MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdf0ee91f641ab4d55e25928ba08e37611aeb783f0c157e412ce165496eca24d. 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


Maldoc score: 4


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdf0ee91f641ab4d55e25928ba08e37611aeb783f0c157e412ce165496eca24d
SHA3-384 hash: af0c1e3e5552b2460154b29e408b8f7e4e4d81f1523a65ab5f90dad35194b9d1029c6e1fb37776dabd762aa6b2ca61db
SHA1 hash: 6ac7bcf1a0ab03f20a88b713f193803eeb092bf2
MD5 hash: 3c80e835bd56830bd4bc943928bb8a85
humanhash: cat-triple-arkansas-asparagus
File name:Order No. 4800014530.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'180'160 bytes
First seen:2023-11-09 06:42:32 UTC
Last seen:2023-11-10 08:20:13 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:buBSw6/uZyJ3bVpw6/WZyo3bVU5R1yhNKIlhT1z:G6/4I3bVi6/AP3bVU5R0hNKIlhJ
TLSH T1A845CF03A8408B87D41D83F46EA34EE91F1ABF08EA916ADF11297F1F3E706721D5A51D
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 CVE-2017-11882 xls

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 4
OLE dump

MalwareBazaar was able to identify 52 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
494 bytesMBD0032E1D5/CompObj
562 bytesMBD0032E1D5/Ole
620409 bytesMBD0032E1D5/CONTENTS
794 bytesMBD0032E1D6/CompObj
862 bytesMBD0032E1D6/Ole
912169 bytesMBD0032E1D6/CONTENTS
1094 bytesMBD0032E1D7/CompObj
1162 bytesMBD0032E1D7/Ole
127284 bytesMBD0032E1D7/CONTENTS
1394 bytesMBD0032E1D8/CompObj
1462 bytesMBD0032E1D8/Ole
1564830 bytesMBD0032E1D8/CONTENTS
1693 bytesMBD0032E1D9/CompObj
1764 bytesMBD0032E1D9/Ole
18124841 bytesMBD0032E1D9/CONTENTS
19114 bytesMBD0032E1DA/CompObj
20708 bytesMBD0032E1DA/DocumentSummaryInformation
2123248 bytesMBD0032E1DA/SummaryInformation
2297872 bytesMBD0032E1DA/Workbook
23418 bytesMBD0032E1DA/_VBA_PROJECT_CUR/PROJECT
2462 bytesMBD0032E1DA/_VBA_PROJECT_CUR/PROJECTwm
25977 bytesMBD0032E1DA/_VBA_PROJECT_CUR/VBA/Sheet1
26985 bytesMBD0032E1DA/_VBA_PROJECT_CUR/VBA/ThisWorkbook
272329 bytesMBD0032E1DA/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
28516 bytesMBD0032E1DA/_VBA_PROJECT_CUR/VBA/dir
2994 bytesMBD0032E1DB/CompObj
3062 bytesMBD0032E1DB/Ole
3164830 bytesMBD0032E1DB/CONTENTS
3293 bytesMBD0032E1DC/CompObj
3364 bytesMBD0032E1DC/Ole
34124841 bytesMBD0032E1DC/CONTENTS
35114 bytesMBD0032E1DD/CompObj
36708 bytesMBD0032E1DD/DocumentSummaryInformation
3723248 bytesMBD0032E1DD/SummaryInformation
3897808 bytesMBD0032E1DD/Workbook
390 bytesMBD0032E1DD/_VBA_PROJECT_CUR/VBA/Sheet1
400 bytesMBD0032E1DD/_VBA_PROJECT_CUR/VBA/ThisWorkbook
410 bytesMBD0032E1DD/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
4220 bytesMBD0032E1DE/Ole
431781 bytesMBD0032E1DE/olE10NatIVE
44476105 bytesWorkbook
45523 bytes_VBA_PROJECT_CUR/PROJECT
46104 bytes_VBA_PROJECT_CUR/PROJECTwm
47977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
48977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
49977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
50985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
512644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
52553 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
5
# of downloads :
343
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f53afe2197b9dd5f3fb184538133f8b4.eml
Verdict:
Malicious activity
Analysis date:
2023-11-08 20:00:08 UTC
Tags:
phishing phishing-pdf phishing-xls opendir exploit cve-2017-11882 loader stealer
Link:
https://app.any.run/tasks/f84b4acc-e004-4058-9c0e-10d9f5b2b40e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.Other.Malware-gen.12790.22077.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Other.Malware-gen.19728.9505.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Heur.1282.16692.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Other.Malware-gen.25106.3990.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadMacro.BadOleNatEquat.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EQAndMisCasedOleNativeWasTheCaseThatTheyGaveMe.20200215.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% directory
