MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
SHA3-384 hash: 1ff04238ccf69e59a68eddedb4019c3bc9e8525e63e62428dab5d34ebbc0dbfc6a29f5e5adfe5494f16aac8f5c96ab50
SHA1 hash: 2be37b42a5254983d395e73d7d18b7a3e134cbf4
MD5 hash: 26321a18d20fbb143c096e4ed31aa3d5
humanhash: kentucky-network-hamper-comet
File name:01_extracted.exe
Download: download sample
Signature MassLogger
File size:722'944 bytes
First seen:2021-01-13 15:24:59 UTC
Last seen:2021-01-13 16:57:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:zKhyZwahNcl2F2EBqF4PQTLngg/o8P4342IQ7s/29vMfFCYeI5/DM5JjW:zaOEl2F2yPQYg/8XHI29EV39DM5hW
Threatray 613 similar samples on MalwareBazaar
TLSH 24F4123437854091E4E13B712A52C9580B6BFE0B863B031E9AF277AE58770CFD169B1B
Reporter Racco42
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
01_extracted.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-13 15:56:20 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Sending a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
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:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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.Infostealer.Maslog
Status:
Malicious
First seen:
2021-01-13 15:25:05 UTC
AV detection:
9 of 42 (21.43%)
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:
dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
MD5 hash:
26321a18d20fbb143c096e4ed31aa3d5
SHA1 hash:
2be37b42a5254983d395e73d7d18b7a3e134cbf4
SH256 hash:
65cd031a8dfb460d4987832d8cc20dda0d73fbfbce9bade37ec5ae1f512bebda
MD5 hash:
936d8aec56bc4713310aa0deb60144be
SHA1 hash:
107e7a581a1f11b20a6992e68de467585f3f4b38
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
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
Author:kevoreilly
Description:MassLogger
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.

  
Delivery method
Other

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