MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe9c2882eb9abb3d248c9c35430898ca7abd93b9b674256bb51c259ab8a96c41. 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


Intelligence 14 IOCs YARA 17 File information Comments

SHA256 hash: fe9c2882eb9abb3d248c9c35430898ca7abd93b9b674256bb51c259ab8a96c41
SHA3-384 hash: 167dbe22b76f57d1e08ed15a466388414de687259391b7178977dd55a74461c2b7c739fc17d876a1e37bf6118e35d7d0
SHA1 hash: 308bd8f66259c689ac11250ba582a07724781525
MD5 hash: 52178179c8582c6f48d49240b6132456
humanhash: enemy-blue-idaho-colorado
File name:71Jx3gwamwuCIHy.exe
Download: download sample
Signature MassLogger
File size:723'968 bytes
First seen:2025-02-24 13:32:27 UTC
Last seen:2025-03-10 11:43:16 UTC
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:pNLgq6YeXY/e1yg5aN3giTrGc8lqBSd2PgQGwHQd5RQSYVVo67AxGpyyDiY:Uo+mWcgF2PfGLG/1AxGAyD1
TLSH T1C4F4BE041398CA0AD53F277859B4C1714BB96E6EF962D31A1ED4BCEB3EB6B009D52343
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 lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TƏCİLİ (546 KB).msg
Verdict:
No threats detected
Analysis date:
2025-02-24 12:31:18 UTC
Tags:
attachments attc-unc arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
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:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Status:
Malicious
First seen:
2025-02-24 10:25:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Behaviour
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
fe9c2882eb9abb3d248c9c35430898ca7abd93b9b674256bb51c259ab8a96c41
MD5 hash:
52178179c8582c6f48d49240b6132456
SHA1 hash:
308bd8f66259c689ac11250ba582a07724781525
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
SH256 hash:
05587a47026a38cfbd35bea73bf7cd5d0b1f727cd988bf5de457413156eb4a47
MD5 hash:
0a5066ed280865b028e677f13bec358c
SHA1 hash:
e4e7d7f082edb4aa49953c207e0dde158efcbae4
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 fe9c2882eb9abb3d248c9c35430898ca7abd93b9b674256bb51c259ab8a96c41

(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
CHECK_TRUST_INFORequires Elevated Execution (Unrestricted:true)high

Comments