MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1768eeca3dbf15b17955ec2e16702f1d3b39f79420e2c218c5f53019d85680cf. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 1768eeca3dbf15b17955ec2e16702f1d3b39f79420e2c218c5f53019d85680cf
SHA3-384 hash: 5ef37d6d1c1de8b090205836983352f60666a3cebee8a22e6d72f8e8c0dc71a443f91dda930b78871812a36144e901a2
SHA1 hash: be70095cd545ebf06ed499fb64fe6ac1bf06a0bd
MD5 hash: f9bd669474401ebe67afbadf8213f322
humanhash: louisiana-robert-lima-table
File name:f9bd669474401ebe67afbadf8213f322.rtf
Download: download sample
Signature AgentTesla
File size:108'615 bytes
First seen:2023-08-15 12:19:47 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:JwAbZSibMX9gRWjj5pcksAIRCconaHUBoJzJcBAO3MYwhLjymOQxtQC:JwAlRK5/rIRDoYJJcB533wJjymjxtQC
TLSH T100B3F16DC34F02A9CB6652779B1A0E0442FCB73EF34452B2346C937533AE82E55265BE
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f9bd669474401ebe67afbadf8213f322.rtf
Verdict:
Malicious activity
Analysis date:
2023-08-15 12:21:44 UTC
Tags:
exploit cve-2017-11882 loader

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
Gathering data
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-08-15 08:17:37 UTC
File Type:
Document
Extracted files:
3
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware stealer
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Process spawned unexpected child process
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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 1768eeca3dbf15b17955ec2e16702f1d3b39f79420e2c218c5f53019d85680cf

(this sample)

  
Delivery method
Distributed via web download

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