MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a654772e801683ef8639985af05c8845d16ab48df5c6a8e65d014251692d73d2. 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

SHA256 hash: a654772e801683ef8639985af05c8845d16ab48df5c6a8e65d014251692d73d2
SHA3-384 hash: 28a484a292e81c295a78ba77056bde31d869ee93103576d25b5c5859f2323d2fd5088c92e94565bea3ef28c5a26817d1
SHA1 hash: 3a48f7ad6216076ee6f9a07d80f632044d663e50
MD5 hash: fce148c087a107f4303263e32f0b312c
humanhash: fruit-burger-zulu-oxygen
File name:Purchasing Doc_ 6000019430..exe
Download: download sample
Signature MassLogger
File size:1'016'832 bytes
First seen:2020-07-29 05:25:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:hAYKdVX/z/4w56V4pWfVeazYLQMV5mcQ4J3hLb+gYX9mGwsb:2DnvkY6nlziQMPmglb3YX9X
Threatray 634 similar samples on MalwareBazaar
TLSH 8D25F259B682FA16C3BA4535E2EC1908CEFC81C2A13BE3467C9693EF15C77A7E5011B1
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: jmdconsultants.co.in
Sending IP: 193.142.59.89
From: Suman Talwar <Suman.Talwar@jmdconsultants.co.in>
Subject: RE: JMD Consultants Purchasing Doc. 6000019430
Attachment: Purchasing Doc_ 6000019430..rar (contains "Purchasing Doc_ 6000019430..exe")

MassLogger SMTP exfil server:
smtp.yandex.ru:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 05:26:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger log file
MassLogger
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:masslogger_gcch
Author:govcert_ch
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 a654772e801683ef8639985af05c8845d16ab48df5c6a8e65d014251692d73d2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments