MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b. 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 16 File information Comments
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SHA256 hash: 56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b
SHA3-384 hash: 993637421df3f9dd834f9e8edb8234c3c0f2d01ea1cc0cde106cf77b9f5912fdd8c22f74d4e75aac91cc079558f57ce8
SHA1 hash: 103dd11c34e66b826abac28381ce80eba933e2b7
MD5 hash: 4e94b24e7c24c4337012a912790561e0
humanhash: jig-whiskey-july-crazy
File name:December Order.xla
Download: download sample
Signature AgentTesla
Create hunting rule
File size:260'096 bytes
First seen:2023-11-21 14:17:26 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:P3VyVPxkY35qAOJl/YrLYz+WrNhZF+E+fgL+0dD8ivSbVA6MIHReKKsL:PY3bVA6MIxk6
TLSH T10444C015FE40890AE456077588F74AAB6325FC815F924B0F324CF71D3DB02A66F2BB66
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 lowmal3
Tags:AgentTesla xlsx

Intelligence

File Origin
# of uploads :
1
# of downloads :
442
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/459559/
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
Sending a custom TCP request
Creating a window
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Creating a file
Sending an HTTP GET request
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b/results/dashboard
Payload URLs
URL
File name
http://192.3.179.133/html/1/htmlbrowserhistorydeletedbymictosfotEdge.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 masquerade shellcode sload sload
Link:
https://www.filescan.io/uploads/655cbc1bec56117c37b74365/reports/664cd06d-d2f9-4284-a2a2-0a7ea092f83c/overview
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b
Label:
Benign
Suspicious Score:
3.7/10
Score Malicious:
37%
Score Benign:
63%
Link:
https://www.malware.ai/gui/files/?id=47386d95-a1f9-46e6-8d9e-8835befd093b
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b
Result
Threat name:
AgentTesla, DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345865
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Document embeds suspicious OLE2 link
Excel sheet contains many unusual embedded objects
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)
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 dropped file
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
Sample uses string decryption to hide its real strings
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1345865 Sample: December_Order.xla.xlsx Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 14 other signatures 2->51 7 EQNEDT32.EXE 12 2->7         started        11 WINWORD.EXE 346 47 2->11         started        13 EXCEL.EXE 52 75 2->13         started        process3 dnsIp4 21 C:\Users\user\AppData\Roaming\sihost.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\sihost[1].exe, PE32 7->23 dropped 53 Office equation editor establishes network connection 7->53 55 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->55 16 sihost.exe 2 7->16         started        25 htmlbrowserhistory...ctosfotEdge.Doc.url, MS 11->25 dropped 27 C:\Users\user\...\1 on 192.3.179.133.url, MS 11->27 dropped 29 ~WRF{04C716FE-8E4E...F-CECEC201927C}.tmp, Composite 11->29 dropped 31 C:\Users\user\AppData\Local\...\46D6DACB.doc, ISO-8859 11->31 dropped 57 Microsoft Office launches external ms-search protocol handler (WebDAV) 11->57 59 Office viewer loads remote template 11->59 61 Microsoft Office drops suspicious files 11->61 35 192.3.179.133, 49162, 49163, 49164 AS-COLOCROSSINGUS United States 13->35 33 htmlbrowserhistory...ictosfotEdge[1].doc, ISO-8859 13->33 dropped file5 signatures6 process7 signatures8 37 Antivirus detection for dropped file 16->37 39 Multi AV Scanner detection for dropped file 16->39 41 Machine Learning detection for dropped file 16->41 43 4 other signatures 16->43 19 RegAsm.exe 16->19         started        process9
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-20 07:05:53 UTC
File Type:
Document
Extracted files:
111
AV detection:
6 of 37 (16.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k2suyr3rrctm25zhwjavcpvsrvoj4hbhievyy4xsed4nzbiydvnq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231121-rl9mysfg21/
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
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Abuses OpenXML format to download file from external location
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.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/56a54c477188/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/56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b

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_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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 56a54c477188a6cd7727b241513eb28d5c9e1c27412b8c72f220f8dc85181d5b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459559/

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