MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736
SHA3-384 hash: d6eeb54b7ccceffd282634b44bb8397acc2f29745e33b4ba11af4fac3919a1b39dc5c71acd0a5d50ee0f4ed734cfb9b8
SHA1 hash: 7d3beb4f58be3d8d102e9f2d35977f80455d5e79
MD5 hash: 6bb9c3e8fe6189443d336d35e3eea9e6
humanhash: mockingbird-uncle-delaware-wyoming
File name:6bb9c3e8fe6189443d336d35e3eea9e6
Download: download sample
Signature AgentTesla
Create hunting rule
File size:72'397 bytes
First seen:2024-03-22 03:59:12 UTC
Last seen:2024-03-22 05:24:35 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:BEDp74pvSJb+bE/hVxGXVfQk+yTQmDylCJsxq:2Jxb+Q/hqfQk+yTlDoNq
TLSH T19263262EE34F0955DF55E67B434A4B4A09FCB33E728540A139BC97743BAD81E4A2287C
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
131
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736.rtf
Verdict:
No threats detected
Analysis date:
2024-03-22 04:06:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8a7b477b-87cc-4a50-9399-947b25c9dc16

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

Behaviour
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
Changing an executable file
Launching a service
Connection attempt to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Infecting executable files
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65fd0245757c624818b5c0de/reports/7d868fa1-8c34-4495-9a5d-bf1f73f659c8/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1413820
Signature
.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 domain / URL
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1413820 Sample: U9zp8kE2Ih.rtf Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 19 other signatures 2->52 8 WINWORD.EXE 291 15 2->8         started        11 mpTrle.exe 2 2->11         started        14 mpTrle.exe 2 2->14         started        process3 file4 40 ~WRF{B2EB958E-24AA...B-E37F841A7CFA}.tmp, Composite 8->40 dropped 16 EQNEDT32.EXE 12 8->16         started        21 CNN.exe 13 4 8->21         started        68 Multi AV Scanner detection for dropped file 11->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->70 72 Machine Learning detection for dropped file 11->72 23 mpTrle.exe 12 2 11->23         started        74 Injects a PE file into a foreign processes 14->74 25 mpTrle.exe 14->25         started        27 mpTrle.exe 14->27         started        signatures5 process6 dnsIp7 42 198.46.176.159, 49161, 80 AS-COLOCROSSINGUS United States 16->42 34 C:\Users\user\AppData\Roaming\CNN.exe, PE32 16->34 dropped 36 C:\Users\user\AppData\Local\...\CNN[1].exe, PE32 16->36 dropped 54 Office equation editor establishes network connection 16->54 56 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 16->56 29 CNN.exe 1 7 16->29         started        38 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 21->38 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->58 44 api.ipify.org 104.26.13.205, 443, 49162 CLOUDFLARENETUS United States 25->44 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->60 62 Installs new ROOT certificates 25->62 64 Tries to steal Mail credentials (via file / registry access) 25->64 66 Tries to harvest and steal browser information (history, passwords, etc) 25->66 file8 signatures9 process10 signatures11 76 Multi AV Scanner detection for dropped file 29->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 29->78 80 Machine Learning detection for dropped file 29->80 82 Injects a PE file into a foreign processes 29->82 32 CNN.exe 29->32         started        process12
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-03-21 09:25:47 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=p5zp5q6e7cdrwe72zt4mguy4wq5rqdjnrcgr4kp7ujlrfqrbg43a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240322-eknb4sge28/
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
Adds Run key to start application
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
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7f72fec3c4f8/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/7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736

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
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 7f72fec3c4f8871b13faccf8c3531cb43b180d2d888d1e29ffa25712c2213736

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2789593/

Comments


Avatar
zbet commented on 2024-03-22 03:59:13 UTC

url : hxxp://198.46.176.159/xampp/deto/de/wecanwinthisproblemtoundersatndkissingpoweroflovetogetitbackfromtheloversheisbeautifulforme____itrulylovingherwihtallmylovesheisgood.doc