MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20df06eac0646a854a74337a706c39a5583f24f6bbd1836b344f5614a46a0e92. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20df06eac0646a854a74337a706c39a5583f24f6bbd1836b344f5614a46a0e92
SHA3-384 hash: 86377a6a3f97b74164d88c78ae471f84fa1317a9553578fd10c89a284aaa039dddde3e361947db34455734a781057771
SHA1 hash: 4ed0e1b0bbe26e18272867ee56135d0b6db8b1a7
MD5 hash: 7f0575ad2474f43d494f501f380e2421
humanhash: hamper-winter-earth-johnny
File name:O-O-OOO.DOC
Download: download sample
Signature AgentTesla
Create hunting rule
File size:15'083 bytes
First seen:2023-02-22 12:34:01 UTC
Last seen:2023-02-22 14:42:14 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 384:ng2XhD6Iwl1SbkFD0ztP/2m+vXgZvqDPfBaIjTz:ng2dsqxPKwcPdjX
TLSH T19B62F8411BCE58F293A89233C225440648BEB27E371669F5B88DD4913BFD60C4AFD1F1
Reporter pr0xylife
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
232
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
O-O-OOO.DOC
Verdict:
Malicious activity
Analysis date:
2023-02-22 12:37:43 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/4fa5eaff-549f-4eb3-b828-dbec9a893823

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.28881.RtfHeur.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/20df06eac0646a854a74337a706c39a5583f24f6bbd1836b344f5614a46a0e92/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
67%
Tags:
embedequation exploit
Link:
https://www.filescan.io/uploads/63f60bbd01b99ad33e7ff7de/reports/d06d643a-d3e7-40f3-93b5-fb3a4482ce84/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/20df06eac0646a854a74337a706c39a5583f24f6bbd1836b344f5614a46a0e92
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=811a7e6f-e95b-47d8-85d3-fd4478e8685e
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1180558
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813385 Sample: O-O-OOO.DOC.doc Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 12 other signatures 2->51 7 EQNEDT32.EXE 12 2->7         started        12 WINWORD.EXE 336 16 2->12         started        14 EQNEDT32.EXE 2->14         started        process3 dnsIp4 35 198.23.187.143, 49171, 80 AS-COLOCROSSINGUS United States 7->35 25 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->25 dropped 27 C:\Users\Public\vbc.exe, PE32 7->27 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 vbc.exe 1 6 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 May check the online IP address of the machine 16->41 43 4 other signatures 16->43 19 vbc.exe 12 10 16->19         started        23 powershell.exe 6 16->23         started        process9 dnsIp10 29 api4.ipify.org 173.231.16.76, 443, 49172 WEBNXUS United States 19->29 31 api.telegram.org 149.154.167.220, 443, 49173 TELEGRAMRU United Kingdom 19->31 33 api.ipify.org 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/20df06eac0646a854a74337a706c39a5583f24f6bbd1836b344f5614a46a0e92/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 12:35:05 UTC
File Type:
Document
Extracted files:
5
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=edpqn2wamrvikstugn5ha3bzuvmd6jhwxpiyg2zuj5lbjjdkb2ja._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230222-prryzsbd27/
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 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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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 Config
C2 Extraction:
https://api.telegram.org/bot5851500456:AAGR5SiDXSkn8lCoZA-eArnoTA9CuFr-jC0/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/20df06eac064/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/20df06eac0646a854a74337a706c39a5583f24f6bbd1836b344f5614a46a0e92

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

Word file doc 20df06eac0646a854a74337a706c39a5583f24f6bbd1836b344f5614a46a0e92

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2548789/
  
Delivery method
Distributed via web download

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