MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ba37dd5d68d2963a71a1ac45cca1a73576608ced1452c49edf92dc9b577f1f. 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

SHA256 hash: a5ba37dd5d68d2963a71a1ac45cca1a73576608ced1452c49edf92dc9b577f1f
SHA3-384 hash: f3bac8bfcb05b563edede03c9516858044cc1a4b12ece855c142b6cd6864c140a00b50b57ea25fa6e831237ff367a5ba
SHA1 hash: cad44b0b545abcc6cc89498d3776899c5f4d5b4d
MD5 hash: 02b0d5b5fa2e4af193c0368535f932b6
humanhash: mars-sixteen-saturn-oklahoma
File name:02b0d5b5fa2e4af193c0368535f932b6.rtf
Download: download sample
Signature AgentTesla
File size:39'914 bytes
First seen:2023-07-14 06:49:14 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:qFx0XaIsnPRIa4fwJM46cjK9afGgFszr39qLXFl+V88:qf0Xvx3EMncjK9afGgKz5GXFl+B
TLSH T19F034A1EE79F12688F510376271A1E89A6BDB23EB3519572346C833433DDC7E02666BC
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
avemaria
ID:
1
File name:
02b0d5b5fa2e4af193c0368535f932b6.rtf
Verdict:
Malicious activity
Analysis date:
2023-07-14 06:51:55 UTC
Tags:
exploit cve-2017-11882 loader stealer rat avemaria trojan

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
Sending a custom TCP request
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-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-07-13 10:44:00 UTC
File Type:
Document
Extracted files:
3
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
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
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Warzone RAT payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
evakarpati.ddns.net:1909
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 a5ba37dd5d68d2963a71a1ac45cca1a73576608ced1452c49edf92dc9b577f1f

(this sample)

  
Delivery method
Distributed via web download

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