MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a73985784fd11ed9276d875521a98618001f232d756f3290b694466c16123a46. 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: a73985784fd11ed9276d875521a98618001f232d756f3290b694466c16123a46
SHA3-384 hash: 448578f725758cde4ceb3c367342873581169e7afe6ff99856f7ebb21ac1b0955d30ccb86480f7edbd5eb57f8ce1dc5f
SHA1 hash: 967c4a4fe15ce10bcf1ab65bab7e2ec49eab6e01
MD5 hash: 5f44fff7c752fef03cbf05d1304279be
humanhash: edward-missouri-oven-kentucky
File name:TPN Letter of Demand. Client Request.PDF.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'074'688 bytes
First seen:2020-08-07 13:28:09 UTC
Last seen:Never
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:ZJ9LQdlDNxz3Imam3LMNRIa7FFwdPcqo+FfUvZdjmz5hkVYB2KjO+TYrHJ:ZJ2d5YK3cRIIFFwdUqo+huGyKJlTYN
Threatray 842 similar samples on MalwareBazaar
TLSH 3D358E3A7983447EC82D52BCA439D9C2F6607A4E3F628A1E61DB534CAF4396F770604D
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: host.qualifairs.com
Sending IP: 85.25.130.41
From: collection@tpn.co.za
Subject: [TPN] Letter of Demand
Attachment: TPN Letter of Demand. Client Request.PDF.gz (contains "TPN Letter of Demand. Client Request.PDF.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/41660/
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/415325
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a73985784fd11ed9276d875521a98618001f232d756f3290b694466c16123a46/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 13:30:08 UTC
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u44yk6cp2epnsj3nq5ksdkmgdaab6iznovxtfefwsrdgyfqshjda._file
Verdict:
unknown
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15ac6b1a7fdb92b545dae44b1a88d6328629944771bdce75002637cdbf299027
MassLogger
175dc1ef3ca07f65986afd11a9ee79ba66d92e8bb2ab11ae0fc2a8a06f630f78
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420541ff7ab7f97d2110f9c2f2488087c0d2f9e577fa5e55c73eebf4f5416bbc
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61ec5ccd0f1a6f9ef49ca93d9ee6aab8bfcb85ff06a7e5056375dbc994304ae2
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725cf95ae383693e9d93b749eae3f529fb3df6545d44afb6da70425c6c74a06d
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72bc51445d960d638c96f46057b76b5200ed88009ef44d767e870e56d7c562aa
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dd22ddd3720b67b66c945d706c20a70b839499521bf4beb84626c500623975cc
MassLogger
edd4ed935c2607a173722c89b329ad9dbc39d1a6204fa8ed22987f5df7955838
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fbb99e9576db212b02fd60fc214d3cd9faa9f2f019103ea8dc1aec8424bd4ba7
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fc03d41d9bac8d78e1d829039f24f2f7066ded44a70c4126045c553015bbe957
MassLogger
+ 832 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Link:
https://tria.ge/reports/200807-85cpd21682/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetThreadContext
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:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/a73985784fd11ed9276d875521a98618001f232d756f3290b694466c16123a46

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.

Malspam

MassLogger

gz 2a8545d3fd1bd5a35b19a76c3e6e454623bac3893cf1bbcc8bd950ca627db1e8

MassLogger

Executable exe a73985784fd11ed9276d875521a98618001f232d756f3290b694466c16123a46

(this sample)

  
Dropped by
MD5 6fca01996fd401874ec31c38041b5099
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/41660/
  
Dropped by
SHA256 2a8545d3fd1bd5a35b19a76c3e6e454623bac3893cf1bbcc8bd950ca627db1e8

Comments