MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a80e7804960d16a1b89bd8e46ba60cc697a396926edba4d3ca0ea0653b90fdd. 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: 2a80e7804960d16a1b89bd8e46ba60cc697a396926edba4d3ca0ea0653b90fdd
SHA3-384 hash: 1827817d5e657c51ff93c4968c6fd0819132c425108e5fd03c7debad528b31c0de21ebb636ac2ef05481fb330f029ed1
SHA1 hash: 90c34b2b7f0326f35a49ec41416198ea1049d1ba
MD5 hash: 44c187f1c2c4bc9560b31d63abea250f
humanhash: hotel-washington-magazine-fix
File name:44c187f1c2c4bc9560b31d63abea250f
Download: download sample
Signature AgentTesla
Create hunting rule
File size:27'380 bytes
First seen:2023-03-28 18:26:51 UTC
Last seen:2023-03-28 20:32:11 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:hXezyJo2UdMLL2lRmcv/tLdf35i9R2EbaD7GsR0ok/MRMNffW6mvvomavg46:sy+2Ud+2lRrLdv5O2saj0okgykAm8gZ
TLSH T119C2E2555B8C4C62F26AE87B464EE00E09BCF23634C255C4BD9DE2B47B7D10E4B6B1B8
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA MARCH.docx
Verdict:
Malicious activity
Analysis date:
2023-03-28 07:18:11 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/a9a90272-20ae-4fb8-b1cd-26a8dc97ed37

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.28765.RtfHeur.ObjUpd.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29030.RtfHeur.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
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/2a80e7804960d16a1b89bd8e46ba60cc697a396926edba4d3ca0ea0653b90fdd/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-11882 embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/6423317b80ca4ca1ff59de3c/reports/17b981a6-b9ed-4a0c-8e15-262eab942110/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/2a80e7804960d16a1b89bd8e46ba60cc697a396926edba4d3ca0ea0653b90fdd
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/1203773
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 836688 Sample: Sn2hWFcI9R.rtf Startdate: 28/03/2023 Architecture: WINDOWS Score: 100 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 Antivirus detection for dropped file 2->86 88 14 other signatures 2->88 7 EQNEDT32.EXE 12 2->7         started        12 taskeng.exe 1 2->12         started        14 eubJfun.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 66 192.3.243.151, 49171, 80 AS-COLOCROSSINGUS United States 7->66 58 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->58 dropped 60 C:\Users\Public\vbc.exe, PE32 7->60 dropped 110 Office equation editor establishes network connection 7->110 112 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->112 18 vbc.exe 1 8 7->18         started        22 RnzqvRAlVCaDTf.exe 2 12->22         started        114 Multi AV Scanner detection for dropped file 14->114 116 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->116 118 May check the online IP address of the machine 14->118 124 2 other signatures 14->124 24 eubJfun.exe 14->24         started        27 powershell.exe 14->27         started        29 schtasks.exe 14->29         started        31 eubJfun.exe 14->31         started        62 ~WRF{E174F666-AD86...F-2D30CB0E13AE}.tmp, Composite 16->62 dropped 120 Adds a directory exclusion to Windows Defender 16->120 122 Injects a PE file into a foreign processes 16->122 33 eubJfun.exe 16->33         started        35 powershell.exe 16->35         started        37 2 other processes 16->37 file5 signatures6 process7 dnsIp8 54 C:\Users\user\AppData\...\RnzqvRAlVCaDTf.exe, PE32 18->54 dropped 56 C:\Users\user\AppData\Local\...\tmpB655.tmp, XML 18->56 dropped 90 Multi AV Scanner detection for dropped file 18->90 92 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->92 94 May check the online IP address of the machine 18->94 108 2 other signatures 18->108 39 vbc.exe 13 4 18->39         started        44 powershell.exe 6 18->44         started        46 schtasks.exe 18->46         started        96 Machine Learning detection for dropped file 22->96 98 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->98 100 Adds a directory exclusion to Windows Defender 22->100 48 RnzqvRAlVCaDTf.exe 22->48         started        50 powershell.exe 22->50         started        52 schtasks.exe 22->52         started        74 api4.ipify.org 24->74 76 api.ipify.org 24->76 78 api4.ipify.org 33->78 80 api.ipify.org 33->80 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 33->102 104 Tries to steal Mail credentials (via file / registry access) 33->104 106 Tries to harvest and steal browser information (history, passwords, etc) 33->106 file9 signatures10 process11 dnsIp12 68 api4.ipify.org 104.237.62.211, 443, 49172, 49173 WEBNXUS United States 39->68 70 api.ipify.org 39->70 64 C:\Users\user\AppData\Roaming\...\eubJfun.exe, PE32 39->64 dropped 126 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 39->126 128 Tries to steal Mail credentials (via file / registry access) 39->128 130 Hides that the sample has been downloaded from the Internet (zone.identifier) 39->130 72 api.ipify.org 48->72 file13 signatures14
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a80e7804960d16a1b89bd8e46ba60cc697a396926edba4d3ca0ea0653b90fdd/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-03-28 03:20:03 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fkaopacjmdiwug4jxwhenotazruxuolje3w3utj4udvamu5zb7oq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230328-w3rkxseb6t/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a80e7804960/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/2a80e7804960d16a1b89bd8e46ba60cc697a396926edba4d3ca0ea0653b90fdd

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 2a80e7804960d16a1b89bd8e46ba60cc697a396926edba4d3ca0ea0653b90fdd

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2589197/

Comments


Avatar
zbet commented on 2023-03-28 18:26:57 UTC

url : hxxp://192.3.243.151/31....................31.................doc