MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca9c301658fdb13e13f150a15e35349aac1ad323061965c6a2f1280438e9b139. 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: ca9c301658fdb13e13f150a15e35349aac1ad323061965c6a2f1280438e9b139
SHA3-384 hash: b6a08d5bdc274215aab36e73094caba62a0dec8c10e2e5afd3000a8eee23f85a0e953d6b780439009652ca6c2dd6bec4
SHA1 hash: d981351ec022b855076e9719853861d143b1ca88
MD5 hash: b2a2b133a7e7f9a34b56554e3ff05af5
humanhash: harry-summer-wyoming-chicken
File name:b2a2b133a7e7f9a34b56554e3ff05af5.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'305'600 bytes
First seen:2020-09-02 15:06:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c16adc9f6b07c8ee5c90d22d50952d1c (7 x MassLogger, 1 x AgentTesla, 1 x Formbook)
ssdeep 24576:boYHyzf8WEE0us0U5xDO/m+tp59jg9/c5Al36mh7s4+Ou8no0DKQshNhCKGEb:8CcFEE0Px21p7gG5YBVy2ChNhBGEb
Threatray 2'051 similar samples on MalwareBazaar
TLSH 9055E1E3B1D1D837D16316789D1B97B4AC2ABE106924A8862BF4CC4CDF397913E35293
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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 in the %temp% subdirectories
Reading critical registry keys
Moving a file to the %temp% subdirectory
Sending a custom TCP request
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/457630
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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)
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: 281202 Sample: 7vD3RB6w98.exe Startdate: 02/09/2020 Architecture: WINDOWS Score: 100 78 Antivirus / Scanner detection for submitted sample 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 Yara detected MassLogger RAT 2->82 84 8 other signatures 2->84 10 7vD3RB6w98.exe 2->10         started        13 wscript.exe 1 2->13         started        process3 signatures4 96 Writes to foreign memory regions 10->96 98 Allocates memory in foreign processes 10->98 100 Queues an APC in another process (thread injection) 10->100 102 Contains functionality to detect sleep reduction / modifications 10->102 15 notepad.exe 5 10->15         started        19 gkjhhfh.exe 13->19         started        process5 file6 46 C:\Users\user\AppData\Roaming\...\gkjhhfh.exe, PE32 15->46 dropped 48 C:\Users\user\...\gkjhhfh.exe:Zone.Identifier, ASCII 15->48 dropped 50 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 15->50 dropped 70 Creates files in alternative data streams (ADS) 15->70 72 Drops VBS files to the startup folder 15->72 21 gkjhhfh.exe 15->21         started        74 Maps a DLL or memory area into another process 19->74 24 gkjhhfh.exe 4 19->24         started        27 gkjhhfh.exe 19->27         started        signatures7 process8 dnsIp9 88 Antivirus detection for dropped file 21->88 90 Multi AV Scanner detection for dropped file 21->90 92 Detected unpacking (changes PE section rights) 21->92 94 6 other signatures 21->94 29 gkjhhfh.exe 21->29         started        31 gkjhhfh.exe 15 8 21->31         started        52 mail.privateemail.com 198.54.122.60, 49745, 49750, 587 NAMECHEAP-NETUS United States 24->52 54 nagano-19599.herokussl.com 24->54 56 2 other IPs or domains 24->56 signatures10 process11 dnsIp12 35 gkjhhfh.exe 29->35         started        64 elb097307-934924932.us-east-1.elb.amazonaws.com 54.197.225.198, 49732, 49743, 80 AMAZON-AESUS United States 31->64 66 nagano-19599.herokussl.com 31->66 68 api.ipify.org 31->68 76 Tries to steal Mail credentials (via file access) 31->76 38 WerFault.exe 23 9 31->38         started        signatures13 process14 signatures15 86 Maps a DLL or memory area into another process 35->86 40 gkjhhfh.exe 35->40         started        process16 dnsIp17 58 54.235.136.99, 49747, 80 AMAZON-AESUS United States 40->58 60 nagano-19599.herokussl.com 40->60 62 3 other IPs or domains 40->62 44 C:\Users\user\AppData\Local\Temp\...\Log.txt, ASCII 40->44 dropped file18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca9c301658fdb13e13f150a15e35349aac1ad323061965c6a2f1280438e9b139/
Threat name:
Win32.Trojan.DelfInject
Create hunting rule
Status:
Malicious
First seen:
2020-09-02 15:08:09 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkodafsy7wyt4e7rkcqv4njutkwbvuzdaymwlrvc6euaiohjwe4q._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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MassLogger
+ 2'041 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Link:
https://tria.ge/reports/200902-fwzn9kbv8x/
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
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/ca9c301658fdb13e13f150a15e35349aac1ad323061965c6a2f1280438e9b139

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 ca9c301658fdb13e13f150a15e35349aac1ad323061965c6a2f1280438e9b139

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/412465/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/54429/

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