MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9. 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: 15


Intelligence 15 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9
SHA3-384 hash: ee41232366993bc037ebb3b4f5aa21bb0a7f782acda6593354ec91d956e0a46e148c6ae27ebaa72562b0f1c8d6c84a2b
SHA1 hash: 867bd9febb36a11b1c75fed08d2e5b28af1988f5
MD5 hash: 5f792f76354abefb61778de2502c3860
humanhash: tango-august-golf-kitten
File name:BEPZA MT103 Credit.pdf.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:717'824 bytes
First seen:2025-04-21 13:05:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:1oZJY+y84PI119W6MWnP6DpLkuyE1Wbqye1ntE0u4HF13T+QzFvf2dWsYYT:WZJY5w1XiWnP6VlyE1OwHnfJfgnf
TLSH T10CE4F06473BA9B07E5B91BF20D61D1702376AD8D6835E39A4EC6BCCF7431B005A92B13
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 :
461
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BEPZA MT103 Credit.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-04-21 13:08:43 UTC
Tags:
evasion snake keylogger stealer telegram netreactor ims-api generic
Link:
https://app.any.run/tasks/247d895a-283f-4b5a-99a1-7abb3134e6ba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/3238/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680643d7280f5f89a0d2cf89
Tags:
underscore virus micro msil
Verdict:
Malicious
Labled as:
Trojan.GenericS
Link:
https://www.hybrid-analysis.com/sample/3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b390b384-83b1-4f62-b0af-fc6a7625b782
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/1670309
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1670309 Sample: BEPZA MT103 Credit.pdf.exe Startdate: 21/04/2025 Architecture: WINDOWS Score: 100 47 reallyfreegeoip.org 2->47 49 api.telegram.org 2->49 51 2 other IPs or domains 2->51 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 77 17 other signatures 2->77 8 BEPZA MT103 Credit.pdf.exe 7 2->8         started        12 hSQGSdiOXWyE.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 73 Tries to detect the country of the analysis system (by using the IP) 47->73 75 Uses the Telegram API (likely for C&C communication) 49->75 process4 dnsIp5 39 C:\Users\user\AppData\...\hSQGSdiOXWyE.exe, PE32 8->39 dropped 41 C:\Users\...\hSQGSdiOXWyE.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpF6FC.tmp, XML 8->43 dropped 45 C:\Users\...\BEPZA MT103 Credit.pdf.exe.log, ASCII 8->45 dropped 79 Adds a directory exclusion to Windows Defender 8->79 81 Injects a PE file into a foreign processes 8->81 17 powershell.exe 23 8->17         started        20 BEPZA MT103 Credit.pdf.exe 15 2 8->20         started        23 schtasks.exe 1 8->23         started        29 2 other processes 8->29 83 Antivirus detection for dropped file 12->83 85 Multi AV Scanner detection for dropped file 12->85 25 hSQGSdiOXWyE.exe 12->25         started        27 schtasks.exe 1 12->27         started        59 127.0.0.1 unknown unknown 14->59 file6 signatures7 process8 dnsIp9 61 Loading BitLocker PowerShell Module 17->61 31 WmiPrvSE.exe 17->31         started        33 conhost.exe 17->33         started        53 api.telegram.org 149.154.167.220, 443, 49720, 49723 TELEGRAMRU United Kingdom 20->53 55 checkip.dyndns.com 193.122.6.168, 49713, 49715, 80 ORACLE-BMC-31898US United States 20->55 57 reallyfreegeoip.org 104.21.16.1, 443, 49714, 49716 CLOUDFLARENETUS United States 20->57 35 conhost.exe 23->35         started        63 Tries to steal Mail credentials (via file / registry access) 25->63 65 Tries to harvest and steal browser information (history, passwords, etc) 25->65 37 conhost.exe 27->37         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Suspicious
First seen:
2025-04-14 10:16:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsmclxcmwyhhbaucy3zzuf4lhzknpfh3wdrb35s2zttabu3djl4q._file
Verdict:
malicious
Label(s):
captiveaaloader
Create hunting rule
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250421-qb442svtbw/
Behaviour
Scheduled Task/Job: Scheduled Task
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
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7980052364:AAF-pDyNx07odtrUXa4PJ3OYAgc0gz5tVeE/sendMessage?chat_id=7600279935
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/ea808ede-c8d0-47cf-8650-b026fbc9eea2
Unpacked files
SH256 hash:
3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9
MD5 hash:
5f792f76354abefb61778de2502c3860
SHA1 hash:
867bd9febb36a11b1c75fed08d2e5b28af1988f5
Link:
https://www.unpac.me/results/d63c7b97-49bd-47e5-b4e2-c6b6ee8fb8c9/
SH256 hash:
1d9a3f01bcc3d2c74320e72df28b2a15c5e22438522c880c95e1c9d7a644b389
MD5 hash:
e6e9946838d2a903b9df79d4dc2103d4
SHA1 hash:
15c64a5fad607ccde76d49c56c3f8fc20833f6ba
Link:
https://www.unpac.me/results/d63c7b97-49bd-47e5-b4e2-c6b6ee8fb8c9/
SH256 hash:
6973ac5175017d40fdcad5d48e11c6df903d82cc2b267836f8bb7e6838072f9c
MD5 hash:
c98ec495f957051eb6de5a0609fc94bd
SHA1 hash:
529a50d6ae65295f7c843498dfa820a20e2a48ad
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/d63c7b97-49bd-47e5-b4e2-c6b6ee8fb8c9/
SH256 hash:
815ca0f587d9e52ba2dc552ffbca3ad9a2bbc729f7c1d45f54d70641b7ed8924
MD5 hash:
6e1e054967e6317827808fb2f4a53618
SHA1 hash:
6a46edca0d07b13c874b0338689237b63f764e04
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/d63c7b97-49bd-47e5-b4e2-c6b6ee8fb8c9/
Parent samples :
4cd2cdb20856cc848ef1465c6b8b46559bb1fa154a3ea715a8b661568c0b0d5c
f43ce8ad2dfbf7ec1798ad65f98481a8b9a58e38244468e0d007c54a71f62b2f
480573c544db812e64f587f9f6f68bae7caa5e5fdca52037a1f125313bb743e2
3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9
79d7a511c69ffd0c34847d5e459c9a8585e3625d66b4666a24212fb6740ca36f
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c9825dc4cb6/report/overview.html
Please 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/3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9

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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
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 3c9825dc4cb60e708282c6f39a178b3e54d794fbb0e21df65acce600d3634af9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/3238/

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

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