MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 920b37c8a05aa0052ea96da037c76e5674504fa218c2ba0b128d0355d2ff425a. 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


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 920b37c8a05aa0052ea96da037c76e5674504fa218c2ba0b128d0355d2ff425a
SHA3-384 hash: 7d3e275e0401887af42d2cefca9498b70481568163c26ea4cf3e5e7149a7e44c25786a4a7cc37ccd6d8a9ec472ca16ef
SHA1 hash: 98a94c4ea7cd5fde2de4009854db95e32166f950
MD5 hash: 58c7ee0938860e31d244c0f652215d66
humanhash: echo-mango-ohio-yankee
File name:PO348780.xlsx
Download: download sample
File size:730'624 bytes
First seen:2020-08-12 18:14:41 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/encrypted
ssdeep 12288:tgFQq+3Ad+atCa3Zb7ju52BWXQsE5SEz+hv23ng0nkQJDoQUW+F0J2PbuPGEek:tbFAd+QCalv8QsEYJhv2QuDJDVb+m8Pi
TLSH 43F42388FCB81FEFF05B2ABF90905FD0811DEC31A766F196940E363754B47288A662D5
Reporter abuse_ch
Tags:CVE-2017-11882 xlsx


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: srv03.webparaguay.com
Sending IP: 177.251.252.12
From: "Willemin-Mastersoft Inc." <ventas@mastersoft.com.py>
Subject: Willemin-Mastersoft Inc.- NEW ORDER
Attachment: PO348780.xlsx

Unknown payload URL:
http://finalwireboxtransferthesessioncookienorm.duckdns.org/zero/svch.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Doc.Packed.EncryptedDoc-6563700-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
DNS request
Creating a file in the %AppData% directory
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/423556
Signature
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Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264221 Sample: PO348780.xlsx Startdate: 13/08/2020 Architecture: WINDOWS Score: 48 15 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->15 6 EXCEL.EXE 168 52 2->6         started        9 mspaint.exe 27 2 2->9         started        process3 dnsIp4 13 192.168.2.1 unknown unknown 6->13 11 splwow64.exe 6->11         started        process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/920b37c8a05aa0052ea96da037c76e5674504fa218c2ba0b128d0355d2ff425a/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 18:16:06 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=siftpsfalkqaklvjnwqdpr3okz2fat5cddblucysrubvlux7ijna._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200812-4ekjgl8b3j/
Behaviour
Launches Equation Editor
Modifies registry class
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
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Program crash
Loads dropped DLL
Uses the VBS compiler for execution
Blacklisted process makes network request
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/920b37c8a05aa0052ea96da037c76e5674504fa218c2ba0b128d0355d2ff425a

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

Excel file xlsx 920b37c8a05aa0052ea96da037c76e5674504fa218c2ba0b128d0355d2ff425a

(this sample)

Executable exe 9c6bbfdf945d38d82675e6c14c17fc45b3d73167671e1e7546cbf677ad2f0ce8

  
URLhaus
https://urlhaus.abuse.ch/url/431141/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 9c6bbfdf945d38d82675e6c14c17fc45b3d73167671e1e7546cbf677ad2f0ce8
  
Dropping
MD5 c0bb2f9a03f46eb7fec0c4110f7557fd

Comments