MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1202b3945fc4180dde14d70d30c462fceb63a997a39948890682860cb654bba0. 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 3 File information Comments 1

SHA256 hash: 1202b3945fc4180dde14d70d30c462fceb63a997a39948890682860cb654bba0
SHA3-384 hash: cd29ebd8c692e38c62217d3ae40298010f42322fbf6fee18135895722ed7ca7cfc0624924bdbc1638f6ee236a8f556f2
SHA1 hash: 0e39f0b6c29d04a1aebb4d06a6394c44dec250bb
MD5 hash: a3abd638cccbba1a516aea8fd2d63371
humanhash: river-lion-fourteen-winter
File name:a3abd638cccbba1a516aea8fd2d63371
Download: download sample
Signature AgentTesla
File size:14'181 bytes
First seen:2023-02-16 09:38:03 UTC
Last seen:2023-02-16 11:35:07 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:7dNaVzR6aL/QZ0766FrAZUqancHWRwjqkhjm/3WOkT/9YhjX0QwOR8ardSn3L7Hp:h8x4aL/D6KUUqa7shieZmhDj9i35
TLSH T1BF52E7511B8DACF2C269E1B35229850A48BDF667304B1EE8B9CDD1463BFD20D49F82F5
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order Inquiry.docx
Verdict:
Malicious activity
Analysis date:
2023-02-16 08:27:00 UTC
Tags:
opendir exploit cve-2017-11882 loader

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

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
Creating a process with a hidden window
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-11882 embedequation exploit packed shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 809600 Sample: IYnhJfoYRX.rtf Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 10 other signatures 2->68 7 EQNEDT32.EXE 12 2->7         started        12 taskeng.exe 1 2->12         started        14 gcWPrHZ.exe 2->14         started        16 3 other processes 2->16 process3 dnsIp4 60 107.175.202.151, 49179, 80 AS-COLOCROSSINGUS United States 7->60 56 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->56 dropped 58 C:\Users\Public\vbc.exe, PE32 7->58 dropped 96 Office equation editor establishes network connection 7->96 98 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->98 18 vbc.exe 1 8 7->18         started        22 GWAzwhj.exe 2 12->22         started        100 Multi AV Scanner detection for dropped file 14->100 102 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->102 104 Machine Learning detection for dropped file 14->104 106 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->106 24 gcWPrHZ.exe 14->24         started        26 powershell.exe 14->26         started        28 schtasks.exe 14->28         started        108 Adds a directory exclusion to Windows Defender 16->108 110 Injects a PE file into a foreign processes 16->110 30 gcWPrHZ.exe 16->30         started        32 powershell.exe 16->32         started        34 schtasks.exe 16->34         started        file5 signatures6 process7 file8 50 C:\Users\user\AppData\RoamingbehaviorgraphWAzwhj.exe, PE32 18->50 dropped 52 C:\Users\user\AppData\Local\...\tmp5F11.tmp, XML 18->52 dropped 70 Multi AV Scanner detection for dropped file 18->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->72 74 Machine Learning detection for dropped file 18->74 76 Uses schtasks.exe or at.exe to add and modify task schedules 18->76 36 vbc.exe 1 4 18->36         started        40 powershell.exe 6 18->40         started        42 schtasks.exe 18->42         started        78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->78 80 Adds a directory exclusion to Windows Defender 22->80 82 Injects a PE file into a foreign processes 22->82 44 GWAzwhj.exe 22->44         started        46 powershell.exe 22->46         started        48 schtasks.exe 22->48         started        84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->84 86 Tries to steal Mail credentials (via file / registry access) 30->86 88 Tries to harvest and steal browser information (history, passwords, etc) 30->88 signatures9 process10 file11 54 C:\Users\user\AppData\Roaming\...\gcWPrHZ.exe, PE32 36->54 dropped 90 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->90 92 Tries to steal Mail credentials (via file / registry access) 36->92 94 Hides that the sample has been downloaded from the Internet (zone.identifier) 36->94 signatures12
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-02-16 06:14:24 UTC
File Type:
Document
Extracted files:
5
AV detection:
14 of 25 (56.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
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: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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 1202b3945fc4180dde14d70d30c462fceb63a997a39948890682860cb654bba0

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-02-16 09:38:05 UTC

url : hxxp://107.175.202.151/O_O.DOC