MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c51f56e565c236b2e669c39368924762a0cae2461cdfb5fc86ff2030ea81e9e7. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: c51f56e565c236b2e669c39368924762a0cae2461cdfb5fc86ff2030ea81e9e7
SHA3-384 hash: 2d2cc3d96ed09a57a4cdf86b28b4a630fc4cf5a40e3ce248fa413edb775db6e48567b25d08310c06f1bfaa5214d03994
SHA1 hash: 4c9cf3066de1f99fd70e52e7677d2bc84194bd5e
MD5 hash: 603eb947c50d8e706e9276faa4b6b87d
humanhash: florida-ack-fillet-aspen
File name:603eb947c50d8e706e9276faa4b6b87d.rtf
Download: download sample
Signature AgentTesla
File size:43'948 bytes
First seen:2023-06-22 10:39:47 UTC
Last seen:2023-06-22 11:44:39 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:VFx0XaIsnPRIa4fwJMUqaBVGkmkakCWnBXPeriUYkAWDzVJzvbpjj757DNmRE:Vf0Xvx3EMU9zgkCKBXPeWUYkjzVZRj7d
TLSH T1EB13D25EE78F02658F450272271B1E889ABDB63EB35145B178AC837433EDC3D42666BC
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter abuse_ch
Tags:AgentTesla andreasconstant-yandex-com CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
114
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
603eb947c50d8e706e9276faa4b6b87d.rtf
Verdict:
Malicious activity
Analysis date:
2023-06-22 10:43:14 UTC
Tags:
exploit cve-2017-11882 agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file in the %AppData% directory
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
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-06-22 10:40:13 UTC
File Type:
Document
Extracted files:
3
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
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
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
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
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
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 c51f56e565c236b2e669c39368924762a0cae2461cdfb5fc86ff2030ea81e9e7

(this sample)

  
Delivery method
Distributed via web download

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