MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b4806d8340c94dbe9879d05144f0bd492ce7614bf7827764f9c8f4094c12687. 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 16 File information Comments

SHA256 hash: 6b4806d8340c94dbe9879d05144f0bd492ce7614bf7827764f9c8f4094c12687
SHA3-384 hash: e04b33f4662c591fa1e0077c5c63ce1e831d113ddf473de8dd7937780cf389fd5e7d7ae7340cad0a926e86f2752e9883
SHA1 hash: ad4429d5cbc8ba12d95daf91b79afdecc5e98fa0
MD5 hash: eb7e3d4092b08bea0e496ebbd70561cb
humanhash: mike-king-oscar-uranus
File name:rPO-9090095.exe
Download: download sample
Signature MassLogger
File size:243'200 bytes
First seen:2025-01-28 00:30:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:o+rpub7DMZzk2VRAO+qWW63+fzXYrfe2YK5:o+Ab3MpAO+qWnQIrv
Threatray 211 similar samples on MalwareBazaar
TLSH T17534C5D311B6050CF9F397B254AE2214166DFF8A58ACE03B1D414499981BBFE4F9FB22
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 FXOLabs
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
522
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rPO-9090095.exe
Verdict:
Malicious activity
Analysis date:
2025-01-28 00:43:08 UTC
Tags:
snake keylogger evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a file
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-01-28 00:31:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery spyware stealer
Behaviour
Modifies system certificate store
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
f8d99b61e1dc9291eae81a253627c01a79528819e21ffe85fe912caf74c46c83
MD5 hash:
c57d3856e586046e63bd8e8a3b7b9e5e
SHA1 hash:
f22a9828c20f8501242d4df81c6b7c7921cbc522
Detections:
win_masslogger_w0 win_404keylogger_g1 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
e8ebfda634e10c24642537582e256449074acdf2ac5ea827b81818c111111993
MD5 hash:
5b29dbce9331e1456dcac2b8f087dfd2
SHA1 hash:
702f2aef816d7ed31559640a56919a19c0c9cc51
SH256 hash:
afb797fee9b52ebf6f0f4892819ba663e5c8eeac45c849486700e56c493c12ab
MD5 hash:
344e4fb05392279967eb1d0636a16bb0
SHA1 hash:
2985455f761a15f57628051b60fa24af92fb27c2
SH256 hash:
6b4806d8340c94dbe9879d05144f0bd492ce7614bf7827764f9c8f4094c12687
MD5 hash:
eb7e3d4092b08bea0e496ebbd70561cb
SHA1 hash:
ad4429d5cbc8ba12d95daf91b79afdecc5e98fa0
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: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_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Malspam

MassLogger

Executable exe 6b4806d8340c94dbe9879d05144f0bd492ce7614bf7827764f9c8f4094c12687

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments