MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ece7fdf1d8fc9fe3edd6f538a8f3ca98576a41d7be00061618ee5af9ee7c3231. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ece7fdf1d8fc9fe3edd6f538a8f3ca98576a41d7be00061618ee5af9ee7c3231
SHA3-384 hash: e2772730dc6032b38da2fb2a318586252799f990b76c5ce3ae422065fcc78a2349201ef55ac1961ed5d403082f8e2602
SHA1 hash: 96a037a6075b9fb61018423de75bf1a240c92748
MD5 hash: 54092cf8f48bd4f9f31bdb16b2f6ee65
humanhash: hotel-zulu-angel-shade
File name:54092cf8f48bd4f9f31bdb16b2f6ee65
Download: download sample
Signature AgentTesla
Create hunting rule
File size:92'290 bytes
First seen:2024-07-23 06:53:45 UTC
Last seen:2024-07-23 07:21:04 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 384:cT6SfK03zi9Xdv674xzPq1dnfpbJcXGVSWoqNDfunCerZbZO3A3vhM9trbROw:cTDjeXdEGjMJ9JVEqNanCelAYO9RX
TLSH T12D93F16CD78F45A5CF94A337035A4A8842FCB33EF60551A279AC833137ECD2E456A878
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

TwinWave.EvilRTF.ObfusRunAway.20240409.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669f53932f6eaff4b90f40ec
Tags:
Execution Exploit Generic Network Office Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Launching a service
Creating a process with a hidden window
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/ece7fdf1d8fc9fe3edd6f538a8f3ca98576a41d7be00061618ee5af9ee7c3231/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/669f5394a59c11b474ea4028/reports/70774fe8-6f1b-4d96-a78d-3dd8ede36b07/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/ece7fdf1d8fc9fe3edd6f538a8f3ca98576a41d7be00061618ee5af9ee7c3231
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/1478993
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1478993 Sample: cz2afaNerh.rtf Startdate: 23/07/2024 Architecture: WINDOWS Score: 100 84 Multi AV Scanner detection for domain / URL 2->84 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 21 other signatures 2->90 8 WINWORD.EXE 291 13 2->8         started        10 taskeng.exe 1 2->10         started        12 mpTrle.exe 2->12         started        15 mpTrle.exe 2->15         started        process3 signatures4 17 EQNEDT32.EXE 12 8->17         started        22 EQNEDT32.EXE 8->22         started        24 vBrNOli.exe 4 10->24         started        134 Multi AV Scanner detection for dropped file 12->134 136 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->136 138 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->138 140 Machine Learning detection for dropped file 12->140 26 mpTrle.exe 12->26         started        28 powershell.exe 12->28         started        30 schtasks.exe 12->30         started        142 Adds a directory exclusion to Windows Defender 15->142 144 Injects a PE file into a foreign processes 15->144 32 mpTrle.exe 15->32         started        34 powershell.exe 15->34         started        36 schtasks.exe 15->36         started        process5 dnsIp6 68 198.46.174.139, 49163, 80 AS-COLOCROSSINGUS United States 17->68 58 C:\Users\user\AppData\Roaming\winiti.exe, PE32 17->58 dropped 60 C:\Users\user\AppData\Local\...\winiti[1].exe, PE32 17->60 dropped 92 Office equation editor establishes network connection 17->92 94 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 17->94 38 winiti.exe 1 10 17->38         started        96 Multi AV Scanner detection for dropped file 24->96 98 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->98 100 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->100 110 3 other signatures 24->110 42 vBrNOli.exe 24->42         started        45 powershell.exe 24->45         started        47 schtasks.exe 24->47         started        70 ip-api.com 26->70 72 api.ipify.org 26->72 74 ip-api.com 32->74 76 api.ipify.org 32->76 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 32->102 104 Tries to steal Mail credentials (via file / registry access) 32->104 106 Tries to harvest and steal ftp login credentials 32->106 108 Tries to harvest and steal browser information (history, passwords, etc) 32->108 file7 signatures8 process9 dnsIp10 64 C:\Users\user\AppData\Roaming\vBrNOli.exe, PE32 38->64 dropped 66 C:\Users\user\AppData\Local\...\tmp70DD.tmp, XML 38->66 dropped 120 Multi AV Scanner detection for dropped file 38->120 122 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 38->122 124 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->124 132 6 other signatures 38->132 49 winiti.exe 13 4 38->49         started        54 powershell.exe 4 38->54         started        56 schtasks.exe 38->56         started        82 ip-api.com 42->82 126 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->126 128 Tries to steal Mail credentials (via file / registry access) 42->128 130 Hides that the sample has been downloaded from the Internet (zone.identifier) 42->130 file11 signatures12 process13 dnsIp14 78 ip-api.com 208.95.112.1, 49165, 49166, 49168 TUT-ASUS United States 49->78 80 api.ipify.org 104.26.13.205, 443, 49164, 49167 CLOUDFLARENETUS United States 49->80 62 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 49->62 dropped 112 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 49->112 114 Installs new ROOT certificates 49->114 116 Tries to steal Mail credentials (via file / registry access) 49->116 118 2 other signatures 49->118 file15 signatures16
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/ece7fdf1d8fc9fe3edd6f538a8f3ca98576a41d7be00061618ee5af9ee7c3231
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ece7fdf1d8fc9fe3edd6f538a8f3ca98576a41d7be00061618ee5af9ee7c3231/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-07-23 02:27:21 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5tt734oy7sp6h3ow6u4kr46ktblwuqoxxyaamfqy5znpt3t4giyq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240723-hn8n1atekk/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Scheduled Task/Job: Scheduled Task
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
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
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
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3362b88d-abea-4318-97c3-3bf973ce06a5
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ece7fdf1d8fc/report/overview.html
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
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 ece7fdf1d8fc9fe3edd6f538a8f3ca98576a41d7be00061618ee5af9ee7c3231

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3062475/

Comments


Avatar
zbet commented on 2024-07-23 06:53:46 UTC

url : hxxp://198.46.174.139/xampp/uhb/uh/wethkingwearereallyamazingtogetmebackwithnewthingstounderstandbetterthingsforyou___________________sheisgreattounderstandwearego.doc