MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4988575523d9a0fe1fc226f972e930cf597cf8c001b306d07d7cc5750a45e38b. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 4988575523d9a0fe1fc226f972e930cf597cf8c001b306d07d7cc5750a45e38b
SHA3-384 hash: f0781e64919adb60288f175c1148277e381c38a9e06ab01e9c7452e827246a57bae39e3b6b3d19a24f08cb1a8e5146f8
SHA1 hash: 20eceeb8801454706dc463aaa6e1f5d8ad3c8ba2
MD5 hash: 2e0b567ec33646fd0474072faee2ade3
humanhash: island-iowa-lima-music
File name:2e0b567ec33646fd0474072faee2ade3.exe
Download: download sample
Signature MassLogger
File size:1'219'584 bytes
First seen:2020-11-03 06:18:10 UTC
Last seen:2020-11-03 07:57:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'449 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:yILDFLhrzQJcdx+vQeWDKdxqnZ1HWhpYNPRhLiFFf:
Threatray 548 similar samples on MalwareBazaar
TLSH 80455DF4509E24A2F25F4566A6ADBDD802B2B183DBCB5D4C037CF6710ABB7627E0580D
Reporter abuse_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Sending a UDP request
Setting a global event handler for the keyboard
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
.NET source code contains very large array initializations
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-11-03 06:20:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
4988575523d9a0fe1fc226f972e930cf597cf8c001b306d07d7cc5750a45e38b
MD5 hash:
2e0b567ec33646fd0474072faee2ade3
SHA1 hash:
20eceeb8801454706dc463aaa6e1f5d8ad3c8ba2
SH256 hash:
b31e3d20a3ea1400bfde0ce7eca8a715bff575f7955deecf0a0dc25a3a4e8639
MD5 hash:
0001629058a8e97c202957276b2955a0
SHA1 hash:
029b2652f56927f62a783e17d42b2e4b89ef2704
Detections:
win_masslogger_w0
SH256 hash:
2af8990c8b9cef5d6fef039e43366e87ec1ca0f71629566325fb315b1e647c9f
MD5 hash:
a289de45e1672ac7038fcd0bce567027
SHA1 hash:
3a5d5eb058868648a9d4ccabd0d3a372a0362f2e
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
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.

Web download

MassLogger

Executable exe 4988575523d9a0fe1fc226f972e930cf597cf8c001b306d07d7cc5750a45e38b

(this sample)

  
Delivery method
Distributed via web download

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