MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
SHA3-384 hash: d41a3b12a24eaff5d4e1eddab7cc29b590202c5683fbfb3985f25c5c381635be4429b2261c2d9b7bf0ae6d4e6cf63e91
SHA1 hash: dcea649bcc9ef8860d99d8e5177999c86d573f43
MD5 hash: 633666f89989893c93ed09495b8e7654
humanhash: eight-river-sodium-floor
File name:FİYAT TEKLİF İSTEĞİ_xlsx.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:838'144 bytes
First seen:2024-11-05 09:29:31 UTC
Last seen:2024-11-11 10:46:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:vwX2viWoHLlbxyO9vrws43UasBY8y8hPDEvw/ceyFi/2icuFeA:vwmKWo5VyOFwsIsBjdDx7ykOyFeA
Threatray 4'303 similar samples on MalwareBazaar
TLSH T19405ACC03A3A7B19DE7867F18A29DDB503B51A68B415FAE65DCE77C33098B015A08F03
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 threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
4
# of downloads :
391
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FİYAT TEKLİF İSTEĞİ_xlsx.exe
Verdict:
No threats detected
Analysis date:
2024-11-05 09:30:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fd3a24c5-01bb-47a5-b079-f1b5438deaae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.20724.30007.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6729e59e8d23d9049133a44e
Tags:
powershell underscore
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
Result
Verdict:
UNKNOWN
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/0ce3e461-b2cb-476d-8aca-f17ff58beda1
Result
Threat name:
MassLogger RAT, Snake Keylogger, VIP Key
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1549094
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected MassLogger RAT
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549094 Sample: F#U0130YAT TEKL#U0130F #U01... Startdate: 05/11/2024 Architecture: WINDOWS Score: 100 52 reallyfreegeoip.org 2->52 54 api.telegram.org 2->54 56 2 other IPs or domains 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 68 16 other signatures 2->68 8 F#U0130YAT TEKL#U0130F #U0130STE#U011e#U0130_xlsx.exe 7 2->8         started        12 VxLfeLRv.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 52->64 66 Uses the Telegram API (likely for C&C communication) 54->66 process4 file5 38 C:\Users\user\AppData\Roaming\VxLfeLRv.exe, PE32 8->38 dropped 40 C:\Users\...\VxLfeLRv.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp2335.tmp, XML 8->42 dropped 44 F#U0130YAT TEKL#U0...#U0130_xlsx.exe.log, ASCII 8->44 dropped 70 Adds a directory exclusion to Windows Defender 8->70 72 Injects a PE file into a foreign processes 8->72 14 powershell.exe 23 8->14         started        17 F#U0130YAT TEKL#U0130F #U0130STE#U011e#U0130_xlsx.exe 15 2 8->17         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 24 VxLfeLRv.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 78 Loading BitLocker PowerShell Module 14->78 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        46 api.telegram.org 149.154.167.220, 443, 49766, 49776 TELEGRAMRU United Kingdom 17->46 48 checkip.dyndns.com 193.122.6.168, 49733, 49738, 49739 ORACLE-BMC-31898US United States 17->48 50 reallyfreegeoip.org 188.114.96.3, 443, 49734, 49736 CLOUDFLARENETUS European Union 17->50 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        80 Tries to steal Mail credentials (via file / registry access) 24->80 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-11-05 08:22:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6isbgffimapdzfk7s3szenahuffnvrr4pwxeyofjr2b6cwst3ppa._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
vipkeylogger
Create hunting rule
Similar samples:
26031e5d2026ed2a718c80fbbfa8e7c86b2d8b7e35a28e02b6bedd7ba63393cd
MassLogger
a1777be6284799cc06a9d9072f4f3d2181287fb7770cbd7dbfb5bbd7d031dc30
MassLogger
ab8953a3cb88e1a5f5416f535c8857eba7062a741a527f7fed5274802d90d4f7
MassLogger
b4809d12158679aa7f01db86c54fa984305c8521a499b405ee130c5d91ed6540
MassLogger
error
MassLogger
f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
MassLogger
+ 4'293 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/241105-lgghqa1mfq/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8b13cb0f-754c-438e-8080-f2e3c8dc2268
Unpacked files
SH256 hash:
e1557713ec59856d00ade1994862f6995137b234626b1f61d8c7d86cd530190a
MD5 hash:
bd7ee17993181beae934effac56ef77d
SHA1 hash:
5867d7def7f2eba5767e3c524a05d5650221f339
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Link:
https://www.unpac.me/results/4ebcfb90-5ac3-4a27-abaf-f5d533efcd5b/
Parent samples :
61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0
18a2d62cc5a151ec2c53c054572a0c762f4f7d6ed600526823a474498942a770
c4fcfe21455f3aa808eafdc8d0454c72019de3a104e518fc9f059335b4dc6202
a0a21dd376537c79ac0be99488eef94cf21475cd98de2c6cee0094a8fd52cdc0
c3bc0f624964efbdb410648c80ed1357b28f293ce0d0c7602fcae852e37ad918
08fc3b1fd5055344609064d31139e4a8e1c26d8c5d353b1ca97b4148f03d8823
3dcbee6ee102a689e41b9198c27fceed7962f5ce3861721032898e5771087d50
fb1087f5ae803f42c462f64d69e98d93fde21279c9f0be092c38c91caa20825f
f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc
7bd9596f753e58ba917ba418c191af8fcb9b537e73ee6a86989960099585394f
ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a
SH256 hash:
ab42427f080ae773255d18d5ae6e119a065da581e8cee8706b2cd0602d30749e
MD5 hash:
fe7ddd18717d94a232500d964ec343eb
SHA1 hash:
4a45bc262a0ad23123c52f2e919f1ce0f10768d4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4ebcfb90-5ac3-4a27-abaf-f5d533efcd5b/
SH256 hash:
62608d8cdeb5696badebe01e87cb426e4cf6d098c988364a18091a1aeddbdcb7
MD5 hash:
311ba07a5ae433d7fc997540f393328c
SHA1 hash:
493b569dcb2f1d32f67c89e0bfdf4f3e94742a1c
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/4ebcfb90-5ac3-4a27-abaf-f5d533efcd5b/
SH256 hash:
f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde
MD5 hash:
633666f89989893c93ed09495b8e7654
SHA1 hash:
dcea649bcc9ef8860d99d8e5177999c86d573f43
Link:
https://www.unpac.me/results/4ebcfb90-5ac3-4a27-abaf-f5d533efcd5b/
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/f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde

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: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

File information

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

Malspam

MassLogger

Executable exe f2241314a8601e3c955f96e5923407a14adac63c7dae4c38a98e83e15a53dbde

(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

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