MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 260b5fde0f86117023af4e07b129c9cab292e571850316a3a768fd69354c1b34. 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 18 File information Comments

SHA256 hash:	260b5fde0f86117023af4e07b129c9cab292e571850316a3a768fd69354c1b34
SHA3-384 hash:	01e1017a188d7afc9947e925c15a27fbfd21ec1a88a7079c2f6b5045ee7799fbe59fecdbcb41def87ed88a22d59aceae
SHA1 hash:	00a95e6d1412554c6804aea2b364e00d3ef0d457
MD5 hash:	1d67a40b7fd2bc30f29de364259b4902
humanhash:	fillet-hot-may-august
File name:	23719423-VELOS RUBY-777214516.xls
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	287'744 bytes
First seen:	2024-01-16 09:32:04 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	6144:VSHBMixiMK6G+ZFrTUvCp4sJgWU49ZJorT5pTDgpjHUKDql/3:VQpozwjTqCfga9nqT5pTDgZHUK
TLSH	T1AB5412793147C51AE692A8338FD0C1F36625FC12AF269A1FB5E8B71D0DB3A808673D15
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	pr0xylife
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 15 sections in this file using oledump:

Section ID	Section size	Section name
1	114 bytes	CompObj
2	244 bytes	DocumentSummaryInformation
3	200 bytes	SummaryInformation
4	99 bytes	MBD0096990E/CompObj
5	186855 bytes	MBD0096990E/Package
6	474 bytes	MBD0096990F/Ole
7	84370 bytes	Workbook
8	529 bytes	_VBA_PROJECT_CUR/PROJECT
9	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
10	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
11	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
12	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
13	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
14	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
15	553 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:

Type	Keyword	Description
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

350

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/471080/

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/260b5fde0f86117023af4e07b129c9cab292e571850316a3a768fd69354c1b34/results/dashboard

Payload URLs

URL

File name

http://172.245.208.28/guj/beautifulhjcreversehissettingsentireprocessgoodforlaunchtoeverythingfine.doC

Embedded Ole

Behaviour

SuspiciousRTF detected

Document image

Image:

Download PNG

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

embedequation exploit macros shellcode sload

Link:

https://www.filescan.io/uploads/65a64d4e8369fab94def111b/reports/1938303d-98e6-46ee-a314-07f269a38fbf/overview

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/260b5fde0f86117023af4e07b129c9cab292e571850316a3a768fd69354c1b34

Label:

Benign

Suspicious Score:

4.2/10

Score Malicious:

42%

Score Benign:

58%

Link:

https://www.malware.ai/gui/files/?id=cb7a21e7-147e-44f6-bb02-75119ab054b0

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/260b5fde0f86117023af4e07b129c9cab292e571850316a3a768fd69354c1b34

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1375254

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

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

Injects files into Windows application

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 dropped file

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

Powershell uses Background Intelligent Transfer Service (BITS)

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: Scheduled temp file as task from temp location

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

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/260b5fde0f86117023af4e07b129c9cab292e571850316a3a768fd69354c1b34/

Threat name:

Document-Office.Exploit.CVE-2017-0199

Status:

Malicious

First seen:

2024-01-16 09:33:05 UTC

File Type:

Document

Extracted files:

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=eyfv7xqpqyixai5pjyd3ckojzkzjfzlrqubrni5hnd6wsnkmdm2a._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240116-lh65rshaap/

Behaviour

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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

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

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

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/260b5fde0f86/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/260b5fde0f86117023af4e07b129c9cab292e571850316a3a768fd69354c1b34

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:	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.

Cape

https://www.capesandbox.com/analysis/471080/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample