MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b1195da0384083aa583b862ca6f9c1397c5ae162f15576d37ebd40dbbdd1e73. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: 9b1195da0384083aa583b862ca6f9c1397c5ae162f15576d37ebd40dbbdd1e73
SHA3-384 hash: 7eea534496ea52b6ece1066d3772bb6ba80bedb993eb0fc747ede0b02c695bc028d0915b20224efed7221f8a45e2e17b
SHA1 hash: 7a94e6c33ac6d0d3a0f548c63c79d1ae3868b222
MD5 hash: aed387c2000a4a37308a90431ddf9070
humanhash: kentucky-summer-vegan-autumn
File name:aed387c2000a4a37308a90431ddf9070
Download: download sample
File size:38'036 bytes
First seen:2023-07-18 13:26:59 UTC
Last seen:2023-07-18 14:34:12 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:lFx0XaIsnPRIa4fwJMOc8MT+zDAtA1qwYo5kIQB1kmVwJAhv+bQWMbXC:lf0Xvx3EMOc8MT+wO1YIQ7kl++bQJbXC
TLSH T19703175AE79F02A48F4103B3671B1E999ABD723DB35154B134AC933433EDC3A42666BC
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
JUSTIFICANTE TRANSFERENCIA).docx
Verdict:
Malicious activity
Analysis date:
2023-07-18 11:33:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Moving a file to the %AppData% subdirectory
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-07-18 12:05:45 UTC
File Type:
Document
Extracted files:
3
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Program crash
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
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:INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

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 9b1195da0384083aa583b862ca6f9c1397c5ae162f15576d37ebd40dbbdd1e73

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-07-18 13:27:00 UTC

url : hxxp://87.121.221.212/officialzx.doc