MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c55adee81431d43a726c2b55b4153d234782a0c2ca454a4ef55527d41d86fdb6. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c55adee81431d43a726c2b55b4153d234782a0c2ca454a4ef55527d41d86fdb6
SHA3-384 hash: b006f6b4690042cf1f3f7e6d052107e07f57ab7f540a4a32a3a06b75a3212564bcf66be9fc26ac8ef568ffe22786c187
SHA1 hash: c034d2102c448315fd53719688865aa095c7bbb6
MD5 hash: 40927a683b5c7807a0907331067236ac
humanhash: illinois-three-connecticut-march
File name:PDF 4752646.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'028'096 bytes
First seen:2020-07-16 15:46:22 UTC
Last seen:2020-07-16 16:56:30 UTC
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:KTIk2k4zUWI/Xk4UDX9oRIdW0vPJbIxorKQWJF1On79iNGDeVMJyf8hJF8tzvlee:cIEvUDfXPJbI0IJdMen8hAt
Threatray 1'866 similar samples on MalwareBazaar
TLSH D125E0DC3950719EC94E8D768A94DD30AA106C66F3FBD20393C32E9F793D996DE041A2
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Ispy
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26879/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.34181628.24667.12663.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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388688
Signature
Deletes itself after installation
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246518 Sample: PDF 4752646.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 6 other signatures 2->39 8 PDF 4752646.exe 5 2->8         started        process3 file4 25 C:\Users\user\AppData\Roaming\slGTSB.exe, PE32 8->25 dropped 27 C:\Users\user\...\slGTSB.exe:Zone.Identifier, ASCII 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmpF26C.tmp, XML 8->29 dropped 31 C:\Users\user\AppData\...\PDF 4752646.exe.log, ASCII 8->31 dropped 43 Injects a PE file into a foreign processes 8->43 12 PDF 4752646.exe 3 8->12         started        14 schtasks.exe 1 8->14         started        signatures5 process6 process7 16 cmd.exe 1 12->16         started        18 conhost.exe 14->18         started        process8 20 powershell.exe 15 16->20         started        23 conhost.exe 16->23         started        signatures9 41 Deletes itself after installation 20->41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c55adee81431d43a726c2b55b4153d234782a0c2ca454a4ef55527d41d86fdb6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 06:12:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvnn52aughkdu4tmfnk3ifj5endyfigczjcuutxvkut5ihmg7w3a._file
Verdict:
malicious
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MassLogger
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75bf8cf9e7b9b06f08396a6d6ecf3bca428c00cd79e4b9bf6e56619b67d7c4de
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8210f4c4fedbca54d332df8d9e672cef8a4424695c2ffce581bf526a1537be27
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e8917cab54dca8c56976f8fa973521d58d0fc5abc196906a2aaee1e31c8b007c
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f32433910c4e4cfc2c310279138f0c977abdb9878661781bf28c752b15b92df7
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f96a186d42be8ee969291167ad5f02198788ce013945bf13e02ee13ce4454049
MassLogger
+ 1'856 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/200716-xfx33w7swn/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
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
MassLogger log file
Please note that we are no longer able to provide a coverage score for Virus Total.

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

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/26879/

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