MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e44141ff070ca6b4514c2a6160b4443aeb353f79c74bac06de472ff0a21be458. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e44141ff070ca6b4514c2a6160b4443aeb353f79c74bac06de472ff0a21be458
SHA3-384 hash: 47950c6b1d0dfe7073e19cf99dfb24f86a750933aff02420085bd7896062c952e6f6ba46d85fd2f67b84869a8749cc0d
SHA1 hash: 5ddef070b3a8783caed39b7515267afd3217923b
MD5 hash: dc31658316c032703153024ee4999a82
humanhash: alanine-yankee-sad-fifteen
File name:BBL_0001695501_OUTSTANDING FWC _20200720.doc
Download: download sample
Signature MassLogger
Create hunting rule
File size:345'459 bytes
First seen:2020-07-21 07:53:51 UTC
Last seen:Never
File type:Word file doc
MIME type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep 6144:4zBtoAH81YOtGvnVl+nQax8DaSRxC96llJfIhV2GMCoIxwQH:gtosabGnVdJRU96lDAhy5IxNH
TLSH EC7423348B0429DAC389E1B2D9CBE126BB928873071EEDDE76C877DB625C10FC5E5158
Reporter abuse_ch
Tags:doc MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: sv17.sixcore.ne.jp
Sending IP: 219.94.200.18
From: tradefinance.tfc@bbl.co.th <tradefinance.tfc@bbl.co.th>
Subject: BBL Outstanding Forward Contract as at 20/07/2020 [0001695501]
Attachment: BBL_0001695501_OUTSTANDING FWC _20200720.doc

MassLogger payload URL:
https://bloomcareltd.co.uk/wp-content/plugins/jetpack/images/filex/MassLoggerthai.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.DOCXRSTRGOOD.WIN32_PROCESS.200408.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.WIN32_PROCESS.200402.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
DNS request
Possible injection to a system process
Sending a TCP request to an infection source
Launching a process by exploiting the app vulnerability
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/392845
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248764 Sample: BBL_0001695501_OUTSTANDING ... Startdate: 21/07/2020 Architecture: WINDOWS Score: 88 31 Multi AV Scanner detection for domain / URL 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Sigma detected: Dot net compiler compiles file from suspicious location 2->35 37 5 other signatures 2->37 7 powershell.exe 14 26 2->7         started        12 WINWORD.EXE 484 98 2->12         started        process3 dnsIp4 29 bloomcareltd.co.uk 160.153.204.75, 443, 49728 GODADDY-AMSDE United States 7->29 23 C:\Users\user\AppData\...\rf4ao0ss.cmdline, UTF-8 7->23 dropped 25 C:\Users\user\AppData\Local\...\rf4ao0ss.0.cs, UTF-8 7->25 dropped 39 Compiles downloader code with a AMSI bypass 7->39 14 csc.exe 3 7->14         started        17 conhost.exe 7->17         started        19 splwow64.exe 12->19         started        file5 signatures6 process7 file8 27 C:\Users\user\AppData\Local\...\rf4ao0ss.dll, PE32 14->27 dropped 21 cvtres.exe 1 14->21         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e44141ff070ca6b4514c2a6160b4443aeb353f79c74bac06de472ff0a21be458/
Threat name:
Document-Office.Downloader.Obfuser
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:55:06 UTC
AV detection:
11 of 48 (22.92%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4raud7yhbstliukmfjqwbncehlvtkp3zy5f2ybw6i4x7biq34rma._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/200721-4ywrphjtfx/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in System32 directory
Blacklisted process makes network request
Blacklisted process makes network request
Process spawned unexpected child process
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e44141ff070ca6b4514c2a6160b4443aeb353f79c74bac06de472ff0a21be458

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Malspam

MassLogger

Word file doc e44141ff070ca6b4514c2a6160b4443aeb353f79c74bac06de472ff0a21be458

(this sample)

MassLogger

Executable exe baa5321e840dcceec831ecdfdae4d19b166c1083e6b61dc0ab24d559683e1c51

  
URLhaus
https://urlhaus.abuse.ch/url/415807/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 baa5321e840dcceec831ecdfdae4d19b166c1083e6b61dc0ab24d559683e1c51
  
Dropping
MD5 85321df51c43c38d4bc6927ee7cea7a9

Comments