MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10c341f03698c730a4591d844c0d563f19e4a6b87934b45ff0447bd57808bb32. 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: 10c341f03698c730a4591d844c0d563f19e4a6b87934b45ff0447bd57808bb32
SHA3-384 hash: d052dacf8a5462e73af89fbdc5cd7484a8b562d4dac7cdca8a882766caaa4b235fb6997f20fd141b28aa2c5e2a727d73
SHA1 hash: d5ec13f0557cfc3ae3fcf7fe9125728e184b9c55
MD5 hash: dd52e69ea27c00f73baee5136fd7df20
humanhash: eight-four-finch-twenty
File name:kMa26x6J7z8JlJ3.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'079'808 bytes
First seen:2020-07-17 05:29:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:le91u/2d4X41p0Ft9Z10qCbyToO9HtjBL6:EndZYtlCdQ1
Threatray 4'734 similar samples on MalwareBazaar
TLSH 6A35CFD87520B48EC81E8E724EA4DC309B202C66F6F7D10A63C73E9B793D597EA15172
Reporter JAMESWT_WT
Tags:MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/27201/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.32383.32048.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388936
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 harvest and steal browser information (history, passwords, etc)
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246658 Sample: kMa26x6J7z8JlJ3.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 7 other signatures 2->41 7 kMa26x6J7z8JlJ3.exe 5 2->7         started        process3 file4 21 C:\Users\user\AppData\...\ObycYWVSEwck.exe, PE32 7->21 dropped 23 C:\Users\...\ObycYWVSEwck.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp7F22.tmp, XML 7->25 dropped 27 C:\Users\user\...\kMa26x6J7z8JlJ3.exe.log, ASCII 7->27 dropped 43 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->43 45 Injects a PE file into a foreign processes 7->45 11 kMa26x6J7z8JlJ3.exe 15 6 7->11         started        15 schtasks.exe 1 7->15         started        17 kMa26x6J7z8JlJ3.exe 7->17         started        signatures5 process6 dnsIp7 29 mail.privateemail.com 198.54.122.60, 49732, 587 NAMECHEAP-NETUS United States 11->29 31 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.213.140, 49731, 80 AMAZON-AESUS United States 11->31 33 2 other IPs or domains 11->33 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 19 conhost.exe 15->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/10c341f03698c730a4591d844c0d563f19e4a6b87934b45ff0447bd57808bb32/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 00:55:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cdbud4bwtddtbjczdwceydkwh4m6jjvype2lix7qir55k6aixmza._file
Verdict:
malicious
Similar samples:
1db65284dd73545215b9db3834b16709bf5bf5c33a417c38a205d09317cd6d0d
MassLogger
55be6c73b00189e473ef23d8693ab34f8eeec82c46ed27ee5b3e88944334aaf9
MassLogger
7029f74bfaf5637a25dad61b7a7462141833886ac9637790d0fdaf7e72d84a3f
MassLogger
8435871f09b1ba4c78f547c3bda0c509e426601221f60b455f6b6cb9d8a2f1ce
MassLogger
a77e9393c4000e96d483a677574a78f004e87837013f7bd1414567d436014b6e
MassLogger
c6117524f5e25ef7de2eaa1e4693be4f0ebdc1548b3a8b170f96c4b1aeeb57c2
MassLogger
cae8cc4a40faf9c3474f86baf427e7eb1c63c4d75afec8a99da5f616752ffbdd
MassLogger
dccd0903a7912382f20b16beb29d93c14435e41ee655c2e88740879089d56fca
MassLogger
f8b4f7113aa0d1a2c45da336f44aa6f3aac6ccceb9e1251842fdc086b1f33eef
MassLogger
f9a12bd3805ccb30888cf55b8145dcbdeb64ecab5cc2be9d1ab831585ee2831b
MassLogger
+ 4'724 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/200717-749prhvlfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
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.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/10c341f03698c730a4591d844c0d563f19e4a6b87934b45ff0447bd57808bb32

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 10c341f03698c730a4591d844c0d563f19e4a6b87934b45ff0447bd57808bb32

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/413837/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/27201/

Comments