MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a. 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


Maldoc score: 4


Intelligence 11 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a
SHA3-384 hash: 256cb2b5628a1cc6ebc1851df9b93f06691cfd01271fcca550501bd455282aeed5efd9592094a02426e6a3f97ea88055
SHA1 hash: f37b4962b300502b84a73548007f7f239136f9a6
MD5 hash: 0a926440a9cf830cb3c83dcb35f23c81
humanhash: uniform-pasta-connecticut-monkey
File name:PO#5653497.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:551'936 bytes
First seen:2024-02-16 12:16:05 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:hkkd8VQzBZrq3bVD1MI/7MSD4EbUkG0GAGUkmJcWp:UWBA3bVN5DhGAGUkmJcy
TLSH T1A6C4F146BAD18A4AD85247350DF78BAA5315FC019F938B0B324CF31D3DB03A55E27AB6
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 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 27 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
494 bytesMBD0010DFE8/CompObj
562 bytesMBD0010DFE8/Ole
620909 bytesMBD0010DFE8/CONTENTS
794 bytesMBD0010DFE9/CompObj
862 bytesMBD0010DFE9/Ole
931606 bytesMBD0010DFE9/CONTENTS
1099 bytesMBD0010DFEA/CompObj
1166452 bytesMBD0010DFEA/Package
1299 bytesMBD0010DFEB/CompObj
1322219 bytesMBD0010DFEB/Package
14114 bytesMBD0010DFEC/CompObj
15708 bytesMBD0010DFEC/DocumentSummaryInformation
1623248 bytesMBD0010DFEC/SummaryInformation
1797808 bytesMBD0010DFEC/Workbook
181018 bytesMBD0010DFED/Ole
19266144 bytesWorkbook
20521 bytes_VBA_PROJECT_CUR/PROJECT
21104 bytes_VBA_PROJECT_CUR/PROJECTwm
22977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
23977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
24977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
25985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
262644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
27553 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 :
1
# of downloads :
342
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476461/
Detection(s):
SecuriteInfo.com.IMG.Phish.19653.12980.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.OfficeActivationPicturesOfU.XL.220802.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.GenericFCA.Agent.107859.13261.17004.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.BadUsr1.UNOFFICIAL
Create hunting rule

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

SecuriteInfo.com.IMG.Phish.20422.21836.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.OfficeActivationPicturesOfU.MSOLE2.220802.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.OleWishDottedQuadPolicykill.20220908.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Connection attempt by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a/results/dashboard
Payload URLs
URL
File name
http://192.3.176.142/rdf/feelhappyonnewupdationprocessballonitsmakechangesentireprocessofthepctoupdationfrompctopc.doC
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit macros shellcode
Link:
https://www.filescan.io/uploads/65cf5240781f5716463a553e/reports/7eb34250-0aa9-4506-8bbc-d57b63df27d4/overview
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a
Label:
Benign
Suspicious Score:
4.2/10
Score Malicious:
43%
Score Benign:
57%
Link:
https://www.malware.ai/gui/files/?id=23ad1322-20f9-4e3d-ad25-708736f76496
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a
Details
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1393418
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Multi AV Scanner detection for domain / URL
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)
Office viewer loads remote template
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Shellcode detected
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1393418 Sample: PO#5653497.xls Startdate: 16/02/2024 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Found malware configuration 2->76 78 25 other signatures 2->78 7 EXCEL.EXE 58 73 2->7         started        11 taskeng.exe 2->11         started        process3 dnsIp4 62 192.3.176.142, 49162, 49163, 49164 AS-COLOCROSSINGUS United States 7->62 48 feelhappyonnewupda...onfrompctopc[1].doc, ISO-8859 7->48 dropped 13 conhost.exe 5 7->13         started        17 WINWORD.EXE 345 37 7->17         started        19 AcroRd32.exe 7->19         started        21 BruNDCiJ.exe 11->21         started        file5 process6 file7 50 C:\Users\user\AppData\Roaming\BruNDCiJ.exe, PE32 13->50 dropped 52 C:\Users\user\AppData\Local\Temp\tmpA2E.tmp, XML 13->52 dropped 94 Machine Learning detection for dropped file 13->94 96 Uses schtasks.exe or at.exe to add and modify task schedules 13->96 98 Writes to foreign memory regions 13->98 23 RegSvcs.exe 13->23         started        27 powershell.exe 4 13->27         started        29 powershell.exe 4 13->29         started        31 schtasks.exe 13->31         started        54 C:\Users\user\...\rdf on 192.3.176.142.url, MS 17->54 dropped 56 feelhappyonnewupda...nfrompctopc.doC.url, MS 17->56 dropped 58 ~WRF{A0B141FE-34EF...2-47140AF24D71}.tmp, Composite 17->58 dropped 60 C:\Users\user\AppData\Local\...\924C97FC.doc, ISO-8859 17->60 dropped 100 Microsoft Office launches external ms-search protocol handler (WebDAV) 17->100 102 Office viewer loads remote template 17->102 104 Microsoft Office drops suspicious files 17->104 33 EQNEDT32.EXE 12 17->33         started        36 RdrCEF.exe 19->36         started        106 Allocates memory in foreign processes 21->106 108 Adds a directory exclusion to Windows Defender 21->108 110 Injects a PE file into a foreign processes 21->110 38 RegSvcs.exe 21->38         started        40 powershell.exe 21->40         started        42 2 other processes 21->42 signatures8 process9 dnsIp10 64 104.26.12.205, 443, 49170 CLOUDFLARENETUS United States 23->64 66 api.ipify.org 23->66 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->80 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->82 84 Tries to steal Mail credentials (via file / registry access) 23->84 86 Installs new ROOT certificates 27->86 44 C:\Users\user\AppData\Roaming\conhost.exe, PE32 33->44 dropped 46 C:\Users\user\AppData\...\conhost[1].exe, PE32 33->46 dropped 88 Office equation editor establishes network connection 33->88 90 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 33->90 68 172.67.74.152, 443, 49171 CLOUDFLARENETUS United States 38->68 70 api.ipify.org 38->70 92 Tries to harvest and steal browser information (history, passwords, etc) 38->92 file11 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j3o27uxjejeivigbdnxem6puolddglfdtglz5ruj7jwtlwuarjva._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240216-pf13hsaf91/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
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
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4eddafd2e922/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/4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a

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 xls 4eddafd2e922488aa0c11b6e4679f472c6332ca399979ec689fa6d35da808a6a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476461/

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