MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d6f96bb83918a989bf793192339ecc548b49fa5780c7adcbf6fb9409bda6575. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d6f96bb83918a989bf793192339ecc548b49fa5780c7adcbf6fb9409bda6575
SHA3-384 hash: 9968b861276000de2e23c75fe65f6b1e89a3f0747a94083d91019dbe2661e856f6dedcc5f08493304473ac21c9a32335
SHA1 hash: 361a0c9e899ab62dac27c296b40a53bc94399dfa
MD5 hash: 85032a7cfe0cbc43986c00caf0b986b1
humanhash: three-stream-berlin-leopard
File name:NUEVA PO AC71189.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:71'170 bytes
First seen:2024-02-02 10:18:14 UTC
Last seen:2024-02-02 12:49:43 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:3wAlRkwAlRkwAlRHeDzTxuX5bJyZXi1Ag6zQR:3wAlawAlawAlJ+0X5FyZy1J6zQR
TLSH T12063822DD34B02598F520377AB1B1E5042BDBA7EF39552B1306C537933EAC39A1262BD
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
3
# of downloads :
338
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

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

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

Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/9d6f96bb83918a989bf793192339ecc548b49fa5780c7adcbf6fb9409bda6575/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65bcc19db012cce0edb95ea8/reports/6d578c49-7c14-4008-8024-c861e2889874/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/9d6f96bb83918a989bf793192339ecc548b49fa5780c7adcbf6fb9409bda6575
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=2d1e6239-05dd-49fd-bac2-c65c7afbeb1c
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1385502
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
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 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)
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1385502 Sample: NUEVA_PO_AC71189.doc Startdate: 02/02/2024 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 20 other signatures 2->51 8 WINWORD.EXE 291 16 2->8         started        process3 file4 25 ~WRF{18E2009C-0F2B...D-B03CC8DCA93F}.tmp, Composite 8->25 dropped 11 EQNEDT32.EXE 11 8->11         started        process5 dnsIp6 35 kalnet.top 104.21.81.37, 443, 49160 CLOUDFLARENETUS United States 11->35 27 C:\Users\user\AppData\Roaming\plug56309.exe, PE32 11->27 dropped 29 C:\Users\user\AppData\Local\...\plugzx[1].exe, PE32 11->29 dropped 61 Installs new ROOT certificates 11->61 63 Office equation editor establishes network connection 11->63 65 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->65 16 plug56309.exe 1 8 11->16         started        file7 signatures8 process9 signatures10 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 2 other signatures 16->43 19 plug56309.exe 12 2 16->19         started        23 powershell.exe 4 16->23         started        process11 dnsIp12 31 smtp.yandex.ru 77.88.21.158, 49162, 587 YANDEXRU Russian Federation 19->31 33 smtp.yandex.com 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 59 Installs new ROOT certificates 23->59 signatures13
Score:
49%
Verdict:
Susipicious
File Type:
ASCII
Link:
https://malprob.io/report/9d6f96bb83918a989bf793192339ecc548b49fa5780c7adcbf6fb9409bda6575
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9d6f96bb83918a989bf793192339ecc548b49fa5780c7adcbf6fb9409bda6575/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-02-01 04:26:10 UTC
File Type:
Document
Extracted files:
4
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tvxzno4dsgfjrg7xsmmsgopmyveljh5fpaghvxf7n64ubg62mv2q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240202-mchewsdfhp/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Modifies system certificate store
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
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
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
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9d6f96bb8391/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/9d6f96bb83918a989bf793192339ecc548b49fa5780c7adcbf6fb9409bda6575

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_EXPLOIT_CVE_2017_11882_4
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
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.

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