MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c
SHA3-384 hash: d04278120123f12a53e40aae522b54c6e91f8e0436fea6767711a599e8449349206aa4c7a68503f430370a8d278009c6
SHA1 hash: 725e0ef5dc64747d1fe87190772621ae5b6ca83c
MD5 hash: 79d8f9c7b1d524cb81fd22aa7f513ae6
humanhash: alanine-helium-carbon-robert
File name:zero.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:332'549 bytes
First seen:2024-05-09 09:20:03 UTC
Last seen:2024-05-09 10:31:59 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:PwAYwAYwAYwAYwAYwAYwAYwAYwAYwAaWMehzMyQzaf:M
TLSH T16064C02DD34B02598F620377AB571E5142BDBA7EF38552B1302C537933EAC39A1252BE
Reporter pr0xylife
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
345
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c.doc
Verdict:
Suspicious activity
Analysis date:
2024-05-09 09:26:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c0191ff1-1cd9-49df-991d-793fc7fa0982

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

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
Launching a process
Using the Windows Management Instrumentation requests
Creating a file
Reading critical registry keys
DNS request
Connection attempt
Creating a window
Sending a custom TCP request
Launching a service
Query of malicious DNS domain
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/663c954ab8652ad994a31a3e/reports/cf424427-3515-42d5-a239-d01f70c8e0fd/overview
Verdict:
Malicious
Labled as:
CVE-2018-0798
Link:
https://www.hybrid-analysis.com/sample/84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438837
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Equation Editor Network Connection
Sigma detected: Suspicious Microsoft Office Child Process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1438837 Sample: zero.doc Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 12 other signatures 2->39 8 WINWORD.EXE 336 14 2->8         started        process3 process4 10 EQNEDT32.EXE 11 8->10         started        15 EQNEDT32.EXE 8->15         started        dnsIp5 27 dukeenergyltd.top 104.21.25.202, 443, 49163 CLOUDFLARENETUS United States 10->27 23 C:\Users\user\AppData\Roaming\plug62008.scr, PE32 10->23 dropped 25 C:\Users\user\AppData\Local\...\plugm[1].scr, PE32 10->25 dropped 49 Installs new ROOT certificates 10->49 51 Office equation editor establishes network connection 10->51 53 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 10->53 17 plug62008.scr 2 10->17         started        file6 signatures7 process8 signatures9 29 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->29 31 Injects a PE file into a foreign processes 17->31 20 plug62008.scr 2 17->20         started        process10 signatures11 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->41 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal ftp login credentials 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-05-09 01:36:31 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qswu6oewmpruvpz2bmhdla4o4tomsdb6m6pblveitgp3j4prvqwa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240509-las8yadd67/
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
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/84ad4f389663/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/84ad4f389663e34abf3a0b0e35838ee4dcc90c3e679e15d488999fb4f1f1ac2c

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.

Comments