MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11e021f5ccf8e8af0f64a10c1fae6285df671c2ad5a97d30f0d888374764128b. 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: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11e021f5ccf8e8af0f64a10c1fae6285df671c2ad5a97d30f0d888374764128b
SHA3-384 hash: 2184f5e985f3c2e8dd8e8520231543d3508bbcb3b83c7ae2f69460b40b44e30f5f099051347ee72b2b978854029c17ea
SHA1 hash: fa53e6670613fb8d56789a27ae77927ec9600a52
MD5 hash: 7698f54f3b0f38dc05f02553f5e2b90d
humanhash: green-mockingbird-salami-crazy
File name:SecuriteInfo.com.Exploit.Rtf.Obfuscated.24.11723.8413
Download: download sample
File size:12'455 bytes
First seen:2020-09-11 14:35:36 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:nOtK5hM5gH5jR2eYo6n8i67p4IBwlMScsqVqr51gVXkHghqQQr69BwliOZ3Lnk:OXF/w7cO9w1gGhNruULZI
TLSH D842AF643CCE0760D6B86126ED13F978459374BC9BD6E977F1B95B881F0F2029CC98A8
Reporter SecuriteInfoCom
Tags:CVE-2017-11882

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Exploit.Rtf.Obfuscated.24.11723.8413.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.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
Creating a file in the %AppData% directory
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Creating a process from a recently created file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/464261
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to hide a thread from the debugger
Hides threads from debuggers
Multi AV Scanner detection for domain / URL
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
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284536 Sample: SecuriteInfo.com.Exploit.Rt... Startdate: 11/09/2020 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Antivirus detection for URL or domain 2->55 57 11 other signatures 2->57 7 EQNEDT32.EXE 12 2->7         started        12 HANDELSHJSKO.exe 2->12         started        14 WINWORD.EXE 291 25 2->14         started        process3 dnsIp4 39 wsdy1scmtonhumanrightjusticeorganizatin.duckdns.org 103.140.251.213, 49167, 80 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 7->39 29 C:\Users\user\AppData\Roaming\vbc.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\win32[1].exe, PE32 7->31 dropped 63 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->63 16 vbc.exe 7->16         started        65 Writes to foreign memory regions 12->65 67 Tries to detect Any.run 12->67 69 Hides threads from debuggers 12->69 19 ieinstal.exe 10 12->19         started        file5 signatures6 process7 dnsIp8 41 Antivirus detection for dropped file 16->41 43 Multi AV Scanner detection for dropped file 16->43 45 Writes to foreign memory regions 16->45 22 ieinstal.exe 3 12 16->22         started        33 gbhomehealth.org 19->33 47 Tries to detect Any.run 19->47 49 Hides threads from debuggers 19->49 signatures9 process10 dnsIp11 35 newrem.duckdns.org 192.71.172.212, 4229, 49169 TELIANETTeliaCarrierEU Sweden 22->35 37 gbhomehealth.org 192.232.252.40, 49168, 49170, 80 UNIFIEDLAYER-AS-1US United States 22->37 27 C:\Users\user\AppData\...\HANDELSHJSKO.exe, data 22->27 dropped 59 Tries to detect Any.run 22->59 61 Hides threads from debuggers 22->61 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11e021f5ccf8e8af0f64a10c1fae6285df671c2ad5a97d30f0d888374764128b/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-09-11 13:49:16 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/200911-cbgbtrrjy6/
Behaviour
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: MapViewOfSection
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
Office loads VBA resources, possible macro or embedded object present
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Uses the VBS compiler for execution
Checks computer location settings
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:
Bloodhound
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/11e021f5ccf8e8af0f64a10c1fae6285df671c2ad5a97d30f0d888374764128b

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.

Web download

Rich Text Format (RTF) rtf 11e021f5ccf8e8af0f64a10c1fae6285df671c2ad5a97d30f0d888374764128b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/463244/
  
Delivery method
Distributed via web download

Comments