MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e
SHA3-384 hash: 65b36085e84aebd65be0bdf56037802a6d90e3ceaabed28f5e59c9f97ee2f67ab520df960b8a1d05367f0e163e7c4fd7
SHA1 hash: d4ff3d3d6aafa8c7537be9746266daaad5a50fca
MD5 hash: 584c735262a9081e8936430d1e631f01
humanhash: bluebird-ten-dakota-pluto
File name:584c735262a9081e8936430d1e631f01
Download: download sample
Signature AgentTesla
Create hunting rule
File size:76'717 bytes
First seen:2024-05-01 15:13:58 UTC
Last seen:2024-05-01 16:23:05 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:vEIzYbFcANQv8Af88gjoUo9sQW9mtNnfCKIEvEySWhVwOF2JFWv/UUjRWHafPPTV:v0bmAI3gjoUP0CTE8pOFEFGMUjRWHafB
TLSH T10373C72EE70F0965DF51A73B434B4A4909FCB73DB28500A179AC97343BADC2E466297C
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
101
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e.rtf
Verdict:
Suspicious activity
Analysis date:
2024-05-01 15:15:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ee014bf4-0160-4439-918c-d93dbfc0f9c3

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
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

TwinWave.EvilRTF.ObfusRunAway.20240409.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process with a hidden window
Creating a file
Launching a service
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Creating a process from a recently created file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/66325c3c874e85cc56648bab/reports/79f803a2-c818-44bc-8b0f-73b8e7c6c0a5/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e
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/1434729
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
Allocates memory in foreign processes
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
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1434729 Sample: OWrVfOdM62.rtf Startdate: 01/05/2024 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 22 other signatures 2->64 8 WINWORD.EXE 291 15 2->8         started        11 taskeng.exe 2->11         started        process3 file4 48 ~WRF{16C4C793-6BF4...B-ED8B21C9380D}.tmp, Composite 8->48 dropped 13 EQNEDT32.EXE 12 8->13         started        18 conhost.exe 8->18         started        20 TDUOdzDXjTezF.exe 11->20         started        process5 dnsIp6 56 192.3.239.4, 49161, 80 AS-COLOCROSSINGUS United States 13->56 50 C:\Users\user\AppData\Roaming\hkc.exe, PE32 13->50 dropped 52 C:\Users\user\AppData\Local\...\see[1].exe, PE32 13->52 dropped 90 Office equation editor establishes network connection 13->90 92 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 13->92 22 hkc.exe 1 10 13->22         started        94 Multi AV Scanner detection for dropped file 20->94 96 Machine Learning detection for dropped file 20->96 98 Writes to foreign memory regions 20->98 100 3 other signatures 20->100 26 RegSvcs.exe 20->26         started        29 powershell.exe 20->29         started        31 powershell.exe 20->31         started        33 2 other processes 20->33 file7 signatures8 process9 dnsIp10 44 C:\Users\user\AppData\...\TDUOdzDXjTezF.exe, PE32 22->44 dropped 46 C:\Users\user\AppData\Local\...\tmp2A4B.tmp, XML 22->46 dropped 74 Multi AV Scanner detection for dropped file 22->74 76 Machine Learning detection for dropped file 22->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 22->78 88 4 other signatures 22->88 35 RegSvcs.exe 12 2 22->35         started        38 powershell.exe 4 22->38         started        40 RegSvcs.exe 22->40         started        42 2 other processes 22->42 54 api.ipify.org 104.26.13.205, 443, 49162 CLOUDFLARENETUS United States 26->54 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->80 82 Tries to steal Mail credentials (via file / registry access) 26->82 84 Tries to harvest and steal ftp login credentials 26->84 86 Tries to harvest and steal browser information (history, passwords, etc) 26->86 file11 signatures12 process13 signatures14 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 35->66 68 Tries to steal Mail credentials (via file / registry access) 35->68 70 Installs new ROOT certificates 38->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 40->72
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-05-01 10:30:34 UTC
File Type:
Document
Extracted files:
6
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwhn636vrynkwek5twuu6tuee7bjwqymxlanzhyb7fccyn5fzv7a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240501-sma2fsbh52/
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
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
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/cd8edf6fd58e/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/cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e

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 cd8edf6fd58e1aab115d9da94f4e8427c29b430cbac0dc9f01f9442c37a5cd7e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2833925/

Comments


Avatar
zbet commented on 2024-05-01 15:13:59 UTC

url : hxxp://192.3.239.4/xampp/weg/creatednewthingstounderstandhowgoodfishingdowithaboatwenotunderstandthatgirl___beautifulgirlkissedmelove.doc