MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee5c4b17cd1da34f6ad2d47de7bf8fad000705086c34243cc0d36a15e1dfb903. 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: ee5c4b17cd1da34f6ad2d47de7bf8fad000705086c34243cc0d36a15e1dfb903
SHA3-384 hash: ffebde0a2b7f0078023c0b72f2f15058a79573c309cbad0f9067212f0880e8c71b6e53ddb16c667b76c238bada7946e9
SHA1 hash: f879369a4da547c9778025ebeba3b58e28372f8e
MD5 hash: a126d8e25e0d57c17c815713b389ee34
humanhash: spring-johnny-florida-uranus
File name:a126d8e25e0d57c17c815713b389ee34
Download: download sample
Signature AgentTesla
File size:71'054 bytes
First seen:2024-03-13 12:19:26 UTC
Last seen:2024-03-13 14:28:24 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:LBJJZKass8qvfQ6v1iEyLj8IjWCsO+WAZaLWWu19TO2jw:LBjZ5sXI10j8SWCr+5aBu19TOqw
TLSH T18163473AE70F0925DF55E67B434A4B8A09FCB33D728540A179BC973437AD81E4A2297C
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
157
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ee5c4b17cd1da34f6ad2d47de7bf8fad000705086c34243cc0d36a15e1dfb903.rtf
Verdict:
No threats detected
Analysis date:
2024-03-13 12:19:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Changing an executable file
Infecting executable files
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:
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
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
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 domain / URL
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)
Shellcode detected
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1408188 Sample: E5QKhFcVJE.rtf Startdate: 13/03/2024 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 18 other signatures 2->44 8 WINWORD.EXE 336 13 2->8         started        process3 process4 10 EQNEDT32.EXE 12 8->10         started        15 EQNEDT32.EXE 8->15         started        dnsIp5 30 198.12.81.158, 49160, 80 AS-COLOCROSSINGUS United States 10->30 24 C:\Users\user\AppData\Roaming24SS.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...26SS[1].exe, PE32 10->26 dropped 54 Office equation editor establishes network connection 10->54 56 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->56 17 NSS.exe 1 7 10->17         started        file6 signatures7 process8 signatures9 32 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->32 34 Machine Learning detection for dropped file 17->34 36 Injects a PE file into a foreign processes 17->36 20 NSS.exe 12 2 17->20         started        process10 dnsIp11 28 api.ipify.org 172.67.74.152, 443, 49162 CLOUDFLARENETUS United States 20->28 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->46 48 Installs new ROOT certificates 20->48 50 Tries to steal Mail credentials (via file / registry access) 20->50 52 Tries to harvest and steal browser information (history, passwords, etc) 20->52 signatures12
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-03-12 10:45:09 UTC
File Type:
Document
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer 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
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
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

AgentTesla

Rich Text Format (RTF) rtf ee5c4b17cd1da34f6ad2d47de7bf8fad000705086c34243cc0d36a15e1dfb903

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-03-13 12:19:27 UTC

url : hxxp://198.12.81.158/jjh/jj/weconnectedlovereachotherformakethemhappyandsmilethemwithallheartstilltheyarereallyhappy____withourloverstogetbackintheworldoflove.doc