MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f
SHA3-384 hash: 1d96859167a1a13a47791a67135b38711dc2d98b3cc14676a5c6f3bcb5958271be77117834ca086dcf127f94450c46bb
SHA1 hash: f439f71862954bbe235d738c5dc8f30380ec76d0
MD5 hash: ac062d165d0010ca649db1bb7cbc610f
humanhash: monkey-july-grey-four
File name:Quote-00373.wim.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:848'430 bytes
First seen:2025-04-29 15:45:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:qUIlXXRY5dWqpxFsxb+64fZYoAWawe560QuvdbXNG7H6tNuvJKlzvyn:glRoWm8x4CzWaw06UvNc7aHGUS
TLSH T1CD058C5044F49A32FC942DB29D6DED7AE26C8EAE7B0254726AE83CD7B43D7310F01859
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 04bccece8e8e8e84 (2 x MassLogger)
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
434
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote-00373.wim.exe
Verdict:
Malicious activity
Analysis date:
2025-04-29 15:59:49 UTC
Tags:
evasion snake keylogger stealer
Link:
https://app.any.run/tasks/572bdeb1-d0d8-4881-87b3-1ad81977341e

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/5031/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6810f84ccc5fb3600cc497d0
Tags:
micro krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
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
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated overlay packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/6810f441218c4a98ade79170/reports/c8e15590-9225-417c-92ea-7a9171b76f64/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/afa78fc5-b5ba-477d-8ff8-5c4fac172fb0
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/1677447
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)
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
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 schtasks.exe or at.exe to add and modify task schedules
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: 1677447 Sample: Quote-00373.wim.exe Startdate: 29/04/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 checkip.dyndns.org 2->48 50 checkip.dyndns.com 2->50 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 64 10 other signatures 2->64 8 Quote-00373.wim.exe 6 2->8         started        12 LFIEDblXTqbskp.exe 4 2->12         started        signatures3 62 Tries to detect the country of the analysis system (by using the IP) 46->62 process4 file5 40 C:\Users\user\AppData\...\LFIEDblXTqbskp.exe, PE32 8->40 dropped 42 C:\...\LFIEDblXTqbskp.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmp240A.tmp, XML 8->44 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Adds a directory exclusion to Windows Defender 8->68 70 Injects a PE file into a foreign processes 8->70 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 Quote-00373.wim.exe 15 2 8->19         started        22 schtasks.exe 1 8->22         started        72 Antivirus detection for dropped file 12->72 74 Multi AV Scanner detection for dropped file 12->74 24 LFIEDblXTqbskp.exe 12->24         started        26 schtasks.exe 12->26         started        28 LFIEDblXTqbskp.exe 12->28         started        signatures6 process7 dnsIp8 76 Loading BitLocker PowerShell Module 14->76 30 conhost.exe 14->30         started        32 WmiPrvSE.exe 14->32         started        34 conhost.exe 17->34         started        52 checkip.dyndns.com 193.122.130.0, 49693, 49699, 80 ORACLE-BMC-31898US United States 19->52 54 reallyfreegeoip.org 104.21.64.1, 443, 49694, 49696 CLOUDFLARENETUS United States 19->54 36 conhost.exe 22->36         started        78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 38 conhost.exe 26->38         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-04-29 15:45:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5ip4mbajpfybeji2dqr53uqqv5xuxxo23u225fkvsyvrg5t2rpq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250429-s7q86stpv8/
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/caf9a109-11eb-49c1-b49b-bb380c919d38
Unpacked files
SH256 hash:
2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f
MD5 hash:
ac062d165d0010ca649db1bb7cbc610f
SHA1 hash:
f439f71862954bbe235d738c5dc8f30380ec76d0
Link:
https://www.unpac.me/results/58b31e92-6cb5-4b39-a3f6-9dade87d482a/
SH256 hash:
d8b0f3a388f8f538ead71013436adb54d434b8a402ed71dfd863496e0ec8a6c4
MD5 hash:
948316788b109f1c32a20bc3d315b882
SHA1 hash:
34053d1c3e83a40a23c179f5ea497fd079fcbf46
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/58b31e92-6cb5-4b39-a3f6-9dade87d482a/
Parent samples :
2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f
4adebc457140bce59984b89557668f9017efb6bc379920625c3b09b2dd88ab9a
SH256 hash:
9149685513e50b7a65eb94b2dc9cf9f302ae8efbd5617c4e3d26b33a96d36635
MD5 hash:
2546122436979dd69cba2238b9a576a4
SHA1 hash:
680654a47165bdb4a40a868214dc65c3e910f2db
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/58b31e92-6cb5-4b39-a3f6-9dade87d482a/
Parent samples :
2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f
4adebc457140bce59984b89557668f9017efb6bc379920625c3b09b2dd88ab9a
SH256 hash:
ef95a02ea91377eb567b7c9a651608e9c2dee8ff798657968a06324ff953c324
MD5 hash:
4db5fd6c530c9f631d1cede7b77314ca
SHA1 hash:
ec0a08c09cbe1fc45f16eb9ebd7fb4a6240b351d
Link:
https://www.unpac.me/results/58b31e92-6cb5-4b39-a3f6-9dade87d482a/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f50fe30204b/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/2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f

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
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 2f50fe30204bcb809128d0e11eee90857b7a5eeed6e9ad74aaacb1589bb3d45f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/5031/

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 (GUARD_CF)high

Comments