MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b809268a443a59068e98e9b755f9f5632e396ed39e826750ed128f37f0fbe775. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b809268a443a59068e98e9b755f9f5632e396ed39e826750ed128f37f0fbe775
SHA3-384 hash: 63d55f1a0c29fbe8c1e86a0662db927d9a8ae34bb93877c4cc091b0b2104c2c8e44e961c7efe0b6d00fcea2e36fc271d
SHA1 hash: a3e29a7d1fd84de890d1452d4b0892d7c2735598
MD5 hash: a3ea16e265e319b74dd1373d7e83916d
humanhash: eighteen-king-maine-thirteen
File name:a3ea16e265e319b74dd1373d7e83916d
Download: download sample
File size:24'130 bytes
First seen:2021-11-02 09:00:41 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 384:FRE/D5U2iRTQU6QmNlJ+GzGf3aGNTQ/bARaDr7sSKBdV9U59zF:Fa/BQh6QmNb9ifNyb08raV9U59F
TLSH T1B0B2017EF54B0E88DE56966D060A7BA9160DF41D72C440E237BCDB387A5C85B8B22D38
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a3ea16e265e319b74dd1373d7e83916d
Verdict:
Suspicious activity
Analysis date:
2021-11-02 09:23:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/89714831-0402-430a-bfa8-b29f3fe81f35

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
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

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

Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/b809268a443a59068e98e9b755f9f5632e396ed39e826750ed128f37f0fbe775/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
embedequation exploit
Link:
https://www.filescan.io/uploads/6180fe519982ff7c3f7a7628/reports/a9e0e4b4-8496-49df-bc6f-51b14d10fc08/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/881105
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: EQNEDT32.EXE connecting to internet
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b809268a443a59068e98e9b755f9f5632e396ed39e826750ed128f37f0fbe775/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-10-29 04:11:22 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
suricata
Link:
https://tria.ge/reports/211102-kywhjahbcl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Blocklisted process makes network request
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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/b809268a443a59068e98e9b755f9f5632e396ed39e826750ed128f37f0fbe775

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Web download

Rich Text Format (RTF) rtf b809268a443a59068e98e9b755f9f5632e396ed39e826750ed128f37f0fbe775

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1738628/

Comments


Avatar
zbet commented on 2021-11-02 09:00:42 UTC

url : hxxp://103.167.84.138/invoice/invc_000020000002.wbk