MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e
SHA3-384 hash: 844d6646acc6b17884ca6cc307a1d75ad8309bcfea37c3ccc2ee460370daafc514b71c5fbc5a1c331a2fb91e4afb2212
SHA1 hash: 9ee0a180552c24428f2a8ebbd7105793f549807d
MD5 hash: 775ee443e0b8184e2579ad24685459e8
humanhash: fanta-emma-timing-sixteen
File name:46807.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:524'800 bytes
First seen:2025-04-10 06:07:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:IeeBG1YbbSNU5gRuXhPv36SEfrd6eN8q4qy:Iez191RuXdvKSCrMRq
Threatray 297 similar samples on MalwareBazaar
TLSH T143B4128D3B5D5A23C74D0B7BD85758008AF68161D523E36D51DD2EE80EA03DAC98FF8A
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 60e09696f01717e0 (5 x Formbook, 5 x MassLogger, 2 x Neshta)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
480
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
46807.exe
Verdict:
Malicious activity
Analysis date:
2025-04-10 06:09:51 UTC
Tags:
evasion netreactor snake keylogger stealer ims-api generic
Link:
https://app.any.run/tasks/134601db-55b1-4647-a1fc-f65a5ba0ceb2

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/1467/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f7642671beff15dccf1fe2
Tags:
micro xpack msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt obfuscated obfuscated packed packed packer_detected vbnet xpack
Link:
https://www.filescan.io/uploads/67f760482d430c849e10c55b/reports/4bbbb9a4-75ae-4bdf-b46b-cab64cf53ea0/overview
Verdict:
Malicious
Labled as:
HackTool[Obfuscator]/MSIL.DeepSea
Link:
https://www.hybrid-analysis.com/sample/f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c8518c95-d88b-4368-9f10-49378a6947cc
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/1661496
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.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
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: 1661496 Sample: 46807.exe Startdate: 10/04/2025 Architecture: WINDOWS Score: 100 49 reallyfreegeoip.org 2->49 51 checkip.dyndns.org 2->51 53 checkip.dyndns.com 2->53 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 75 12 other signatures 2->75 8 46807.exe 7 2->8         started        12 DyEwIuwqyFh.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) 49->73 process4 dnsIp5 41 C:\Users\user\AppData\...\DyEwIuwqyFh.exe, PE32 8->41 dropped 43 C:\Users\...\DyEwIuwqyFh.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\Temp\tmp634.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\Local\...\46807.exe.log, ASCII 8->47 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 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 powershell.exe 23 8->20         started        22 46807.exe 15 2 8->22         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 DyEwIuwqyFh.exe 12->25         started        27 schtasks.exe 12->27         started        59 127.0.0.1 unknown unknown 14->59 file6 signatures7 process8 dnsIp9 61 Loading BitLocker PowerShell Module 17->61 31 conhost.exe 17->31         started        33 WmiPrvSE.exe 17->33         started        35 conhost.exe 20->35         started        55 checkip.dyndns.com 158.101.44.242, 49712, 49716, 80 ORACLE-BMC-31898US United States 22->55 57 reallyfreegeoip.org 104.21.32.1, 443, 49713, 49718 CLOUDFLARENETUS United States 22->57 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        39 conhost.exe 29->39         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e/
Threat name:
Win32.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-04-10 02:19:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7a3jjbixfzeozwbjup3l65tlhbe545jab2wdjnhdj4reeapapkpa._file
Verdict:
malicious
Label(s):
captiveaaloader
Create hunting rule
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
094c46819bcd5e6fb0d7cc1415452e1ad1654da29a54685ecb8f92c751bb0822
MassLogger
7ac2afbdd0bdfed4481c49171a5c4e814a3ad878b8887fa2594a011620e49b3d
MassLogger
a219e517e4f68db96fa6c7bf2d044b991043884cb1ac1dbd5de22ec5f08ddb00
MassLogger
be80b0abe57cdd9a64525caf9275f4a0f605d807668558e27676a17216c28411
MassLogger
ef31c771e1f44656fdc9e84c3745d8bef369879697c144110edac6b814878ee3
MassLogger
+ 287 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250410-gvxpmsszew/
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/632010c7-1f80-42ad-9762-aa4e89a3eb6a
Unpacked files
SH256 hash:
f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e
MD5 hash:
775ee443e0b8184e2579ad24685459e8
SHA1 hash:
9ee0a180552c24428f2a8ebbd7105793f549807d
Link:
https://www.unpac.me/results/9e57b229-d230-4387-bba2-649723f044af/
SH256 hash:
3afaed684e21f703143ed3ff6ab3d6dde2a31cf87dd5dea6b94467bcbec036c1
MD5 hash:
ca47c6fe4039d4f2f3660243e1391b32
SHA1 hash:
2d02870e955b2697889fecf4ee9ffbce6a43c2f6
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/9e57b229-d230-4387-bba2-649723f044af/
SH256 hash:
aa144f400be61c0167b5fbda26f8e5a4a2e1deef579f3efc2fa09018d9a9bdb2
MD5 hash:
f3d3a6cc19f0faece2aff247690795fd
SHA1 hash:
a8575cc041ad52955be5d04f7047d8d499f6c628
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/9e57b229-d230-4387-bba2-649723f044af/
Parent samples :
f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e
93cc34776484daa2fcc0392c3f98530d2c003e3d32dd90b977983a21c9ddd4e1
07861f62cec0fd9054939fd5a062da7ad01d781a72057dbac6859c068db001d5
3b901702a8dd7143f7c4df9fe2204d48a1e6b795da42d4a2db18f173d7ef90b4
ff5bccafd98ba9bd46b459881d752902794630c891dd98764fc1b51cb25a1aed
b453f0478b081bd826918a4c63d4bf7abaa5b62b3a7129d5d199097adf3592fc
92153eb23f0d42436672367dd42ae049405ce0e7ac78e8c41b8e94a17e128b46
SH256 hash:
26d4e635418a40b08d0da25bfbe0da8d6d92bb19e5482ca7d3762f05350821c8
MD5 hash:
06d3dba5c7bd63fa45eff843e408d104
SHA1 hash:
cba7aea8c775a0522102d71e6705a7ce82e3837e
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/9e57b229-d230-4387-bba2-649723f044af/
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8369485172e/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/f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e

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 f8369485172e48ecd829a3f6bf766b3849de75200eac34b4e34f224201e07a9e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/1467/

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