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/fdf0ee91f641ab4d55e25928ba08e37611aeb783f0c157e412ce165496eca24d/results/dashboard
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit exploit macros packed shellcode
Link:
https://www.filescan.io/uploads/654c7f77946b6ab2245c516b/reports/df53b751-8fa3-4875-b01e-acf64e960ab8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/fdf0ee91f641ab4d55e25928ba08e37611aeb783f0c157e412ce165496eca24d
Label:
Benign
Suspicious Score:
2.7/10
Score Malicious:
27%
Score Benign:
73%
Link:
https://www.malware.ai/gui/files/?id=7aef517b-934d-48bc-bd5b-74e8afbf60f4
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/fdf0ee91f641ab4d55e25928ba08e37611aeb783f0c157e412ce165496eca24d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1339480
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1339480 Sample: Order_No._4800014530.xls Startdate: 09/11/2023 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 18 other signatures 2->52 7 EQNEDT32.EXE 12 2->7         started        12 EQNEDT32.EXE 2->12         started        14 Micosoft Excel 2023.exe 2 2->14         started        16 3 other processes 2->16 process3 dnsIp4 42 141.98.10.56, 49162, 80 HOSTBALTICLT Lithuania 7->42 36 C:\Users\user\AppData\Roaming\audiodgse.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\...\audiodgs[1].exe, PE32 7->38 dropped 68 Office equation editor establishes network connection 7->68 70 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->70 18 audiodgse.exe 2 7->18         started        21 audiodgse.exe 12->21         started        72 Injects a PE file into a foreign processes 14->72 23 Micosoft Excel 2023.exe 14->23         started        25 Micosoft Excel 2023.exe 16->25         started        27 RdrCEF.exe 2 16->27         started        file5 signatures6 process7 dnsIp8 54 Antivirus detection for dropped file 18->54 56 Multi AV Scanner detection for dropped file 18->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->58 60 Machine Learning detection for dropped file 18->60 30 audiodgse.exe 1 4 18->30         started        62 Injects a PE file into a foreign processes 21->62 34 audiodgse.exe 21->34         started        64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->64 66 Tries to steal Mail credentials (via file / registry access) 23->66 44 192.168.2.255, 137, 138 unknown unknown 27->44 signatures9 process10 file11 40 C:\Users\user\...\Micosoft Excel 2023.exe, PE32 30->40 dropped 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->74 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->76 78 Tries to steal Mail credentials (via file / registry access) 34->78 80 Tries to harvest and steal browser information (history, passwords, etc) 34->80 signatures12
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fdf0ee91f641ab4d55e25928ba08e37611aeb783f0c157e412ce165496eca24d/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-11-08 18:39:07 UTC
File Type:
Document
Extracted files:
111
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xyo5epwigvu2vpcleuluchdoyi25n4d6davpzaszylfjfxmujgq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231109-hgxcdsga21/
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 FindShellTrayWindow
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
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
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
Downloads MZ/PE file
AgentTesla
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdf0ee91f641/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/fdf0ee91f641ab4d55e25928ba08e37611aeb783f0c157e412ce165496eca24d

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_OLE_EXPLOIT_CVE_2017_11882_1
Create hunting rule
Author:ditekSHen
Description:detects OLE documents potentially exploiting CVE-2017-11882
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: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/

File information

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

Comments