MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 69f40c2f6a4540550f934e0b2f9a354629d3835b30fd13293c2f6a6b97202159. 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: 13


Maldoc score: 4


Intelligence 13 IOCs YARA 15 File information Comments

SHA256 hash: 69f40c2f6a4540550f934e0b2f9a354629d3835b30fd13293c2f6a6b97202159
SHA3-384 hash: d676fa74994a029bc3769a5bac3959878ce7875b42a2db64db28c1013da4b4da8594640cd2b6d5faea6e51781def92e3
SHA1 hash: 439fd0bdcf0319994f9b91f28d4f2b2a5bde0874
MD5 hash: e108b870cba8e39e516076ca3989372b
humanhash: mars-carbon-stream-texas
File name:SecuriteInfo.com.Heur.25589.9954
Download: download sample
Signature AgentTesla
File size:281'600 bytes
First seen:2024-01-25 15:32:25 UTC
Last seen:2024-01-26 13:50:14 UTC
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:5kunhVY35qAOJl/YrLYz+WrNhZF+E+fgL+0dD8ivSbVLOMI2n1WbMS5Fuhix2c:5tC3bVLOMIg9Y
TLSH T1A454D051BF81860AE865477588F78F9B6321FC425F524A0F324CF72D3DB43A45E2BA62
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 SecuriteInfoCom
Tags:AgentTesla cve-2017-0199 xlsx

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 22 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
494 bytesMBD0008EE0D/CompObj
562 bytesMBD0008EE0D/Ole
620909 bytesMBD0008EE0D/CONTENTS
799 bytesMBD0008EE0E/CompObj
818937 bytesMBD0008EE0E/Package
9114 bytesMBD0008EE0F/CompObj
10708 bytesMBD0008EE0F/DocumentSummaryInformation
1123248 bytesMBD0008EE0F/SummaryInformation
1297808 bytesMBD0008EE0F/Workbook
13628 bytesMBD0008EE10/Ole
14100675 bytesWorkbook
15533 bytes_VBA_PROJECT_CUR/PROJECT
16104 bytes_VBA_PROJECT_CUR/PROJECTwm
17977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
18977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
19977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
20985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
212644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
22553 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 :
3
# of downloads :
615
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
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
DNS request
Sending an HTTP GET request
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
http://192.3.176.145/frf/vnextofficeupdationwaitingfortheentireprocesstocompleteandimprovethethecnonologyfornew.doC
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit macros masquerade shellcode sload
Label:
Benign
Suspicious Score:
2.5/10
Score Malicious:
25%
Score Benign:
75%
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:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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 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)
Office viewer loads remote template
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
Sigma detected: rundll32 run dll from internet
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1381155 Sample: SecuriteInfo.com.Heur.25589... Startdate: 25/01/2024 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 15 other signatures 2->56 7 EXCEL.EXE 32 46 2->7         started        process3 dnsIp4 44 192.3.176.145, 49162, 49163, 49164 AS-COLOCROSSINGUS United States 7->44 34 vnextofficeupdatio...nologyfornew[1].doc, ISO-8859 7->34 dropped 11 WINWORD.EXE 345 37 7->11         started        15 conhost.exe 2 7->15         started        17 AcroRd32.exe 27 7->17         started        file5 process6 file7 36 vnextofficeupdatio...ologyfornew.doC.url, MS 11->36 dropped 38 C:\Users\user\...\frf on 192.3.176.145.url, MS 11->38 dropped 40 ~WRF{D011F769-7F94...A-73777991F85C}.tmp, Composite 11->40 dropped 42 C:\Users\user\AppData\Local\...\946566FC.doc, ISO-8859 11->42 dropped 70 Microsoft Office launches external ms-search protocol handler (WebDAV) 11->70 72 Office viewer loads remote template 11->72 74 Microsoft Office drops suspicious files 11->74 19 EQNEDT32.EXE 12 11->19         started        23 rundll32.exe 9 11->23         started        76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->76 78 Machine Learning detection for dropped file 15->78 80 Injects a PE file into a foreign processes 15->80 25 conhost.exe 12 2 15->25         started        28 RdrCEF.exe 2 17->28         started        signatures8 process9 dnsIp10 30 C:\Users\user\AppData\Roaming\conhost.exe, PE32 19->30 dropped 32 C:\Users\user\AppData\...\conhost[1].exe, PE32 19->32 dropped 58 Office equation editor establishes network connection 19->58 60 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 19->60 46 api4.ipify.org 104.237.62.211, 443, 49169 WEBNXUS United States 25->46 48 api.ipify.org 25->48 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->62 64 Installs new ROOT certificates 25->64 66 Tries to steal Mail credentials (via file / registry access) 25->66 68 Tries to harvest and steal browser information (history, passwords, etc) 25->68 file11 signatures12
Threat name:
Document-Office.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2024-01-25 15:33:06 UTC
File Type:
Document
Extracted files:
43
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
kinsing
Score:
  10/10
Tags:
family:agenttesla family:kinsing keylogger loader spyware stealer trojan
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
Office loads VBA resources, possible macro or embedded object present
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
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
Kinsing
Malware family:
AgentTesla
Verdict:
Malicious
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:Borland
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:office_document_vba
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
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.

Comments