MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7a054a2651fe89cdb48c590a10eff889b09511e408e1bc16d04e07b437b1955. 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: f7a054a2651fe89cdb48c590a10eff889b09511e408e1bc16d04e07b437b1955
SHA3-384 hash: 7502835d11ec6caf82978706bd34ed96ae1c36c7ff58fc0fc5d61ed17db34bc32bf0b6f4e48b8923733ecc713893efe1
SHA1 hash: 015e89f046fcf5888a4dcb3ba73ffd7c8b8487a3
MD5 hash: 103d0b5268c5a57ffce8ad9c369c319e
humanhash: pip-california-sixteen-massachusetts
File name:103d0b5268c5a57ffce8ad9c369c319e.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:974'336 bytes
First seen:2020-08-03 06:50:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 831ec412be4cd06baa632b18086fedb4 (12 x AgentTesla, 6 x MassLogger, 6 x Loki)
ssdeep 12288:/ZnVKDTViiHWs0H/3b6Wx/wtmqOFOUW3WB2EoJGcs2OTkMmtpVLpkXFXn3205a68:d44isf3bXot2CWpoBsXjopVLp632+w
Threatray 2'136 similar samples on MalwareBazaar
TLSH CA25C062B2F05933C1271A7C9C5B67749C29BF006E28A8766FF91C4C4F3969139F9293
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 :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37388/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending a UDP request
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/407293
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 (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
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 MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255877 Sample: 6vy2qtvKZr.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 40 cdn.onenote.net 2->40 42 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->42 56 Found malware configuration 2->56 58 Yara detected MassLogger RAT 2->58 60 Yara detected AntiVM_3 2->60 62 4 other signatures 2->62 9 6vy2qtvKZr.exe 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 72 Writes to foreign memory regions 9->72 74 Allocates memory in foreign processes 9->74 76 Queues an APC in another process (thread injection) 9->76 78 Contains functionality to detect sleep reduction / modifications 9->78 14 notepad.exe 5 9->14         started        18 gshfkafnf.exe 12->18         started        process6 file7 34 C:\Users\user\AppData\...\gshfkafnf.exe, PE32 14->34 dropped 36 C:\Users\...\gshfkafnf.exe:Zone.Identifier, ASCII 14->36 dropped 38 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 14->38 dropped 82 Creates files in alternative data streams (ADS) 14->82 84 Drops VBS files to the startup folder 14->84 20 gshfkafnf.exe 14->20         started        86 Maps a DLL or memory area into another process 18->86 23 gshfkafnf.exe 6 18->23         started        26 gshfkafnf.exe 18->26         started        signatures8 process9 dnsIp10 64 Detected unpacking (changes PE section rights) 20->64 66 Detected unpacking (overwrites its own PE header) 20->66 68 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->68 70 3 other signatures 20->70 28 gshfkafnf.exe 15 6 20->28         started        32 gshfkafnf.exe 20->32         started        44 nagano-19599.herokussl.com 23->44 46 elb097307-934924932.us-east-1.elb.amazonaws.com 23->46 48 api.ipify.org 23->48 signatures11 process12 dnsIp13 50 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.203.116, 49724, 49730, 80 AMAZON-AESUS United States 28->50 52 nagano-19599.herokussl.com 28->52 54 api.ipify.org 28->54 80 Tries to steal Mail credentials (via file access) 28->80 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7a054a2651fe89cdb48c590a10eff889b09511e408e1bc16d04e07b437b1955/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 06:52:06 UTC
AV detection:
39 of 48 (81.25%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=66qfjitfd7ujzw2iywikcdx7rcnqsui6ichbxqlnatqhwq33dfkq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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+ 2'126 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/200803-1wc3zxye56/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
Drops startup file
Loads dropped DLL
UPX packed file
Executes dropped EXE
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f7a054a2651fe89cdb48c590a10eff889b09511e408e1bc16d04e07b437b1955

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 f7a054a2651fe89cdb48c590a10eff889b09511e408e1bc16d04e07b437b1955

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/37388/
  
URLhaus
https://urlhaus.abuse.ch/url/412466/
  
Delivery method
Distributed via web download

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