MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5ffff8fdab42759b2f61b0c3ed3f175d89412f95535f40cc162d1064ea9e79d. 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 14 File information Comments

SHA256 hash: b5ffff8fdab42759b2f61b0c3ed3f175d89412f95535f40cc162d1064ea9e79d
SHA3-384 hash: 70281389d79b196e5d3d96f963a78747e3f69feda4ee456cc88ebfdae47eeca03cd54e634ba39bd35c2a9e7439e2060f
SHA1 hash: 82b92c0e3bfb4265cb30075989333009f588cba1
MD5 hash: b310166a6f490cbcb74ff8843a13c63c
humanhash: colorado-edward-enemy-utah
File name:ORDER.xls
Download: download sample
Signature AgentTesla
File size:302'592 bytes
First seen:2024-05-09 06:18:56 UTC
Last seen:2024-05-10 08:02:52 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:fZ+RwPONXoRjDhIcp0fDlavx+W26nAWie4UcLe0JOqPQZR8MDdATCR3tSxlHiolX:gUP/qPQZR8MxAm/SxsutVAgFI42g
TLSH T1C354D026BF608657D82543755CEB8A927B75FD409F83560F2208F32D7EB23B0AE13646
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-2017-0199 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 19 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
4114 bytesMBD001951E1/CompObj
5264 bytesMBD001951E1/DocumentSummaryInformation
621636 bytesMBD001951E1/SummaryInformation
721747 bytesMBD001951E1/Workbook
899 bytesMBD001951E2/CompObj
9149848 bytesMBD001951E2/Package
10372 bytesMBD001951E3/Ole
1190935 bytesWorkbook
12525 bytes_VBA_PROJECT_CUR/PROJECT
13104 bytes_VBA_PROJECT_CUR/PROJECTwm
14977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
15977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
16977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
17985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
182644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
19553 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 :
338
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b5ffff8fdab42759b2f61b0c3ed3f175d89412f95535f40cc162d1064ea9e79d.xls
Verdict:
Suspicious activity
Analysis date:
2024-05-09 06:21:29 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
DNS request
Launching a process
Creating a window
Searching for synchronization primitives
Сreating synchronization primitives
Creating a file
Connection attempt
Sending a custom TCP request
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
http://dokdo.in/iKa
Embedded Ole
Behaviour
BlacklistAPI detected
Document image
Document image
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Signature
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2024-05-09 02:13:29 UTC
File Type:
Document
Extracted files:
46
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence 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 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
Adds Run key to start application
Looks up external IP address via web service
Abuses OpenXML format to download file from external location
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
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
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: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