MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a9db016061e639e075ceccfb5fb7253755b51d8a5df21d816bffb2fcea9a5b4. 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: 7a9db016061e639e075ceccfb5fb7253755b51d8a5df21d816bffb2fcea9a5b4
SHA3-384 hash: d34a888e9333f49ca0422e6874e35ebff62581dcea60ca198b1e18ce01620053e0acbee06c8373b7292df8e9bf71d72a
SHA1 hash: 1a234b5130bae9106de0a1fa2a1f643368509b1d
MD5 hash: 3641968c7652eec6c1e39982ebbc9ab9
humanhash: one-blossom-ceiling-asparagus
File name:3641968c7652eec6c1e39982ebbc9ab9.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'273'856 bytes
First seen:2020-08-31 05:27:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash abbb4ff674d361f4d977ae3c60a46e79 (9 x MassLogger, 1 x AgentTesla, 1 x FormBook)
ssdeep 24576:p09b/Gmkg3vhuZFtBNsnE3qPBNshobb3CgMGYPm3KKXGczv:p2GY3vi3SE9YC/GUzK2czv
Threatray 1'038 similar samples on MalwareBazaar
TLSH BA45E022B2E04933D0A7167D9C1BB7B4AD25FE513A249D876BF5DC0C6F3978038252A7
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 :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53224/
Detection(s):
SecuriteInfo.com.BScope.Trojan.Kryptik.9879.UNOFFICIAL
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 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/454806
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
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
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: 279778 Sample: vLAHqCkl9X.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected MassLogger RAT 2->58 60 8 other signatures 2->60 8 vLAHqCkl9X.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 70 Writes to foreign memory regions 8->70 72 Allocates memory in foreign processes 8->72 74 Queues an APC in another process (thread injection) 8->74 76 Contains functionality to detect sleep reduction / modifications 8->76 13 notepad.exe 5 8->13         started        17 jkfljdgsglhd.exe 11->17         started        process5 file6 36 C:\Users\user\AppData\...\jkfljdgsglhd.exe, PE32 13->36 dropped 38 C:\Users\...\jkfljdgsglhd.exe:Zone.Identifier, ASCII 13->38 dropped 40 C:\Users\user\AppData\Roaming\...\win.vbs, ASCII 13->40 dropped 80 Creates files in alternative data streams (ADS) 13->80 82 Drops VBS files to the startup folder 13->82 19 jkfljdgsglhd.exe 13->19         started        84 Maps a DLL or memory area into another process 17->84 22 jkfljdgsglhd.exe 6 17->22         started        26 jkfljdgsglhd.exe 17->26         started        signatures7 process8 dnsIp9 62 Multi AV Scanner detection for dropped file 19->62 64 Detected unpacking (changes PE section rights) 19->64 66 Detected unpacking (overwrites its own PE header) 19->66 68 4 other signatures 19->68 28 jkfljdgsglhd.exe 15 7 19->28         started        32 jkfljdgsglhd.exe 19->32         started        42 54.235.136.99, 49730, 80 AMAZON-AESUS United States 22->42 44 nagano-19599.herokussl.com 22->44 46 3 other IPs or domains 22->46 34 C:\Users\user\AppData\Local\Temp\...\Log.txt, ASCII 22->34 dropped file10 signatures11 process12 dnsIp13 48 mail.privateemail.com 198.54.122.60, 49721, 49731, 587 NAMECHEAP-NETUS United States 28->48 50 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.182.194, 49717, 80 AMAZON-AESUS United States 28->50 52 2 other IPs or domains 28->52 78 Tries to steal Mail credentials (via file access) 28->78 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a9db016061e639e075ceccfb5fb7253755b51d8a5df21d816bffb2fcea9a5b4/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 00:52:59 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pko3afqgdzrz4b245th3l63skn2vwuoyuxpsdwawx75s7tvjuw2a._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
trickbot
Create hunting rule
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+ 1'028 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/200831-4r72kdrbxa/
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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7a9db016061e639e075ceccfb5fb7253755b51d8a5df21d816bffb2fcea9a5b4

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 7a9db016061e639e075ceccfb5fb7253755b51d8a5df21d816bffb2fcea9a5b4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/412465/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/53224/

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