MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 893a1f9039279c4d0776fe6bfa1df3d0722c803e824b3fcbb93b4a2e61966119. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: 893a1f9039279c4d0776fe6bfa1df3d0722c803e824b3fcbb93b4a2e61966119
SHA3-384 hash: 0dfb820ee1f6f14ecad50b495e3d8fd25c96fd19a5ea94c6eb878ab8303e8d3eecd93c0b9a6d2d5b0aea8e779b9b8170
SHA1 hash: 7da1e4636f800921dad1159acaff468bc688a86e
MD5 hash: 23527c2589d9347ba19bfa5ed02737da
humanhash: whiskey-cardinal-texas-jersey
File name:23527c2589d9347ba19bfa5ed02737da
Download: download sample
Signature AgentTesla
File size:26'802 bytes
First seen:2021-11-30 20:20:51 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:TpqvKi8zABD8Q95m4TKCKS+P/JAwG7bcA:li8zQ8Q95m4THKS+P85
TLSH T178C2A77EF5570E889E96D67C060AABA9064CF51D73C440A13B7CDB387A4C91B8B22D3C
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO20201120 PACKING LIST INVOICE - FIRST 2 CONTAINERS 1110.docx
Verdict:
Malicious activity
Analysis date:
2021-11-30 18:32:02 UTC
Tags:
generated-doc trojan 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
DNS request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Forced system process termination
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-11882 embedequation exploit shellcode
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
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)
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: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 531501 Sample: fSK3Q4jYT1 Startdate: 30/11/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Antivirus detection for URL or domain 2->38 40 Antivirus detection for dropped file 2->40 42 14 other signatures 2->42 7 EQNEDT32.EXE 12 2->7         started        12 WINWORD.EXE 291 19 2->12         started        process3 dnsIp4 32 104.129.4.31, 49165, 80 ASN-QUADRANET-GLOBALUS United States 7->32 24 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->24 dropped 26 C:\Users\Public\vbc.exe, PE32 7->26 dropped 56 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->56 14 vbc.exe 12 7->14         started        28 ~WRF{6288C1D1-2009...6-D5A2CD5CA851}.tmp, Composite 12->28 dropped file5 signatures6 process7 dnsIp8 34 194.85.248.219, 49166, 80 DATACENTERRO Russian Federation 14->34 58 Multi AV Scanner detection for dropped file 14->58 60 Machine Learning detection for dropped file 14->60 62 Writes to foreign memory regions 14->62 64 2 other signatures 14->64 18 aspnet_regbrowsers.exe 4 14->18         started        22 aspnet_regbrowsers.exe 14->22         started        signatures9 process10 dnsIp11 30 odin.mk-host.com 209.205.200.74, 49168, 587 24SHELLSUS United States 18->30 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->44 46 Tries to steal Mail credentials (via file / registry access) 18->46 48 Tries to harvest and steal ftp login credentials 18->48 50 Tries to harvest and steal browser information (history, passwords, etc) 18->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->54 signatures12
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-11-30 08:02:53 UTC
File Type:
Document
Extracted files:
5
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer suricata trojan
Behaviour
Checks processor information in registry
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
AgentTesla Payload
AgentTesla
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware family:
Agent Tesla v3
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

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 893a1f9039279c4d0776fe6bfa1df3d0722c803e824b3fcbb93b4a2e61966119

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-30 20:20:52 UTC

url : hxxp://104.129.4.31/..........W-----W.....W-w---------------W...W...w-----wW-------.---/...-......-W......Ww.......-----wW...w----W.-------------Ww-----.----.w-.wW..wbk