MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc8e79ce79d0078b6483062f8fc8d187f5fdcf92c9f51db25551a19d22af0a87. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc8e79ce79d0078b6483062f8fc8d187f5fdcf92c9f51db25551a19d22af0a87
SHA3-384 hash: 66ff96d1e30d0fd212fbae0fc7102cf707b79b710e7a53b0413f4d87ec11a99b5cd3406015049d04fe3b12461639e643
SHA1 hash: 799e1b2ef621a47a756a7542d44675cf84e0fba8
MD5 hash: 3be1e88b82706b6f653619e9619fe218
humanhash: spaghetti-three-single-east
File name:3be1e88b82706b6f653619e9619fe218.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'237'504 bytes
First seen:2020-11-18 10:59:53 UTC
Last seen:2020-11-18 13:20:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:e1+kUjnUpXn0JaiGrEeutBUHPS66nqBbuWP+GNdkLi9gb+jYWU72OfIhd34PaoQK:e1L10sEtQS66irza+UVjfIj4AYaMFFf
Threatray 529 similar samples on MalwareBazaar
TLSH 06454CF450AE64A2F25F456666ADBDE802B2B183DBCB5D4C037CF6710ABB7527E0180D
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.DownLoader35.50491.27016.32619.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Deleting of the original file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/540860
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 319530 Sample: RTLOoGgh7e.exe Startdate: 18/11/2020 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected MassLogger RAT 2->45 47 7 other signatures 2->47 8 RTLOoGgh7e.exe 1 4 2->8         started        12 firrefox.exe 2->12         started        14 firrefox.exe 1 2->14         started        process3 file4 35 C:\Users\user\AppData\...\firrefox.exe, PE32 8->35 dropped 37 C:\Users\...\firrefox.exe:Zone.Identifier, ASCII 8->37 dropped 39 C:\Users\user\AppData\...\RTLOoGgh7e.exe.log, ASCII 8->39 dropped 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->51 53 Injects a PE file into a foreign processes 8->53 16 RTLOoGgh7e.exe 2 8->16         started        18 firrefox.exe 2 12->18         started        20 firrefox.exe 2 14->20         started        signatures5 process6 process7 22 powershell.exe 18 16->22         started        25 powershell.exe 18->25         started        27 powershell.exe 7 20->27         started        signatures8 49 Deletes itself after installation 22->49 29 conhost.exe 22->29         started        31 conhost.exe 25->31         started        33 conhost.exe 27->33         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc8e79ce79d0078b6483062f8fc8d187f5fdcf92c9f51db25551a19d22af0a87/
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Create hunting rule
Status:
Malicious
First seen:
2020-11-17 06:45:53 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zshhtttz2adywzedayxy7sgrq7273t4szh2r3msvkgqz2ivpbkdq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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0a6447ca302af67b351842f078f0462cf33c95d587da76e220322cd9bd9803a3
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265c93af05ea076407228de4cdfecc5e4052273610d35021afd1d0e72c81bb92
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6030faadae8d2aa1b94b06da9c0d4ed3ce33076a1bc04218027519b1043a6a95
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ba4e39e16f3599f9bfe3b5dd1664e0d071d2dfeb308e9380778c8360495f61d5
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f83ad58372165b89222b164f3da6a0b4edad02409d13df77e713ad860a6489e4
MassLogger
+ 519 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Link:
https://tria.ge/reports/201118-ydrvnet77x/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
cc8e79ce79d0078b6483062f8fc8d187f5fdcf92c9f51db25551a19d22af0a87
MD5 hash:
3be1e88b82706b6f653619e9619fe218
SHA1 hash:
799e1b2ef621a47a756a7542d44675cf84e0fba8
Link:
https://www.unpac.me/results/a2682226-ff52-48b2-b521-ae5fbebaac6f/
SH256 hash:
5fbe530108762283d2c95ea17faf9acb705451c16e396696640e110f6239dd7b
MD5 hash:
e67bf04ac36a9156f668e76bb5c4f46f
SHA1 hash:
3e81906d2cac0f98a03b50d912b415b7b964af44
Link:
https://www.unpac.me/results/a2682226-ff52-48b2-b521-ae5fbebaac6f/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/a2682226-ff52-48b2-b521-ae5fbebaac6f/
SH256 hash:
9fa4bd192773dfc684e2d0d7a15054220a2c3a4418d2a46c1e245f34ba88fa85
MD5 hash:
2590b65af13e5325d936c62743e003ea
SHA1 hash:
ed3c2da29c2f623aa9769ee822c5263434a61acc
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/a2682226-ff52-48b2-b521-ae5fbebaac6f/
Parent samples :
6030faadae8d2aa1b94b06da9c0d4ed3ce33076a1bc04218027519b1043a6a95
cc8e79ce79d0078b6483062f8fc8d187f5fdcf92c9f51db25551a19d22af0a87
5b32ffc4c10114b55115da9f2c6e4ee22222f5d305552daf00a287b82d66c9dc
2d72381a89f07ac880d001d5cec532b9900db1030fc269687752863174fab88f
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Web download

MassLogger

Executable exe cc8e79ce79d0078b6483062f8fc8d187f5fdcf92c9f51db25551a19d22af0a87

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/828951/
  
Delivery method
Distributed via web download

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