MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdfbc6917b7327503e838cb43ba79302f9323377b593f5f55f9d31909818728f. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: bdfbc6917b7327503e838cb43ba79302f9323377b593f5f55f9d31909818728f
SHA3-384 hash: 730480b9d6a878f75fe1eb880cbae153bbac57fdef2f8e937f6b812fc96f8f4736dc86418600e5c2d63f7be45ac24c2c
SHA1 hash: 9a0ce3d2e796a092e78014150620334dff8ebd03
MD5 hash: cd7c4ece35508ec593df126f064bb3a8
humanhash: jupiter-mexico-oven-california
File name:cd7c4ece35508ec593df126f064bb3a8
Download: download sample
Signature AgentTesla
File size:72'316 bytes
First seen:2024-04-18 04:58:27 UTC
Last seen:2024-04-18 05:18:31 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:dQGlXZVZA1HvwZry4R/Z6tVXWSyEkkcGve7sngqEzJ2gAV5Lv:dXlXZVZA1HvwZrlR/ZOyEkkcGm7CgnAr
TLSH T1DC63AB2EE70F0954DF55977B434A4B4A06FCB33DB28540A179BC97343BAD82E4A6287C
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
117
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bdfbc6917b7327503e838cb43ba79302f9323377b593f5f55f9d31909818728f.rtf
Verdict:
No threats detected
Analysis date:
2024-04-18 05:03:32 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 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
DNS request
Connection attempt
Sending a custom TCP request
Creating a process with a hidden window
Launching a service
Possible injection to a system process
Connection attempt 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
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
embedequation exploit shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Injects a PE file into a foreign processes
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Shellcode detected
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell download and load assembly
Sigma detected: Powershell download payload from hardcoded c2 list
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
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 steal Mail credentials (via file / registry access)
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1427775 Sample: yDOZ8nTvm8.rtf Startdate: 18/04/2024 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 22 other signatures 2->54 10 WINWORD.EXE 336 13 2->10         started        process3 process4 12 EQNEDT32.EXE 12 10->12         started        17 EQNEDT32.EXE 10->17         started        dnsIp5 44 192.3.216.151, 49163, 49167, 80 AS-COLOCROSSINGUS United States 12->44 36 C:\Users\user\...\kissingcakewithgoodway.vbs, Unicode 12->36 dropped 74 Office equation editor establishes network connection 12->74 76 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 12->76 19 wscript.exe 11 12->19         started        file6 signatures7 process8 dnsIp9 38 paste.ee 19->38 40 104.21.84.67, 443, 49164 CLOUDFLARENETUS United States 19->40 56 System process connects to network (likely due to code injection or exploit) 19->56 58 Suspicious powershell command line found 19->58 60 Wscript starts Powershell (via cmd or directly) 19->60 64 5 other signatures 19->64 23 powershell.exe 4 19->23         started        signatures10 62 Connects to a pastebin service (likely for C&C) 38->62 process11 signatures12 66 Suspicious powershell command line found 23->66 26 powershell.exe 12 5 23->26         started        process13 dnsIp14 42 uploaddeimagens.com.br 104.21.45.138, 443, 49165, 49166 CLOUDFLARENETUS United States 26->42 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 26->68 70 Writes to foreign memory regions 26->70 72 Injects a PE file into a foreign processes 26->72 30 AddInProcess32.exe 12 2 26->30         started        34 AddInProcess32.exe 26->34         started        signatures15 process16 dnsIp17 46 ip-api.com 208.95.112.1, 49168, 80 TUT-ASUS United States 30->46 78 Tries to steal Mail credentials (via file / registry access) 30->78 80 Tries to harvest and steal browser information (history, passwords, etc) 30->80 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->82 84 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 34->84 signatures18
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-04-17 17:54:42 UTC
File Type:
Document
Extracted files:
4
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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 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
Looks up external IP address via web service
Blocklisted process makes network request
AgentTesla
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 bdfbc6917b7327503e838cb43ba79302f9323377b593f5f55f9d31909818728f

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-04-18 04:58:28 UTC

url : hxxp://192.3.216.151/xlamlikeiamverymuchwithentirethingslovertokissthegreatlogswhichcomingotmewithenitrelove__okmyconmennytokiss.doc