MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55de94cc3001d77393ac02d39de125f6f2ff97fec9d4d520f4a5357372747753. 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 2 File information Comments 1

SHA256 hash: 55de94cc3001d77393ac02d39de125f6f2ff97fec9d4d520f4a5357372747753
SHA3-384 hash: 3877a992b8095e39195ec66b1d98df61645195ca3c934b1043d5704696786bb4831e72aa26c8b4c9190853da9d57428e
SHA1 hash: 32cac706705cbb11747d5dc63ec7561911adef7e
MD5 hash: f9e56da52bd36bcfbef05a5383bfbdb7
humanhash: fish-failed-mirror-double
File name:f9e56da52bd36bcfbef05a5383bfbdb7
Download: download sample
Signature AgentTesla
File size:72'708 bytes
First seen:2024-04-15 08:00:16 UTC
Last seen:2024-04-15 08:25:49 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:zTblOOWLqwKwsF+RX0DOnqSa/8wqmO4Ni5GNa9i4xf4Aj8meTyxhR9BDrddYImFw:bjWLqM0Dik0wqmO4Ni0Na9i4xf4Aj8mJ
TLSH T17F63792EE70F0925DF55A6BB434A4A4905FCB33DB38540B179BC973437AD82E4A6287C
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
135
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
55de94cc3001d77393ac02d39de125f6f2ff97fec9d4d520f4a5357372747753.rtf
Verdict:
No threats detected
Analysis date:
2024-04-15 08:03:30 UTC
Tags:
n/a

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

Behaviour
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
DNS request
Connection attempt
Sending a custom TCP request
Launching a service
Connection attempt 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 shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Document exploit detected (process start blacklist hit)
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 equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-04-15 08:01:05 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
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 use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Blocklisted process makes network request
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 55de94cc3001d77393ac02d39de125f6f2ff97fec9d4d520f4a5357372747753

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-04-15 08:00:17 UTC

url : hxxp://192.3.95.218/90/gam/wekissedherheadwithlotoflovebecausesheisverybeautifulgirlieverseenveryqtgirl___itrulyloveherwtihlotofloer.doc