MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53055b6d2651d5c6b4a0bf9ee2f50c73918e65c9d36acfd10eb2eefb0d3e957f. 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: 17


Intelligence 17 IOCs YARA 16 File information Comments

SHA256 hash: 53055b6d2651d5c6b4a0bf9ee2f50c73918e65c9d36acfd10eb2eefb0d3e957f
SHA3-384 hash: c2cc34703dc3845286d74490c6ac8aa139b1781daf453f5404fe4a3169f151372a6787801cee01f038470e72be09e8ad
SHA1 hash: a8ce7b365100b9afe30a86cc1f99ec3e36004a2c
MD5 hash: 96fd99cff50a8b6fee2c9ec436431f2a
humanhash: alpha-high-berlin-kentucky
File name:INVOICE#R09.exe
Download: download sample
Signature MassLogger
File size:538'624 bytes
First seen:2025-05-16 08:44:48 UTC
Last seen:2025-05-16 13:11:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'651 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:gpMJEZJNe76JZOfpZPmJKSNADv/Yz/9+6KwueHw:wblqfEPNigj95Kx
Threatray 3'525 similar samples on MalwareBazaar
TLSH T11AB4F1192245DC03C0D72AB40DB6E3F81BBA7D8C9522CB479FE96DDFBDAAB052541342
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 d4d4b4f4ccac8cc4 (4 x SnakeKeylogger, 3 x MassLogger, 1 x AgentTesla)
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
457
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE#R09.exe
Verdict:
Malicious activity
Analysis date:
2025-05-16 11:13:27 UTC
Tags:
evasion snake keylogger stealer netreactor

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT, PureLog Ste
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious 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 AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2025-05-16 03:55:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger 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
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
53055b6d2651d5c6b4a0bf9ee2f50c73918e65c9d36acfd10eb2eefb0d3e957f
MD5 hash:
96fd99cff50a8b6fee2c9ec436431f2a
SHA1 hash:
a8ce7b365100b9afe30a86cc1f99ec3e36004a2c
SH256 hash:
0656f59c9e7cfa07d64cf4cd7d85ebd9b4399893cc853f3d1d37cca622d1f815
MD5 hash:
e4a8fe009b340647108a98105600f476
SHA1 hash:
03193855202feecd4bc542876855e706a243f13b
SH256 hash:
7562bd4a9f90e4e567f4e918c8b0b12d7d984d98e7d6d4dc4f5b741d38b709ab
MD5 hash:
3510efb79e22f25fa1cd90ab005d32a9
SHA1 hash:
560cc90ef3b7f7749a77e73b4306237ab3e66a9e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
46bdef99566ef58785e577f35513d76ad9b42ded2f5db5d2a7a5b36ca20a5a40
MD5 hash:
a3424a4e98f50a455501b4ee417acc22
SHA1 hash:
8849f43ed6e014c63f642e893d52c29aad614ec1
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
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 53055b6d2651d5c6b4a0bf9ee2f50c73918e65c9d36acfd10eb2eefb0d3e957f

(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