:
auto-sch-xml evasion snake keylogger stealer netreactor ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated obfuscated obfuscated packed packed packer_detected remcos signed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-21T02:14:00Z UTC
Last seen:
2025-08-21T02:14:00Z UTC
Hits:
~1000
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-08-21 07:31:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution persistence spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8249574412:AAEYI1aKTMsQBYXH4o8C5XnXqiv65jV2kC8/sendMessage?chat_id=6488172735
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d271fd8cdb9d18bb653545cee69547ca2c6114bf2e810b04d81734b323cacfe6
MD5 hash:
4fca6e8905a5abb80cc77adea8797ecd
SHA1 hash:
21b2b84a1541f1fe6e8ff47d84afb32c04e6e43a
SH256 hash:
27e5ffda53751e7360f380bd82a3176a7875a555f6af5b130fb2d64ff776c895
MD5 hash:
68845a1d0f6c65bb7ecc09ca76d2f005
SHA1 hash:
0145c4314c2cf41ae583bb32784fe780c1cdaf1d
SH256 hash:
39f05c64dfd1d7e092fc8cd1300516ba12d0ea7762e26faa8c575eb90efc1f0d
MD5 hash:
7988d421dd137082a5eec0e42910b0d3
SHA1 hash:
04f403792c2327a86690f1750698dd90f1bbdffe
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:attack_India
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
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.

Comments