MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e
SHA3-384 hash: 447cfaa451520eb6d21a034c6e3f27146832491911816956069dc7618ed3d273bf2ef9ffc6999ea43dacd86209226e08
SHA1 hash: 23eb0a5e5aa174a5e22db6bbfb8672fba077c93a
MD5 hash: 1922808e35850a35ea5717bd17a9609a
humanhash: kansas-lactose-jupiter-east
File name:z10JQP9VEXkuSZ7SOT.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:593'920 bytes
First seen:2025-03-06 06:00:07 UTC
Last seen:2025-03-06 06:33:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FxJbMpm+gvy6z2iDXUNANUa7orVicFwIR3QlPsA7a/hKuyIi4:LJbLhi8Llo3FwIR3QB7OHJi
TLSH T1E6C4E06423A89B17C57A9BF81932E17413F92DE97810D21A8FDE6CDF7972F005E142A3
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 :
2
# of downloads :
456
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
XE_05032025.z
Verdict:
Suspicious activity
Analysis date:
2025-03-05 14:08:06 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/e923d89d-d1cb-4f17-a4a1-1f52f81f574d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3148.25364.9201.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c93b96c668b65489bf5f4e
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
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
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67c939ec4a3011c802c90527/reports/bc627b4a-9bbc-4406-a13c-a8e358511514/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b8dd8a0-75bf-4afc-abcf-ba4eef8aa182
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1630679
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-03-05 11:40:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fg3xn7atwtpqh7u7l2zbmqffbknzrdzxfnch3r22czpswumxvbxa._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250306-gqgsmazzew/
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
Link:
https://app.threat.zone/submission/7e3ebdb6-bb1c-43ae-8757-328dad1cfb5c
Unpacked files
SH256 hash:
29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e
MD5 hash:
1922808e35850a35ea5717bd17a9609a
SHA1 hash:
23eb0a5e5aa174a5e22db6bbfb8672fba077c93a
Link:
https://www.unpac.me/results/6015791b-accb-44a2-be10-4cbe459b3c2d/
SH256 hash:
f434d50e803fdb851fc6669635c825d4343f9ebc4972d44f1fb802d33ca6f48d
MD5 hash:
6c1abc6d74bf2f79b330a003bb07cae4
SHA1 hash:
1da25273ddf09df4bdeeb8b9045604c0a0e2af7b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6015791b-accb-44a2-be10-4cbe459b3c2d/
SH256 hash:
6ac972f91acc307e4f2f557529c4f85b9d6512b8968a3d827d4c53ea1d1e8941
MD5 hash:
ad03f705373afaec51148713ab05565a
SHA1 hash:
1f8dbd6a84a5f68ec3174b24c32df7cdd1546b39
Link:
https://www.unpac.me/results/6015791b-accb-44a2-be10-4cbe459b3c2d/
SH256 hash:
a61fbe84a8249c28493f3500b090532c4ebedaedc335c3ac14ea6a2587ec1e38
MD5 hash:
ab1a513e370ed9d07fc4c1dad8246109
SHA1 hash:
8ea9e15c374a9663d1b516a4cd0d1172bd2874d7
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/6015791b-accb-44a2-be10-4cbe459b3c2d/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe 29b776fc13b4df03fe9f5eb21640a50a9b988f372b447dc75a165f2b5197a86e

(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