MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dea6b31d495a161c81709e32785a647b65e0f5d6e4da3a8a0636e5dc9c67d1c9. 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: 3


Intelligence 3 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dea6b31d495a161c81709e32785a647b65e0f5d6e4da3a8a0636e5dc9c67d1c9
SHA3-384 hash: 3c8c52810fc4a96cc7d633c6de6de256c2ce4e931de4be423651a1f2e7a7c22efc9f506a7089c762cd6376e6b9e048fb
SHA1 hash: c03b9c4278a38709ea8580d567dd5c2d770a8d0c
MD5 hash: e4c1efeefd11158e52eb0c16ccf1065c
humanhash: south-hydrogen-cola-vegan
File name:e4c1efeefd11158e52eb0c16ccf1065c.rtf
Download: download sample
File size:9'488 bytes
First seen:2020-10-21 10:48:40 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:0/SGkmmRXiwzM2KRP9hFXjfEUbKQKVbaCzq:0/X4ywrKRlhFXDbKppTq
TLSH 60128DB02C982905EB2F2383D75B6560A14BBD31D2DB9D99709CADB33F311159FB680C
Reporter abuse_ch
Tags:rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
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.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Creating a file
Using the Windows Management Instrumentation requests
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dea6b31d495a161c81709e32785a647b65e0f5d6e4da3a8a0636e5dc9c67d1c9/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-10-21 04:56:22 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201021-x948yzw4n6/
Behaviour
Launches Equation Editor
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
Suspicious use of SetThreadContext
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.

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.

Web download

Rich Text Format (RTF) rtf dea6b31d495a161c81709e32785a647b65e0f5d6e4da3a8a0636e5dc9c67d1c9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/727688/
  
Delivery method
Distributed via web download

Comments