MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0bfb0b841074e05c24408075a90c89647429199cf37b4970a0e17b49e334c857. 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


Intelligence 13 IOCs YARA 20 File information Comments

SHA256 hash: 0bfb0b841074e05c24408075a90c89647429199cf37b4970a0e17b49e334c857
SHA3-384 hash: 9020009230988648805e26834a9da2678b10648b3ce6750871b3abbb3b934d7c75802e6e727960b64057589ae8557a4b
SHA1 hash: bb991595073977e8b0a777559235060ae7e8af7a
MD5 hash: 34c4e6aa274ad2d7793a7e5fa54e01e7
humanhash: oregon-tango-jersey-eight
File name:0bfb0b841074e05c24408075a90c89647429199cf37b4970a0e17b49e334c857
Download: download sample
Signature MassLogger
File size:622'592 bytes
First seen:2025-07-07 14:51:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:bugcOtwa1/nkJsuT935yMC7octVmo9ynY1iMLEtvSiY6RLL/MW9jT+O/CH:zJFkJsuT+MC7oFMFiMLivY6t3+N
Threatray 3'456 similar samples on MalwareBazaar
TLSH T139D4BD903FF4AEC2D46507F10620EAF91278AFA95C20D3AA6DDCBFDB38387456568153
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
dhash icon 344bc4e06968300c (4 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
24
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Blocking the Windows Defender launch
Stealing user critical data
Malware family:
Snake Keylogger
Verdict:
Malicious
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.02 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-06-25 07:51:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery evasion spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
MassLogger
Masslogger family
Modifies Windows Defender DisableAntiSpyware settings
Malware Config
C2 Extraction:
https://api.telegram.org/bot8033877980:AAHqRHGJsyLgcsFbXWn0qH7Pj2TrXmObvDQ/sendMessage?chat_id=7731003424
Unpacked files
SH256 hash:
0bfb0b841074e05c24408075a90c89647429199cf37b4970a0e17b49e334c857
MD5 hash:
34c4e6aa274ad2d7793a7e5fa54e01e7
SHA1 hash:
bb991595073977e8b0a777559235060ae7e8af7a
SH256 hash:
c74080282f68f9617e70b3b00a7728af7c15895b13cab34588d57ea14757bb79
MD5 hash:
e65ec9a8221b987bae48a5651a8dc747
SHA1 hash:
d46d27e328d3d9affa4b55231c9b3d14b78600d8
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
SH256 hash:
3384a08e4d31ab5adeceb9d1f1e7c70a3449486aa48ce4470ff954345bd158eb
MD5 hash:
584af873c1a194fbac4f259ed1d66d33
SHA1 hash:
fb466040332df39f6810344397c83cf81f86ba6d
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: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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
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_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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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