MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4120a4a8c8a1fb238464ad39e72baa8afcead746bab20e8979c427f09454df88. 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 16 File information Comments

SHA256 hash: 4120a4a8c8a1fb238464ad39e72baa8afcead746bab20e8979c427f09454df88
SHA3-384 hash: 9ef7a1cc381467e77119f179728d97c8db0daf85cb9bb11aeb34b60e7dd69f7de56c4efe554fe168c9652383b6c84064
SHA1 hash: 8af77b3c5e287c31949d84d8a83c52ad5971ab4c
MD5 hash: b3fec0c78c0dd85b50c6d60d17e74b0b
humanhash: tennis-neptune-arizona-yellow
File name:slime crypted.exe
Download: download sample
Signature MassLogger
File size:207'360 bytes
First seen:2025-01-13 14:00:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'647 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 3072:3cgoVTeYHfKL6q+GVqUxhioRHVTSZ1YhCpT6Fs+dQMl4ava:MNTlHw5qGi8VTShyvObav
TLSH T15014E68273EC4192E9E9D5B3F0E0E57A6A3094C6F11A484293EE72E51FB91C76123D4F
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 James_inthe_box
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
750
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
slime crypted.exe
Verdict:
Malicious activity
Analysis date:
2025-01-13 14:21:00 UTC
Tags:
evasion snake keylogger telegram stealer ims-api generic

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
Result
Verdict:
MALICIOUS
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
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Status:
Malicious
First seen:
2025-01-11 00:21:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
snakekeylogger
Similar samples:
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery spyware stealer
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
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
4e855ff8839ce6edd5db42df316806b30e953eb256f55001aacd9201b72646b5
MD5 hash:
3b8f3a31fb9135b0b3226f939bf93088
SHA1 hash:
c94cbf7b4c3b46bfecd2504518d64ec15d0471b4
SH256 hash:
e8ebfda634e10c24642537582e256449074acdf2ac5ea827b81818c111111993
MD5 hash:
5b29dbce9331e1456dcac2b8f087dfd2
SHA1 hash:
702f2aef816d7ed31559640a56919a19c0c9cc51
SH256 hash:
5c0f83566d3e60a63c18d29f13aad74ec38ce92560a8aa887eefd367ac036170
MD5 hash:
d0b125a7186b1997e5ee5d85a37d1bd0
SHA1 hash:
26ab4124b60b2765383a3c2b857ad97c402d5f00
Detections:
win_masslogger_w0 win_404keylogger_g1 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
4120a4a8c8a1fb238464ad39e72baa8afcead746bab20e8979c427f09454df88
MD5 hash:
b3fec0c78c0dd85b50c6d60d17e74b0b
SHA1 hash:
8af77b3c5e287c31949d84d8a83c52ad5971ab4c
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 4120a4a8c8a1fb238464ad39e72baa8afcead746bab20e8979c427f09454df88

(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