MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments
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SHA256 hash: 8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6
SHA3-384 hash: 94012a5ca865361d878e00c1493f886bf667d9cc0487a52f1f8dc24a09141c788b40735c7efa6e1ac8808925b0a210b7
SHA1 hash: 7e796af62e94214f14a7630abfba485187b3c7de
MD5 hash: 77d965dd6195cc14fbfdbbbf7a86b7ba
humanhash: mirror-lima-nevada-hamper
File name:entregar confirmación de dirección.xla
Download: download sample
Signature AgentTesla
Create hunting rule
File size:339'968 bytes
First seen:2024-02-23 16:28:22 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:FVqYskzvCp4sJgDF1bqGHBMixiMK6G+ZFrTLOCii/D8Ug5PXYy9:FMYxbCfgD/bqEpozwjTLOC7D8DX
TLSH T10D7412693226E612C297BC754FC0C1D71212FC909F41AD1FB8E8B76E0B79B805BB259D
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:AgentTesla xla xlsx

Intelligence

File Origin
# of uploads :
1
# of downloads :
582
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Badmacro.Xls.BadUsr1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.VBA.Agent-16.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Changing an executable file
Using the Windows Management Instrumentation requests
Launching a process
Creating a window
Searching for synchronization primitives
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6/results/dashboard
Payload URLs
URL
File name
http://172.245.214.91/mylovetoindustrytopofthelovetoenhasednewtechnologyfordevelopnewthingsfornewthingstounderstandthenewthings.doC
Embedded Ole
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6
Label:
Benign
Suspicious Score:
3/10
Score Malicious:
3%
Score Benign:
97%
Link:
https://www.malware.ai/gui/files/?id=e65b9524-db1c-4410-8121-3092aea3c94e
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1397816
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
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)
Excel sheet contains many unusual embedded objects
Found malware configuration
Injects a PE file into a foreign processes
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Office viewer loads remote template
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1397816 Sample: entregar confirmaci#U00f3n ... Startdate: 23/02/2024 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 21 other signatures 2->68 9 EXCEL.EXE 52 57 2->9         started        process3 dnsIp4 52 172.245.214.91, 49162, 49163, 49164 AS-COLOCROSSINGUS United States 9->52 50 mylovetoindustryto...thenewthings[1].doc, ISO-8859 9->50 dropped 13 wscript.exe 1 9->13         started        17 WINWORD.EXE 345 37 9->17         started        file5 process6 dnsIp7 56 paste.ee 13->56 58 104.21.84.67, 443, 49168 CLOUDFLARENETUS United States 13->58 82 System process connects to network (likely due to code injection or exploit) 13->82 84 Suspicious powershell command line found 13->84 86 Wscript starts Powershell (via cmd or directly) 13->86 96 5 other signatures 13->96 20 powershell.exe 4 13->20         started        38 mylovetoindustryto...henewthings.doC.url, MS 17->38 dropped 40 C:\Users\user\AppData\...\172.245.214.91.url, MS 17->40 dropped 42 ~WRF{DA3C120A-B31A...8-3EAD8B943775}.tmp, Composite 17->42 dropped 44 C:\Users\user\AppData\Local\...\220D8EA9.doc, ISO-8859 17->44 dropped 88 Microsoft Office launches external ms-search protocol handler (WebDAV) 17->88 90 Office viewer loads remote template 17->90 92 Microsoft Office drops suspicious files 17->92 23 EQNEDT32.EXE 12 17->23         started        file8 94 Connects to a pastebin service (likely for C&C) 56->94 signatures9 process10 file11 70 Suspicious powershell command line found 20->70 26 powershell.exe 12 5 20->26         started        46 C:\Users\user\AppData\...\fridaexploit.vbs, Unicode 23->46 dropped 48 C:\Users\user\...\fridaexploit1[1].vbs, Unicode 23->48 dropped 72 Office equation editor establishes network connection 23->72 74 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 23->74 signatures12 process13 dnsIp14 54 uploaddeimagens.com.br 172.67.215.45, 443, 49170 CLOUDFLARENETUS United States 26->54 76 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 26->76 78 Writes to foreign memory regions 26->78 80 Injects a PE file into a foreign processes 26->80 30 AddInProcess32.exe 12 2 26->30         started        34 AddInProcess32.exe 26->34         started        36 AddInProcess32.exe 26->36         started        signatures15 process16 dnsIp17 60 ip-api.com 208.95.112.1, 49172, 80 TUT-ASUS United States 30->60 98 Tries to steal Mail credentials (via file / registry access) 30->98 100 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->100 102 Tries to harvest and steal browser information (history, passwords, etc) 30->102 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 34->104 106 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->106 108 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 34->108 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6/
Threat name:
Script-Macro.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-23 15:28:33 UTC
File Type:
Document
Extracted files:
61
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rujr7l54yf2kw3jtu45q47f3oidauqb4vradencxrlh2oywo663a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240223-ty8mjaeb5w/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Script User-Agent
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Abuses OpenXML format to download file from external location
Blocklisted process makes network request
AgentTesla
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8d131fafbcc1/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/8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6

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:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:office_document_vba
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Malspam

AgentTesla

Excel file xlsx 8d131fafbcc174ab6d33a73b0e7cbb72060a403cac403234578acfa762cef7b6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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