MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73
SHA3-384 hash: 6e56e940ecd841a09d8182b5bc92ceda3cad596303b3457ad9ed8ee935c1bba755ef5e949c1701d66f7a84a1b349e782
SHA1 hash: 0090ba5391ea7bfbd99a3519ddea58124b03ed65
MD5 hash: c46f92a410d2ba774146b68c7f245d35
humanhash: kitten-kansas-nitrogen-timing
File name:frideurpearoundhavesuchabeautifulgirlswholoveothertogethrbacktouseunderstandhowmuchitsisgoodforherto__beautifulthingsto.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:73'009 bytes
First seen:2024-05-10 14:38:49 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 1536:3bauaBLJiOkp9bONlMihpaCDE6GjIuy4YCHOeeYSv+7FKFYZ78NLApoYJspoVKOQ:3baRLAOi9bONhhrDvGjIX4YCHOeeYSvd
TLSH T10563FE2EE74F0965DF5596BB434A4A4906FCB33DB38140B179AC973437ADC2E4A2287C
Reporter NDA0E
Tags:AgentTesla CVE-2017-11882 doc


Avatar
NDA0E
http://fridayyyyvert.3utilities.com/frideurpearoundhavesuchabeautifulgirlswholoveothertogethrbacktouseunderstandhowmuchitsisgoodforherto__beautifulthingsto.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
512
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73.doc
Verdict:
Suspicious activity
Analysis date:
2024-05-10 14:40:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c1d875ff-0856-4857-83c8-508ea53e9bac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28765.RtfHeur.ObjUpd.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
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:
Fake RTF File
Link:
https://app.docguard.net/f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/663e31865826be9faada68ea/reports/6d98ebe0-15e2-4e83-bc80-0f9300816579/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1439688
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Found malware configuration
Initial sample is an obfuscated RTF file
Injects a PE file into a foreign processes
Installs new ROOT certificates
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)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1439688 Sample: thingsto.doc Startdate: 10/05/2024 Architecture: WINDOWS Score: 100 47 Initial sample is an obfuscated RTF file 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 24 other signatures 2->53 10 WINWORD.EXE 291 15 2->10         started        process3 file4 33 ~WRF{5D19A94A-F251...B-8D03F68AA31C}.tmp, Composite 10->33 dropped 13 EQNEDT32.EXE 12 10->13         started        process5 dnsIp6 43 fridayyyyvert.3utilities.com 192.3.101.142, 49161, 49165, 80 AS-COLOCROSSINGUS United States 13->43 35 C:\Users\...\uropfrridayedatingloverf.vbs, Unicode 13->35 dropped 81 Office equation editor establishes network connection 13->81 83 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 13->83 18 wscript.exe 11 13->18         started        file7 signatures8 process9 dnsIp10 37 paste.ee 18->37 39 paste.ee 104.21.84.67, 443, 49162 CLOUDFLARENETUS United States 18->39 55 System process connects to network (likely due to code injection or exploit) 18->55 57 Suspicious powershell command line found 18->57 59 Wscript starts Powershell (via cmd or directly) 18->59 63 5 other signatures 18->63 22 powershell.exe 4 18->22         started        signatures11 61 Connects to a pastebin service (likely for C&C) 37->61 process12 signatures13 65 Suspicious powershell command line found 22->65 25 powershell.exe 12 5 22->25         started        process14 dnsIp15 41 uploaddeimagens.com.br 104.21.45.138, 443, 49163, 49164 CLOUDFLARENETUS United States 25->41 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 25->67 69 Writes to foreign memory regions 25->69 71 Injects a PE file into a foreign processes 25->71 29 AddInProcess32.exe 12 2 25->29         started        signatures16 process17 dnsIp18 45 ip-api.com 208.95.112.1, 49166, 80 TUT-ASUS United States 29->45 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 29->73 75 Tries to steal Mail credentials (via file / registry access) 29->75 77 Tries to harvest and steal browser information (history, passwords, etc) 29->77 79 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 29->79 signatures19
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-05-10 11:38:37 UTC
File Type:
Document
Extracted files:
4
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6dwj2aan5ht7d3ur5aslc4kiktqzrhh2hha3hsiuog7tq74ttvzq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240510-rz9vwaeb77/
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f0ec9d000de9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73

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
Rule name:SUSP_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

The table below shows additional information about this malware sample such as delivery method and external references.

AgentTesla

Excel file xlsx 3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9

AgentTesla

Word file doc f0ec9d000de9e7f1ee91e824b1714854e1989cfa39c1b3c91471bf387f939d73

(this sample)

  
Dropped by
SHA256 3c1893004bc1abaad6ac0ba824f24d7319a6b3b789b3b0018106c42ffb866fc9
  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2845917/
  
URLhaus
https://urlhaus.abuse.ch/url/2845919/
  
Dropped by
MD5 2e2cf407979eb7abebacaee48d261823

Comments