MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 965c26393e3b278c346831c9efc6c344386d1e06fc4f1921c7ce67b0cf0e4a36. 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



AgentTesla


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments 1

SHA256 hash: 965c26393e3b278c346831c9efc6c344386d1e06fc4f1921c7ce67b0cf0e4a36
SHA3-384 hash: 4079be1b3a9a0858021688b174feb493a7f393432692c2ce707a6cf86ff46737d8f77b39ad883f759b76a03a8832496b
SHA1 hash: f5212e43164146c5015f2091f3f0e69be9909028
MD5 hash: 6f2f933c81549f01eb55e42a0d85535e
humanhash: lithium-artist-single-india
File name:6f2f933c81549f01eb55e42a0d85535e
Download: download sample
Signature AgentTesla
File size:115'999 bytes
First seen:2024-07-19 10:09:28 UTC
Last seen:2024-07-19 10:40:07 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:aT8K9cNCfAoIi3bhxpQOPSzlQTJb+PQMr4n6ZCF3SmMMQ4cjcZMbH3:aTnaEAaxOOPSziJ6IMr4n33bbQ4c0cX
TLSH T1A2B3F19C974F44A4CF946677031A4E8986FCB33EB71815B2B4AC43313BADD2D49629BC
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
92.5%
Tags:
Exploit Generic Office
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching a service
Launching a file downloaded from the Internet
Connection attempt 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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1476711 Sample: ViZX47VcWr.rtf Startdate: 19/07/2024 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for dropped file 2->62 64 17 other signatures 2->64 8 WINWORD.EXE 291 13 2->8         started        10 mpTrle.exe 2 2->10         started        13 mpTrle.exe 2 2->13         started        process3 signatures4 15 EQNEDT32.EXE 12 8->15         started        20 EQNEDT32.EXE 8->20         started        66 Antivirus detection for dropped file 10->66 68 Multi AV Scanner detection for dropped file 10->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->70 72 Machine Learning detection for dropped file 10->72 22 mpTrle.exe 12 2 10->22         started        74 Injects a PE file into a foreign processes 13->74 24 mpTrle.exe 13->24         started        process5 dnsIp6 42 107.172.4.179, 49165, 80 AS-COLOCROSSINGUS United States 15->42 34 C:\Users\user\AppData\Roaming\winiti.exe, PE32 15->34 dropped 36 C:\Users\user\AppData\Local\...\winiti[1].exe, PE32 15->36 dropped 46 Office equation editor establishes network connection 15->46 48 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 15->48 26 winiti.exe 1 7 15->26         started        44 api.ipify.org 24->44 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->50 52 Tries to steal Mail credentials (via file / registry access) 24->52 54 Tries to harvest and steal ftp login credentials 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 file7 signatures8 process9 signatures10 76 Antivirus detection for dropped file 26->76 78 Multi AV Scanner detection for dropped file 26->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->80 82 2 other signatures 26->82 29 winiti.exe 13 4 26->29         started        process11 dnsIp12 40 api.ipify.org 104.26.12.205, 443, 49166, 49167 CLOUDFLARENETUS United States 29->40 38 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 29->38 dropped 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->84 86 Installs new ROOT certificates 29->86 88 Tries to steal Mail credentials (via file / registry access) 29->88 90 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->90 file13 signatures14
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-07-18 19:06:08 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Blocklisted process makes network request
Process spawned unexpected child process
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Malware family:
AgentTesla
Verdict:
Malicious
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: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

AgentTesla

Rich Text Format (RTF) rtf 965c26393e3b278c346831c9efc6c344386d1e06fc4f1921c7ce67b0cf0e4a36

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-07-19 10:09:29 UTC

url : hxxp://107.172.4.179/xampp/weq/we/we.we.we.we.wewewewe.doc