MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 271ae8f2104165d934488b9888b1fdcf6d6ec9a2263a603270ac9098f5d27323. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: 271ae8f2104165d934488b9888b1fdcf6d6ec9a2263a603270ac9098f5d27323
SHA3-384 hash: 062907d6fcd87a53f464ef2a7c5308317732a88f338d2a12f2ca9da5404bedb644f87b959e6300d7265174fe01b0d658
SHA1 hash: 3f5dd2f621cc9f850b01c0193a9c95fb21b1f4b7
MD5 hash: 099b147450ba62294345230e057e492c
humanhash: skylark-indigo-chicken-oklahoma
File name:Purchase Order_12082020_10002993884.exe
Download: download sample
Signature MassLogger
File size:1'118'720 bytes
First seen:2020-08-12 18:22:13 UTC
Last seen:2020-08-12 18:51:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:hjIYNzebrAV0sTn3K8enN84rHoaj/kedFUHmAm2ArPCc:hjIqSAV0s28+N8Yr56GPrP
Threatray 705 similar samples on MalwareBazaar
TLSH B435CEF0E224965CDDB90AF8373B5F885FA92C225E55DEDC2B45F9D60B32A22300F552
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.huclangia.ga
Sending IP: 5.8.93.140
From: Dr. Emily Owens <report@huclangia.ga>
Subject: RE: Cancellation of PO
Attachment: Purchase Order_12082020_10002993884.rar (contains "Purchase Order_12082020_10002993884.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Deleting of the original file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264254 Sample: Purchase Order_12082020_100... Startdate: 13/08/2020 Architecture: WINDOWS Score: 72 26 Yara detected MassLogger RAT 2->26 28 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 2->28 30 Machine Learning detection for sample 2->30 32 3 other signatures 2->32 8 Purchase Order_12082020_10002993884.exe 3 2->8         started        process3 file4 22 Purchase Order_120...10002993884.exe.log, ASCII 8->22 dropped 11 Purchase Order_12082020_10002993884.exe 2 8->11         started        13 Purchase Order_12082020_10002993884.exe 8->13         started        process5 process6 15 cmd.exe 1 11->15         started        process7 17 powershell.exe 17 15->17         started        20 conhost.exe 15->20         started        signatures8 24 Deletes itself after installation 17->24
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-12 18:24:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe 271ae8f2104165d934488b9888b1fdcf6d6ec9a2263a603270ac9098f5d27323

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments