MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb7f7ea77d9a66362658c953803f13d91e0111e95bb199207f40db3eaea2a03d. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb7f7ea77d9a66362658c953803f13d91e0111e95bb199207f40db3eaea2a03d
SHA3-384 hash: 6fde974cce585c94518258aee10ab5179e73d8aa500ba9855f6dabc100fc404a49a7d383782c3c23a77e3cbaa8eafc68
SHA1 hash: 183011767186fb64691f91e4e53a6d5e6607f809
MD5 hash: 9b2760e8be8349a93fb4527b88c7e88c
humanhash: wyoming-monkey-purple-football
File name:064-Q6ST.doc
Download: download sample
Signature MassLogger
Create hunting rule
File size:906'765 bytes
First seen:2020-11-16 08:27:43 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:RARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARM/ARR:IOEnbj
TLSH D315C0D447506692DF4B2E5B5F15A8DC2A2FF07AE4D41C88F28EFBFC2367204D548A4A
Reporter cocaman
Tags:doc MassLogger


Avatar
cocaman
Malicious email (T1566.001)
From: "info@blakeindustriesllc.com" (likely spoofed)
Received: "from server.2080technologies.solutions (cc5406.inmotionhosting.com [199.250.204.181]) "
Date: "15 Nov 2020 23:21:17 -0800"
Subject: "ALJABER GROUP - RFQ/012018/000072020 Rev. 1"
Attachment: "064-Q6ST.doc"

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

Intelligence

File Origin
# of uploads :
1
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
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.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EQPentaverateTheKernelWithHisWeeBeadyEyes.20200616.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR._E_R_N_E_L_3_2_OADLIBRARYW_S_ETPROCADDRESS_.200622.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/537226
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
Connects to a URL shortener service
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Program Location Process Starts
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 AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 317709 Sample: 064-Q6ST.doc Startdate: 16/11/2020 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 18 other signatures 2->46 8 EQNEDT32.EXE 13 2->8         started        13 WINWORD.EXE 291 26 2->13         started        process3 dnsIp4 36 www.xn--2z1b30g3yitydsucda1o601f.kr 211.115.65.107, 49168, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 8->36 38 bit.ly 67.199.248.10, 49167, 80 GOOGLE-PRIVATE-CLOUDUS United States 8->38 26 C:\Users\user\AppData\...\BOQ8600[1].txt, PE32 8->26 dropped 28 C:\Users\Public\908.exe, PE32 8->28 dropped 54 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->54 15 908.exe 8->15         started        file5 signatures6 process7 signatures8 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->56 58 Machine Learning detection for dropped file 15->58 60 Injects a PE file into a foreign processes 15->60 18 908.exe 12 15->18         started        process9 dnsIp10 30 elb097307-934924932.us-east-1.elb.amazonaws.com 54.204.14.42, 49169, 80 AMAZON-AESUS United States 18->30 32 nagano-19599.herokussl.com 18->32 34 api.ipify.org 18->34 48 Tries to steal Mail credentials (via file access) 18->48 50 Tries to harvest and steal browser information (history, passwords, etc) 18->50 52 Adds a directory exclusion to Windows Defender 18->52 22 powershell.exe 6 18->22         started        24 powershell.exe 7 18->24         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eb7f7ea77d9a66362658c953803f13d91e0111e95bb199207f40db3eaea2a03d/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-11-16 08:28:06 UTC
File Type:
Document
Extracted files:
16
AV detection:
12 of 48 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5n7x5j35tjtdmjsyzfjyapyt3epacepjloyzsid7idnt5lvcua6q._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201116-hqkzlckgpj/
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
Drops file in System32 directory
Suspicious use of SetThreadContext
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.

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

MassLogger

Word file doc eb7f7ea77d9a66362658c953803f13d91e0111e95bb199207f40db3eaea2a03d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments