MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3
SHA3-384 hash: db25cc86e843c4cbe6929b51ec93d4615b30f7102a3a8195e9dc8c7f314f20046b609635670ad3de652128a8a7cd4553
SHA1 hash: 4181c8d062508316f6727e73337c7617f6dc2ce8
MD5 hash: 973992ab7ffd7202b6f3d40f1828625c
humanhash: iowa-robin-cardinal-mississippi
File name:PO_92847.doc
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'541'319 bytes
First seen:2020-11-30 15:40:54 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:GHCF5XyEE94ANwN2cHpE8oOvlWwz1P6eNfqiQW8Uvt1vY0T7z91ET/9eKNwpDAKX:h
TLSH A565AFF876047DD6266F576BDA96ACDC03B61B629ACBA4CC8064B7C305A3375FE02C05
Reporter cocaman
Tags:doc MassLogger


Avatar
cocaman
Malicious email (T1566.001)
From: ""Jeremy Stracener" <lbenson@phoenixtextile.com>" (likely spoofed)
Received: "from phoenixtextile.com (unknown [37.49.225.134]) "
Date: "30 Nov 2020 16:39:31 +0100"
Subject: "Purchase Order"
Attachment: "PO_92847.doc"

Intelligence

File Origin
# of uploads :
1
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR._EQUATION.200422.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
MassLogger RAT MicroClip
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/551057
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected MicroClip
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 324645 Sample: PO_92847.doc Startdate: 30/11/2020 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Multi AV Scanner detection for domain / URL 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 14 other signatures 2->69 7 EQNEDT32.EXE 11 2->7         started        12 vlc.exe 2->12         started        14 vlc.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 61 essaytutoring.co.uk 107.6.141.50, 49165, 80 SINGLEHOP-LLCUS United States 7->61 39 ueriopdrfuitr8geyw...hsijc;oriuhfwej.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\...\Rjwzzq5[1].exe, PE32 7->41 dropped 79 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->79 18 ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe 2 7 7->18         started        81 Injects a PE file into a foreign processes 12->81 22 vlc.exe 12->22         started        25 vlc.exe 12->25         started        27 vlc.exe 12->27         started        29 vlc.exe 12->29         started        31 vlc.exe 14->31         started        file5 signatures6 process7 dnsIp8 37 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 18->37 dropped 73 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->73 75 Injects a PE file into a foreign processes 18->75 33 ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe 12 18->33         started        49 nagano-19599.herokussl.com 22->49 51 elb097307-934924932.us-east-1.elb.amazonaws.com 22->51 53 api.ipify.org 22->53 77 Tries to harvest and steal browser information (history, passwords, etc) 22->77 55 23.21.126.66, 49167, 49168, 80 AMAZON-AESUS United States 31->55 57 nagano-19599.herokussl.com 31->57 59 2 other IPs or domains 31->59 file9 signatures10 process11 dnsIp12 43 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 49166, 80 AMAZON-AESUS United States 33->43 45 nagano-19599.herokussl.com 33->45 47 api.ipify.org 33->47 71 Tries to steal Mail credentials (via file access) 33->71 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-11-30 15:41:07 UTC
File Type:
Document
Extracted files:
2
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Link:
https://tria.ge/reports/201130-b35zny67p6/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blacklisted process makes network request
Executes dropped EXE
MassLogger
MassLogger Main Payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
Link:
https://yomi.yoroi.company/submissions/cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3

File information

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

Malspam

MassLogger

Word file doc cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments