MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84329c07da6678fd70b963db307487890874ec611c6a360227d2c0f8d3121344. 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


Maldoc score: 2


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 84329c07da6678fd70b963db307487890874ec611c6a360227d2c0f8d3121344
SHA3-384 hash: 4c81b5a2f19c05d99911bf0c9e91a7e9ca89776427ad5e35e33fe180721b9ed9ed3c9c15833aee1c151ac6db44f4a9d6
SHA1 hash: 27a3097783b97f207af31832f38706915a9b1ed5
MD5 hash: 67f3dd84a66fb5c912f54a9a7c240e42
humanhash: berlin-eight-princess-hawaii
File name:Quotation.xls
Download: download sample
Signature AgentTesla
File size:1'301'504 bytes
First seen:2023-11-11 07:31:26 UTC
Last seen:2023-11-20 07:16:44 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:EuBSw6/uZye3bVHw6/WZyX3bVskoTQxI/RQJv+at0yP0NLpOdCwOx:f6/4D3bVQ6/A+3bVsLT5Ziv+a/cNF71
TLSH T16855C003E940CB83D41C43F46EE34EE90B16AF14EA965ACF215ABF4F3E706621D5B51A
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 CVE-2018-0802 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: 2
OLE dump

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

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3120200 bytesSummaryInformation
494 bytesMBD0008E8D6/CompObj
562 bytesMBD0008E8D6/Ole
620409 bytesMBD0008E8D6/CONTENTS
794 bytesMBD0008E8D7/CompObj
862 bytesMBD0008E8D7/Ole
912169 bytesMBD0008E8D7/CONTENTS
1094 bytesMBD0008E8D8/CompObj
1162 bytesMBD0008E8D8/Ole
127284 bytesMBD0008E8D8/CONTENTS
1394 bytesMBD0008E8D9/CompObj
1462 bytesMBD0008E8D9/Ole
1564830 bytesMBD0008E8D9/CONTENTS
1693 bytesMBD0008E8DA/CompObj
1764 bytesMBD0008E8DA/Ole
18124841 bytesMBD0008E8DA/CONTENTS
19114 bytesMBD0008E8DB/CompObj
20708 bytesMBD0008E8DB/DocumentSummaryInformation
2123248 bytesMBD0008E8DB/SummaryInformation
2297872 bytesMBD0008E8DB/Workbook
23418 bytesMBD0008E8DB/_VBA_PROJECT_CUR/PROJECT
2462 bytesMBD0008E8DB/_VBA_PROJECT_CUR/PROJECTwm
25977 bytesMBD0008E8DB/_VBA_PROJECT_CUR/VBA/Sheet1
26985 bytesMBD0008E8DB/_VBA_PROJECT_CUR/VBA/ThisWorkbook
272329 bytesMBD0008E8DB/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
28517 bytesMBD0008E8DB/_VBA_PROJECT_CUR/VBA/dir
2994 bytesMBD0008E8DC/CompObj
3062 bytesMBD0008E8DC/Ole
3164830 bytesMBD0008E8DC/CONTENTS
3293 bytesMBD0008E8DD/CompObj
3364 bytesMBD0008E8DD/Ole
34124841 bytesMBD0008E8DD/CONTENTS
35114 bytesMBD0008E8DE/CompObj
36708 bytesMBD0008E8DE/DocumentSummaryInformation
3723248 bytesMBD0008E8DE/SummaryInformation
3897872 bytesMBD0008E8DE/Workbook
390 bytesMBD0008E8DE/_VBA_PROJECT_CUR/VBA/Sheet1
400 bytesMBD0008E8DE/_VBA_PROJECT_CUR/VBA/ThisWorkbook
410 bytesMBD0008E8DE/_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
422012 bytesMBD0008E8DF/OlE10nAtive
4320 bytesMBD0008E8DF/Ole
44475899 bytesWorkbook
45525 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 :
2
# of downloads :
361
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a file in the %temp% subdirectories
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control embedequation exploit exploit greyware installer lolbin macros shell32 shellcode sload
Label:
Benign
Suspicious Score:
2.7/10
Score Malicious:
28%
Score Benign:
72%
Result
Verdict:
MALICIOUS
Details
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
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)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1341014 Sample: Quotation.xls Startdate: 11/11/2023 Architecture: WINDOWS Score: 96 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->63 65 5 other signatures 2->65 7 EQNEDT32.EXE 12 2->7         started        12 EQNEDT32.EXE 10 2->12         started        14 AcroRd32.exe 33 2->14         started        16 EXCEL.EXE 58 72 2->16         started        process3 dnsIp4 55 103.170.121.12, 49162, 80 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 7->55 35 C:\Users\user\AppData\...35ahimicSvc32.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\smss[1].exe, PE32 7->37 dropped 67 Office equation editor establishes network connection 7->67 69 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->69 18 NahimicSvc32.exe 2 7->18         started        21 NahimicSvc32.exe 2 12->21         started        23 RdrCEF.exe 2 14->23         started        file5 signatures6 process7 dnsIp8 31 C:\Users\user\AppData\...31ahimicSvc32.tmp, PE32 18->31 dropped 26 NahimicSvc32.tmp 27 21 18->26         started        33 C:\Users\user\AppData\...33ahimicSvc32.tmp, PE32 21->33 dropped 29 NahimicSvc32.tmp 21->29         started        57 192.168.2.255, 137, 138 unknown unknown 23->57 file9 process10 file11 39 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 26->39 dropped 41 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 26->41 dropped 43 C:\Program Files (x86)\DuckDNS\is-QQKF6.tmp, PE32 26->43 dropped 45 C:\Program Files (x86)\DuckDNS\is-CFNNR.tmp, PE32 26->45 dropped 47 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 29->47 dropped 49 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 29->49 dropped 51 C:\Program Files (x86)\DuckDNS\is-VBTKT.tmp, PE32 29->51 dropped 53 C:\Program Files (x86)\DuckDNS\is-53M19.tmp, PE32 29->53 dropped
Threat name:
Win32.Exploit.CVE-2018-0802
Status:
Malicious
First seen:
2023-11-10 11:26:54 UTC
File Type:
Document
Extracted files:
111
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
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 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
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:detects OLE documents potentially exploiting CVE-2017-11882
Rule name:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:office_document_vba
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