MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 317d6e7564bb5a207b7e3c7f1fa895e0682557ba0a51515b6fc931c70b373a58. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 317d6e7564bb5a207b7e3c7f1fa895e0682557ba0a51515b6fc931c70b373a58
SHA3-384 hash: eab2ed9b746fe4d08890be2d77ca97b6e85a40dc0f84b9b65e64e8ab1e40944aba5fec18295ebec2e588df09f19ef12e
SHA1 hash: 7eb410c767b1a343982d90ff2093564d6eeda561
MD5 hash: 9c26dc7c2f3edfda5d507f33a2540dbd
humanhash: west-mars-washington-autumn
File name:DOCX RFQ#2.rtf
Download: download sample
File size:8'644 bytes
First seen:2020-12-08 06:32:28 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 96:u4oBhvS4BNEcYbXK1/dWMNdvxa5Kilc7gCvCLA9jdFoG7hGZSAPnxXY6kG:u4w5SSNbYb6LWMfJ2LAhd2OhG8ge6N
TLSH 2E02F72A5F855C13E60BD1E2E45A7E620151F15BEADB1A8033ACF9F40FA706A583C043
Reporter cocaman
Tags:CVE-2017-11882 rtf


Avatar
cocaman
Malicious email (T1566.001)
From: "Basra Office NBC <Basrah@naseem-baghdad.com>" (likely spoofed)
Received: "from naseem-baghdad.com (unknown [156.96.62.84]) "
Date: "07 Dec 2020 17:01:18 -0800"
Subject: "RFQ: MPI (Missan oil training institute) - New Orders Direct purchase 07.12.2020"
Attachment: "DOCX RFQ#2.rtf"

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 :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOCX RFQ#2.rtf
Verdict:
No threats detected
Analysis date:
2020-12-08 06:35:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dfd41c99-d628-4571-b862-be51c175eabe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

Rtf.Exploit.CVE_2017_11882-6584355-0
Create hunting rule

Rtf.Exploit.CVE_2018_0802-6825822-0
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
DNS request
Creating a file in the %AppData% directory
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/317d6e7564bb5a207b7e3c7f1fa895e0682557ba0a51515b6fc931c70b373a58/results/dashboard
Result
Gathering data
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/557601
Signature
Antivirus detection for URL or domain
Multi AV Scanner detection for submitted file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/317d6e7564bb5a207b7e3c7f1fa895e0682557ba0a51515b6fc931c70b373a58/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-06 06:21:13 UTC
File Type:
Document
Extracted files:
4
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201208-5s64vwzc22/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
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
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Exploit
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/317d6e7564bb5a207b7e3c7f1fa895e0682557ba0a51515b6fc931c70b373a58

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.

Malspam

Rich Text Format (RTF) rtf 317d6e7564bb5a207b7e3c7f1fa895e0682557ba0a51515b6fc931c70b373a58

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments