MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48a35d8cff0fe7e815f69169ab8014767ecc307ac03f55110c47c7ed0185fe56. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48a35d8cff0fe7e815f69169ab8014767ecc307ac03f55110c47c7ed0185fe56
SHA3-384 hash: added0fdcba57f846fcbf5810299723eed937cd9b0e402f58c239172a1d0d6808265c3fd2e991252e0c899067ebc80fa
SHA1 hash: f415bcfe0db7e8f82cd7a12beb8e45e55c127126
MD5 hash: c1f39c0b60ddf78da94b5ee7231dfe58
humanhash: sierra-gee-fifteen-fourteen
File name:doc.doc
Download: download sample
File size:11'309 bytes
First seen:2022-03-22 14:55:43 UTC
Last seen:2022-03-22 16:44:39 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 192:XjRkXe7k8BL4htbGy4tAT0jWEHWhM7o7z9Riy5DeAVRD1fOaH2:XjRGe7kQkjz4OjdDRpsA3hOaH2
TLSH T15B326D786D992921F65B8E36DD1FFFA48536F0E762D62E8203ADE0F014F21A0572690C
Reporter JAMESWT_WT
Tags:CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://34.221.57.122/doc.doc
Verdict:
Suspicious activity
Analysis date:
2022-03-23 02:08:52 UTC
Tags:
opendir
Link:
https://app.any.run/tasks/4e17ee7c-f625-4e7b-927b-422c0600d5e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Reading critical registry keys
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a file
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/48a35d8cff0fe7e815f69169ab8014767ecc307ac03f55110c47c7ed0185fe56/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
CVE-2017-11882 CVE-2018-0802 embedequation exploit greyware packed shellcode update.exe
Link:
https://www.filescan.io/uploads/6239e3900cd58dbd92d73a80/reports/157c0806-fd95-4fc2-b158-5099373c872e/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/961770
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48a35d8cff0fe7e815f69169ab8014767ecc307ac03f55110c47c7ed0185fe56/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-03-22 14:56:09 UTC
File Type:
Document
Extracted files:
5
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220322-sa2cwacefk/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
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
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/48a35d8cff0f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/48a35d8cff0fe7e815f69169ab8014767ecc307ac03f55110c47c7ed0185fe56

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:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_1
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents potentially exploiting CVE-2017-11882
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

Word file doc 48a35d8cff0fe7e815f69169ab8014767ecc307ac03f55110c47c7ed0185fe56

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2110929/
  
Delivery method
Distributed via web download

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