MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b19282002827e79de69904654d2852c4dbee6d178fb4936fb4b37ce9972b7ef. 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: 6b19282002827e79de69904654d2852c4dbee6d178fb4936fb4b37ce9972b7ef
SHA3-384 hash: 6d13f592e358f4953dd2e3e6c4366f0762585fda92ac9a29d179db7c64419a299ba68310e27a2077a18a9ef4916d251b
SHA1 hash: 32b9288079e36d57bf433042fc720d7e99656fe6
MD5 hash: a3eb0154d5d088895dee299a2f6eaea6
humanhash: yellow-foxtrot-east-wyoming
File name:a3eb0154d5d088895dee299a2f6eaea6.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'125'888 bytes
First seen:2020-09-10 14:42:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 45840f814edda0042bedaf461a5fa81d (4 x AgentTesla, 4 x MassLogger)
ssdeep 24576:Bf6i/qCkxpT62aLtL4neZyZukL5yMZ4ZrDlzCVdBdPd:B5s13ZukL5RZYETdl
TLSH B235BF62B2E08873D1B2163D9C1B52B49926FD512E387B462BF4EDCC4EF868139352D7
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58472/
Detection(s):
SecuriteInfo.com.Variant.Graftor.827538.16778.1066.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/463354
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284077 Sample: vvZtNrhbvw.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 51 Yara detected MassLogger RAT 2->51 53 Yara detected AntiVM_3 2->53 55 Sigma detected: Drops script at startup location 2->55 57 4 other signatures 2->57 8 vvZtNrhbvw.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 67 Writes to foreign memory regions 8->67 69 Allocates memory in foreign processes 8->69 71 Queues an APC in another process (thread injection) 8->71 73 Contains functionality to detect sleep reduction / modifications 8->73 13 notepad.exe 5 8->13         started        17 bishfhks.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\bishfhks.exe, PE32 13->33 dropped 35 C:\Users\...\bishfhks.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\win.vbs, ASCII 13->37 dropped 77 Creates files in alternative data streams (ADS) 13->77 79 Drops VBS files to the startup folder 13->79 19 bishfhks.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 bishfhks.exe 17->22         started        25 bishfhks.exe 17->25         started        signatures7 process8 dnsIp9 59 Detected unpacking (changes PE section rights) 19->59 61 Detected unpacking (creates a PE file in dynamic memory) 19->61 63 Detected unpacking (overwrites its own PE header) 19->63 65 4 other signatures 19->65 27 bishfhks.exe 15 6 19->27         started        31 bishfhks.exe 19->31         started        39 54.204.14.42, 49736, 80 AMAZON-AESUS United States 22->39 41 nagano-19599.herokussl.com 22->41 43 2 other IPs or domains 22->43 signatures10 process11 dnsIp12 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.136.99, 49727, 80 AMAZON-AESUS United States 27->45 47 nagano-19599.herokussl.com 27->47 49 api.ipify.org 27->49 75 Tries to steal Mail credentials (via file access) 27->75 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b19282002827e79de69904654d2852c4dbee6d178fb4936fb4b37ce9972b7ef/
Threat name:
Win32.Trojan.DelfInject
Create hunting rule
Status:
Malicious
First seen:
2020-09-10 14:44:07 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nmmsqiacqj7htxtjsbdfjuuffrg35zwrpd5usnx3jm345glsw7xq._file
Verdict:
unknown
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Link:
https://tria.ge/reports/200910-yp493w45tj/
Behaviour
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
MassLogger
MassLogger log file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b19282002827e79de69904654d2852c4dbee6d178fb4936fb4b37ce9972b7ef

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.

Web download

MassLogger

Executable exe 6b19282002827e79de69904654d2852c4dbee6d178fb4936fb4b37ce9972b7ef

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/410915/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/58472/

Comments