MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6944148645a8de11f36fe90fb4dc459a154f66a8140395473b9e58d258aea490. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6944148645a8de11f36fe90fb4dc459a154f66a8140395473b9e58d258aea490
SHA3-384 hash: 25aa521dcbaf0ff975642bf6a9ac7d17d7643c13d86f5713eae7872654c155400161a836da4912be2a472bbd8a9c18bd
SHA1 hash: 2da4ae306a98f1515a831ca3d449f137b376f616
MD5 hash: a3c6c37292b50a3e323ec2d91eeac832
humanhash: nitrogen-sodium-fruit-victor
File name:a3c6c37292b50a3e323ec2d91eeac832
Download: download sample
Signature AgentTesla
Create hunting rule
File size:5'692'578 bytes
First seen:2023-07-05 05:19:30 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 24576:DPSdWnK596WRaS8mmc6bH7BUFewwFYF/7/gxQdl9rciiWbp2tiaEElFeBSJHtF:r
TLSH T1814667F0AD01D4C1F57E5B6AF2FD3A48A1343217EBC94A4A00E7E5651EF6A11B90ECC9
Reporter zbetcheckin
Tags:AgentTesla rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a3c6c37292b50a3e323ec2d91eeac832
Verdict:
Malicious activity
Analysis date:
2023-07-05 05:20:51 UTC
Tags:
exploit cve-2017-11882
Link:
https://app.any.run/tasks/36b6bcce-6827-41d9-8406-b352dea959f2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Rtf.Exploit.CVE_2017_11882-6584355-1
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

Rtf.Exploit.CVE_2018_0802-6825822-0
Create hunting rule

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
Creating a process with a hidden window
Possible injection to a system process
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/6944148645a8de11f36fe90fb4dc459a154f66a8140395473b9e58d258aea490/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit exploit shellcode
Link:
https://www.filescan.io/uploads/64a4fd851aae5c95e1869fc8/reports/5286ff67-60d6-45d6-b1f6-2bc90575798c/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/6944148645a8de11f36fe90fb4dc459a154f66a8140395473b9e58d258aea490
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1266945
Signature
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
Malicious sample detected (through community Yara rule)
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1266945 Sample: qxXCwLy1g5.rtf Startdate: 05/07/2023 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 10 other signatures 2->47 9 EQNEDT32.EXE 12 2->9         started        14 WINWORD.EXE 291 18 2->14         started        process3 dnsIp4 35 195.178.120.24, 49179, 49181, 80 HEXAGLOBE-ASFR unknown 9->35 29 C:\Users\user\...\droidfococOnline[1].vbs, Unicode 9->29 dropped 61 Office equation editor establishes network connection 9->61 63 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 9->63 16 wscript.exe 1 9->16         started        31 ~WRF{FB193676-69DC...4-DCAA26537C17}.tmp, Composite 14->31 dropped file5 signatures6 process7 signatures8 37 Suspicious powershell command line found 16->37 39 Wscript starts Powershell (via cmd or directly) 16->39 19 powershell.exe 6 16->19         started        process9 signatures10 49 Suspicious powershell command line found 19->49 22 powershell.exe 12 7 19->22         started        process11 dnsIp12 33 cryptersandtools.minhacasa.tv 186.210.128.242, 49180, 80 ALGARTELECOMSABR Brazil 22->33 51 Writes to foreign memory regions 22->51 53 Injects a PE file into a foreign processes 22->53 26 RegAsm.exe 2 22->26         started        signatures13 process14 signatures15 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->55 57 Tries to steal Mail credentials (via file / registry access) 26->57 59 Tries to harvest and steal browser information (history, passwords, etc) 26->59
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6944148645a8de11f36fe90fb4dc459a154f66a8140395473b9e58d258aea490/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-03 19:59:58 UTC
File Type:
Document
Extracted files:
3
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nfcbjbsfvdpbd43p5eh3jxcftiku6zvicqbzkrz3tzmnewfousia._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230705-f1ewcacb6x/
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
outlook_office_path
outlook_win_path
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
Accesses Microsoft Outlook profiles
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
AgentTesla
Malware Config
Dropper Extraction:
http://cryptersandtools.minhacasa.tv/e/e
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6944148645a8/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/6944148645a8de11f36fe90fb4dc459a154f66a8140395473b9e58d258aea490

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_EXPLOIT_CVE_2017_11882_1
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents potentially exploiting CVE-2017-11882
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 6944148645a8de11f36fe90fb4dc459a154f66a8140395473b9e58d258aea490

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2676846/

Comments


Avatar
zbet commented on 2023-07-05 05:19:31 UTC

url : hxxp://195.178.120.24/eeeee.doc