MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3620092a3fe074a1adcf351ee1e91081b7227589993b148cd2acc18df351e9ea. 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
| SHA256 hash: | 3620092a3fe074a1adcf351ee1e91081b7227589993b148cd2acc18df351e9ea |
|---|---|
| SHA3-384 hash: | 0201e9db489d361d4e0236274f5bcc26b13a3ea8f4ecb019c73690aeea6692dc4baefa59729a83dfa5b07de6fa1e2d1c |
| SHA1 hash: | a8f0a53a6a3de13b36bafe845abe17c0bfd8ba91 |
| MD5 hash: | eebfc7dcf7359c43826c9b7fd7137472 |
| humanhash: | enemy-spaghetti-georgia-moon |
| File name: | Letter of statement.exe |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'013'760 bytes |
| First seen: | 2020-07-29 06:27:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:BGcGCsg7nLzXIRcrn7sChYHITh1X6ZGD+QTqxRWcb69Z1Af4nvZ42XGAHpLbAroX:Ycx+SiHQ56vN693g4nXXGivl7L0yim |
| Threatray | 625 similar samples on MalwareBazaar |
| TLSH | 5D25029DBA82F91AC7FA4574E1FD1918CBFDC1C2A12BD3452882A3BF19D6393D5011B1 |
| Reporter |  abuse_ch |
| Tags: | exe MassLogger |
abuse_ch
Malspam distributing MassLogger:HELO: kapurlaw.com
Sending IP: 209.58.149.66
From: leo<rjagadeesan@kapurlaw.com>
Subject: Letter of Statement
Attachment: Letter of statement.rar (contains "Letter of statement.exe")
MassLogger SMTP exfil server:
smtp.yandex.com:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading Telegram data
Reading critical registry keys
Moving a file to the %temp% directory
Unauthorized injection to a system process
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
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 06:29:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 615 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
ransomware spyware stealer family:masslogger
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
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.
Threat name:
Suspicious File
Score:
0.66
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
Delivery method
Distributed via e-mail attachment
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