MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19d2886d97bf7362c767b77c7a9dec1cdf71c7606a3ceb035fe25e8b8bebddef. 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 4 File information Comments

SHA256 hash: 19d2886d97bf7362c767b77c7a9dec1cdf71c7606a3ceb035fe25e8b8bebddef
SHA3-384 hash: d54c08cc1306e313c757b3843ba976dcf079ab20d011eef0fef9e0d85d4dc0b89d5b64654791b386ddbacbd16c0efb57
SHA1 hash: 56356045aa286ceb28cb244fc09c43946d53eee5
MD5 hash: d39b7c47ede8e998ff27f37387a3e026
humanhash: blossom-london-quiet-edward
File name:FV00620224400 009384766589.exe
Download: download sample
Signature MassLogger
File size:915'456 bytes
First seen:2020-10-16 13:01:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wgD/3Jrpq+AKa2bOffDq9zg5HtdAisOmvpHfCBRH7LdP4S86AjbCpQ:zD/3dD7ZEDQ6NABR+RH7LdP4W6bCpQ
Threatray 280 similar samples on MalwareBazaar
TLSH 2B159EB27C92587ECA6B077551A985C1FAB616C73FA08B0D71AF430C0F11A2BEB53257
Reporter abuse_ch
Tags:DHL exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

From: DHL EXPRESS <maria_dhl@gmail.com>
Subject: DHL Failed Delivery Notification
Attachment: FV00620224400 009384766589.r15 (contains "FV00620224400 009384766589.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 299280 Sample: FV00620224400 009384766589.exe Startdate: 16/10/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected MassLogger RAT 2->38 40 8 other signatures 2->40 8 FV00620224400 009384766589.exe 8 2->8         started        process3 file4 20 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->20 dropped 22 C:\...\FV00620224400 009384766589.exe.log, ASCII 8->22 dropped 24 C:\Users\user\AppData\Local\Temp\...\Fdf.dll, PE32 8->24 dropped 26 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 8->26 dropped 42 Writes to foreign memory regions 8->42 44 Allocates memory in foreign processes 8->44 46 Injects a PE file into a foreign processes 8->46 12 AddInProcess32.exe 15 2 8->12         started        signatures5 process6 dnsIp7 28 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.98.120, 49737, 80 AMAZON-AESUS United States 12->28 30 nagano-19599.herokussl.com 12->30 32 api.ipify.org 12->32 48 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal browser information (history, passwords, etc) 12->52 54 Adds a directory exclusion to Windows Defender 12->54 16 powershell.exe 25 12->16         started        signatures8 process9 process10 18 conhost.exe 16->18         started       
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Status:
Malicious
First seen:
2020-10-16 13:03:12 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
spyware stealer family:masslogger
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
19d2886d97bf7362c767b77c7a9dec1cdf71c7606a3ceb035fe25e8b8bebddef
MD5 hash:
d39b7c47ede8e998ff27f37387a3e026
SHA1 hash:
56356045aa286ceb28cb244fc09c43946d53eee5
SH256 hash:
f8bee4108a324df32ad5a2ebafa6b7f411402a21e2598cf9db66486970f80fdd
MD5 hash:
a92da98ff6f5ae608503d074617bcc2a
SHA1 hash:
d3eafcccca011bb3a7a5ae52dd9704ceafcde472
SH256 hash:
cc68e3eb8bccc4a249ec5b6f7d83cb2230442040a398aa362c30bfa520987bc5
MD5 hash:
0c74f2c28837f15bd9481236e4fff068
SHA1 hash:
d6aaa270e7cde6512b8861d725556433b7da78b9
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:win_masslogger_w0
Author:govcert_ch

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe 19d2886d97bf7362c767b77c7a9dec1cdf71c7606a3ceb035fe25e8b8bebddef

(this sample)

  
Delivery method
Distributed via e-mail attachment

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