MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 107b57fdf9c667731c973e5f254cdf985a2e7d5e6659f19aa2e9b1a0e613a7a2. 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: 107b57fdf9c667731c973e5f254cdf985a2e7d5e6659f19aa2e9b1a0e613a7a2
SHA3-384 hash: a02e4a7d0d3e25cc2cb886532b3c2cd7a1fa956d630d06df0c6a0ece38be4839d3a0e30c83f8a4a40020acfa615e1c90
SHA1 hash: 5cdb2902ca0483e453d9b0e0093e128823783543
MD5 hash: 78da69d9462eba8fdd63c3db99a3d6d4
humanhash: vegan-shade-alaska-oxygen
File name:PRODUCT SPECIFICATIONS.exe
Download: download sample
Signature MassLogger
File size:924'672 bytes
First seen:2020-10-19 05:44:43 UTC
Last seen:2020-10-19 06:44:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:qCxU1btCkkUCMoqNa4wFwrT8t1hmrF6j3lyqdJ0H:9xU1btDkBMogwQT8BSRs0H
Threatray 357 similar samples on MalwareBazaar
TLSH 5A15CFDD761072EFC857D472DEA82C68EA517CBB931B4203902725ADEA6D887CF144F2
Reporter cocaman
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
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
Adds a directory exclusion to Windows Defender
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
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
PE file contains section with special chars
PE file has nameless sections
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 AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Status:
Malicious
First seen:
2020-10-18 23:17:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
spyware stealer family:masslogger
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:
39fbbbecf00db06390707668642110bdc48ecaf25b90c9ddeb0f89668e626b51
MD5 hash:
a427f65795352390135be18e389a35c3
SHA1 hash:
2abf876671c5db6dcf9eb9396b21830f58a15fc1
SH256 hash:
a0f9278f5cbbda83db8bfb6b17e8e859b3f58d7accd21c560934b3712b97bcdf
MD5 hash:
04d40660ac96d0b0c04aea038b379c79
SHA1 hash:
d4c5caf248b0c44732d71b6676e64fc928e50f35
SH256 hash:
fe82d646c37d990e5ffacdc48911c272a5809c4a8249e7a32525c98987e9a416
MD5 hash:
8ca178f661baa2d8403b973b92cb278e
SHA1 hash:
ec1003ad7955745069e32ce219bc5dae6a551e88
Detections:
win_masslogger_w0
SH256 hash:
107b57fdf9c667731c973e5f254cdf985a2e7d5e6659f19aa2e9b1a0e613a7a2
MD5 hash:
78da69d9462eba8fdd63c3db99a3d6d4
SHA1 hash:
5cdb2902ca0483e453d9b0e0093e128823783543
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 107b57fdf9c667731c973e5f254cdf985a2e7d5e6659f19aa2e9b1a0e613a7a2

(this sample)

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