MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3
SHA3-384 hash: 47b8f69654f1bd9e30f498155c7746fe51d8f3c2dd6ef2408c124aeeb59faf1b00e1eab928974c657271bdd0d585651e
SHA1 hash: d51667dcda40dcf5f99ecfcd04be6f121b4e44af
MD5 hash: badeca12a37ded3432f2c91260d438f7
humanhash: four-king-floor-april
File name:PAY SLIP.doc
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'726'763 bytes
First seen:2020-12-17 11:46:11 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:NHzsZmAs+edly25PKKxelZz8DIZtVC0wHcV2WmAP3sSZhsNVPqrlDqC5uvBgWMpJ:G
TLSH 8085AFF876047DE6266F536BDA96ACDC13B627239ACBA4CD8064B7C30563375FE02805
Reporter abuse_ch
Tags:doc MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vm1669155.3ssd.had.wf
Sending IP: 185.154.13.232
From: Musa Khalil <info@vm1669155.3ssd.had.wf>
Subject: RE..DOWN PAYMENT
Attachment: PAY SLIP.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 :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RE.DOWN PAYMENT.eml
Verdict:
Malicious activity
Analysis date:
2020-12-17 11:44:37 UTC
Tags:
exploit CVE-2017-11882 evasion trojan masslogger stealer
Link:
https://app.any.run/tasks/f6aebe47-d45b-457b-b3b0-1825935d49a9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.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
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3/results/dashboard
Result
Gathering data
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/565316
Signature
Drops PE files with a suspicious file extension
Multi AV Scanner detection for dropped file
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)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 11:29:19 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d63onxsdds3tklfqdlbm4sqmx2wj2ug7ez2adjeb6mk3by57p7zq._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201217-wjvqjsmwan/
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
Blocklisted 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:
0.96
Link:
https://yomi.yoroi.company/submissions/1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3

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:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information

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

Malspam

MassLogger

Word file doc 1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments