MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 669ea7e10648928c344d73f35e28f92a33702a8636be337b389145a94e065c2c. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 669ea7e10648928c344d73f35e28f92a33702a8636be337b389145a94e065c2c
SHA3-384 hash: 5438ecf042b8dc7eb0ec6f47484d3084d6383410ebe21832242f199330cad2f868506ee7b1ef916102e144c300a526a7
SHA1 hash: ca7bb6712fc7c1972d4ab6d5046d4652ad33e5ec
MD5 hash: 9753a8454818b1153caadd3e3ea6c365
humanhash: video-helium-dakota-louisiana
File name:SecuriteInfo.com.Exploit.CVE-2018-0798.4.22638.11164
Download: download sample
Signature AgentTesla
Create hunting rule
File size:47'414 bytes
First seen:2023-09-07 13:33:15 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 384:HL0AbZSikcMX93wRWjEx9Xvb+ECflIrQxNJxrj5dbz0Rv+II7NzsLjI0O:HwAbZSibMX9gRWjo1SEGjN3HKLE0O
TLSH T149232629934F01A9CF62523B9B2A1E4541FCBB7EF68451A5306C433933EEC3DA1256BD
Reporter SecuriteInfoCom
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Exploit.CVE-2018-0798.4.22638.11164
Verdict:
Malicious activity
Analysis date:
2023-09-07 13:34:50 UTC
Tags:
exploit cve-2017-11882 loader stealer agenttesla
Link:
https://app.any.run/tasks/1a5e62bd-4c7a-4070-8285-96e2a9029323

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Exploit.CVE-2018-0798.4.22638.11164.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
Сreating synchronization primitives
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
Link:
https://app.docguard.net/669ea7e10648928c344d73f35e28f92a33702a8636be337b389145a94e065c2c/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/64f9d14c4578d9c35e061d3b/reports/814144ae-cd41-43e8-bb1a-467b56d85710/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/669ea7e10648928c344d73f35e28f92a33702a8636be337b389145a94e065c2c
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1305352
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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)
Potential downloader shellcode found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Shellcode detected
Sigma detected: File Dropped By EQNEDT32EXE
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 known network protocols on non-standard ports
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1305352 Sample: SecuriteInfo.com.Exploit.CV... Startdate: 07/09/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 16 other signatures 2->51 7 EQNEDT32.EXE 11 2->7         started        12 WINWORD.EXE 336 13 2->12         started        14 EQNEDT32.EXE 2->14         started        process3 dnsIp4 35 185.28.39.17, 49164, 7777 NETROUTING-ASNL Belgium 7->35 29 C:\Users\user\AppData\...\arinzeolfif8468.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\...\arinzezx[1].exe, PE32 7->31 dropped 59 Office equation editor establishes network connection 7->59 61 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->61 16 arinzeolfif8468.exe 1 7 7->16         started        file5 signatures6 process7 signatures8 37 Multi AV Scanner detection for dropped file 16->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->39 41 Machine Learning detection for dropped file 16->41 43 Injects a PE file into a foreign processes 16->43 19 arinzeolfif8468.exe 2 16->19         started        23 WMIADAP.exe 3 16->23         started        25 arinzeolfif8468.exe 16->25         started        27 2 other processes 16->27 process9 dnsIp10 33 cp5ua.hyperhost.ua 19->33 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->53 55 Tries to steal Mail credentials (via file / registry access) 19->55 57 Tries to harvest and steal browser information (history, passwords, etc) 19->57 signatures11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/669ea7e10648928c344d73f35e28f92a33702a8636be337b389145a94e065c2c/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-09-07 13:34:06 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2pkpyigjcjiyncnopzv4khzfizxakugg27dg6zysfc2stqglqwa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230907-qt4agaaa6x/
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 use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Drops file in System32 directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/669ea7e10648/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/669ea7e10648928c344d73f35e28f92a33702a8636be337b389145a94e065c2c

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
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
Create hunting rule
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 669ea7e10648928c344d73f35e28f92a33702a8636be337b389145a94e065c2c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2710134/
  
Delivery method
Distributed via web download

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