MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a4c19d061f37cadbd360a95a3167e980535706cd300af79b6ff4053f8ea02cc. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a4c19d061f37cadbd360a95a3167e980535706cd300af79b6ff4053f8ea02cc
SHA3-384 hash: 3650d79b161d9622c6afc34fd43e6ff45c1d33f5496c5077dee5c9ee78a95a1b631403e00c270376bdbc1ad519f7d251
SHA1 hash: 030f814a7da1dfbe83115e96545223ab28b16a55
MD5 hash: 53845222e6beee30d72a6b7801bd4d29
humanhash: four-five-cold-massachusetts
File name:sainto.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:776'192 bytes
First seen:2020-07-25 15:35:21 UTC
Last seen:2020-07-25 16:47:53 UTC
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:Lh+/4l2NbFOIrfMtzttaHwrivuF/BeNAt//5t5uXu35vOtUATHtD4Ai4HaO:L8XNFPrfMtztsHiVeNQ//5PPhGNV4Aiw
Threatray 679 similar samples on MalwareBazaar
TLSH A3F49D36BA9DCA21C2CD0B36C4E75D0053A5AA8757A7F70F368503D62D433EDE84AD62
Reporter 0xThiebaut
Tags:MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Variant.Razy.714674.25847.9508.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading Telegram data
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Deleting a recently created file
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/397955
Signature
Binary contains a suspicious time stamp
Found malware configuration
Machine Learning detection for sample
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a4c19d061f37cadbd360a95a3167e980535706cd300af79b6ff4053f8ea02cc/
Threat name:
ByteCode-MSIL.Trojan.BMassKeyLogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-25 15:37:04 UTC
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjgbtudb6n6k3pjwbkk2gft6tactk4dm2mak66nw75afh6hkalga._file
Verdict:
unknown
Similar samples:
0c1d8cac8cfb4595fecf65abe0a296e1c9d4fab6be41a2d33e1c615144e5c7a0
MassLogger
33bbefb4d3bb2a66e713a55da6b852df10241fb371ebda3e5a39a761bacca0b3
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4882ceb8e3f4b34b1446518b39b4d878f59c3ef27124e38aefd67faa9200e127
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57b56569fafe3fc9833c76364bef0b53aae2410427dfddd0b3dd18bb151cf465
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5eb03557bea836689fd85bc82912388cce5771e2f85696c82357462534c1d3c6
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75a6581d60198c4910011fdb2c732679635b35ed28db20f9d3483c89efb26db6
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8b1dca219122f7fb445edb2665d3bb2dac8983e61c380e15fc8e76087503ef84
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8c89e18a5767f56e3809bcd83d1ed5bc6ae92e4f448b1b37fcd7d928034d35b6
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c6117524f5e25ef7de2eaa1e4693be4f0ebdc1548b3a8b170f96c4b1aeeb57c2
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edd4ed935c2607a173722c89b329ad9dbc39d1a6204fa8ed22987f5df7955838
MassLogger
+ 669 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Link:
https://tria.ge/reports/200725-4788888j6a/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Spyware
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/8a4c19d061f37cadbd360a95a3167e980535706cd300af79b6ff4053f8ea02cc

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:masslogger_gcch
Create hunting rule
Author:govcert_ch
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.

A41EB5D0A9AEF48BD285EA10BB674ACD7A718263A2C8A10FFF570BF83A7E35FE

MassLogger

Executable exe 8a4c19d061f37cadbd360a95a3167e980535706cd300af79b6ff4053f8ea02cc

(this sample)

  
Dropped by
SHA256 A41EB5D0A9AEF48BD285EA10BB674ACD7A718263A2C8A10FFF570BF83A7E35FE
  
Dropped by
SHA256 7F2869B5F4B1B395FD1540FB2E7BA8C83688D86DEDF3A0373FA017485AB44F05
  
Dropped by
SHA256 B53C09CCDF6D5AD8EDBF0E5B5F3196531EB7BC32914FF2A8AD5C999F51CB8B33
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/32363/

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