MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cae8cc4a40faf9c3474f86baf427e7eb1c63c4d75afec8a99da5f616752ffbdd. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cae8cc4a40faf9c3474f86baf427e7eb1c63c4d75afec8a99da5f616752ffbdd
SHA3-384 hash: 5f7f333c593b874e264a047f28b1330d1055346548960e49889ff5c0d287e05f5b00aa54bfb1bd869d08b86e5c0b9981
SHA1 hash: af270a144aef9a0d5980145cce1b1da85e01ba99
MD5 hash: 18f6ab98738f44d74daac1af263a1b9a
humanhash: ceiling-venus-oven-one
File name:SbTmThupmtYXoBr.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'067'520 bytes
First seen:2020-07-17 05:27:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:B3gh2k4zUviOFeSuqTxI+2kMnSbjfJfdYSGVbVnyYp7o7iK4i0zlleFLj47OYIIf:B368qflJfmSGVb5jK4zzx
Threatray 4'341 similar samples on MalwareBazaar
TLSH C935BEDD7610B2AFC40E8D764A51DC30AA206D62F6F7D20273C33E9F793D696CA541A2
Reporter JAMESWT_WT
Tags:MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.17898.7312.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388924
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cae8cc4a40faf9c3474f86baf427e7eb1c63c4d75afec8a99da5f616752ffbdd/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 22:06:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zlumyssa7l44gr2pq25pij7h5moghrgxll7mrkm5ux3bm5jp7poq._file
Verdict:
malicious
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10c341f03698c730a4591d844c0d563f19e4a6b87934b45ff0447bd57808bb32
MassLogger
12c7ff58c14c67fa84752c1b136860c7c621ccf8cd947183f6b1c918b4c8c737
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1db65284dd73545215b9db3834b16709bf5bf5c33a417c38a205d09317cd6d0d
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55be6c73b00189e473ef23d8693ab34f8eeec82c46ed27ee5b3e88944334aaf9
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7029f74bfaf5637a25dad61b7a7462141833886ac9637790d0fdaf7e72d84a3f
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8435871f09b1ba4c78f547c3bda0c509e426601221f60b455f6b6cb9d8a2f1ce
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a77e9393c4000e96d483a677574a78f004e87837013f7bd1414567d436014b6e
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bfc3d6d12ca4a76297cf920edbdfe491c6be14e42e6b9c0722ff5efb5bfb6377
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f8b4f7113aa0d1a2c45da336f44aa6f3aac6ccceb9e1251842fdc086b1f33eef
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fe6e78fc04cc85915c056447a608233c7094caf911cc8de0e0491184cdaf056b
MassLogger
+ 4'331 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/200717-wr6atb3t82/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
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:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cae8cc4a40faf9c3474f86baf427e7eb1c63c4d75afec8a99da5f616752ffbdd

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:masslogger_gcch
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.

Web download

MassLogger

Executable exe cae8cc4a40faf9c3474f86baf427e7eb1c63c4d75afec8a99da5f616752ffbdd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/413826/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/27195/

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