MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b. 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: 4

Intelligence 12 IOCs YARA 15 File information Comments

SHA256 hash:	36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b
SHA3-384 hash:	e4b78e471d5999a03e33b891bb2a6a032bcff1ba804b935534484817250af48064ab9b7c909e50d45fb21789381c736d
SHA1 hash:	04f363f70567839cf1cf0bc64b8aa54ee94acca7
MD5 hash:	2dbcba6a2a6605f66ccad571c2a786fb
humanhash:	thirteen-speaker-utah-connecticut
File name:	Application copy.xls
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	367'104 bytes
First seen:	2024-02-09 15:37:58 UTC
Last seen:	2024-02-14 09:41:25 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	6144:/ThunGZP8VNe986NCLXQ6ay9M0OkDjfJK5RPL9duP+zcwQhpT7kT0fjZ:/Tkg8VM986NCLg/Mak3xiRT9cWzcP3jZ
TLSH	T13F7412B4B6A2DA6BF403657D4CD891C31229FD51CFD1E5073244BB1D28BCB829B16AE3
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 23 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	94 bytes	MBD001B3285/CompObj
5	62 bytes	MBD001B3285/Ole
6	20909 bytes	MBD001B3285/CONTENTS
7	94 bytes	MBD001B3286/CompObj
8	62 bytes	MBD001B3286/Ole
9	31606 bytes	MBD001B3286/CONTENTS
10	99 bytes	MBD001B3287/CompObj
11	18917 bytes	MBD001B3287/Package
12	99 bytes	MBD001B3288/CompObj
13	31530 bytes	MBD001B3288/Package
14	816 bytes	MBD001B3289/Ole
15	244290 bytes	Workbook
16	535 bytes	_VBA_PROJECT_CUR/PROJECT
17	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
18	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
19	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
20	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
21	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
22	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
23	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 :

346

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/475603/

Detection(s):

SecuriteInfo.com.Trojan.GenericFCA.Agent.107859.13261.17004.UNOFFICIAL

SecuriteInfo.com.IMG.Phish.20422.21836.UNOFFICIAL

TwinWave.EvilDoc.OleWishDottedQuadPolicykill.20220908.UNOFFICIAL

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b/results/dashboard

Payload URLs

URL

File name

http://192.3.176.142/cdrr/balloneprojectmovedwellwithnewadvancetechnologyandinstantupdateandupgradefromthepcthroughotherpc.doC

Embedded Ole

Behaviour

SuspiciousRTF detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

embedequation exploit macros shellcode sload

Link:

https://www.filescan.io/uploads/65c646de8578def5407194cf/reports/cf354afe-5f71-4910-bd1c-c6a617037cac/overview

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b

Label:

Benign

Suspicious Score:

3.0/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=c7de52de-ad71-4043-8c27-6bb7c6540933

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b

Details

Document With Few Pages

Document contains between one and three pages of content. Most malicious documents are sparse in page count.

Document With Minimal Content

Document contains less than 1 kilobyte of semantic information.

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1389863

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

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 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

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Sample uses string decryption to hide its real strings

Shellcode detected

Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: Equation Editor Network Connection

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

Sigma detected: Suspicious Binary In User Directory Spawned From Office Application

Sigma detected: Suspicious Microsoft Office Child Process

Sigma detected: System File Execution Location Anomaly

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

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b/

Threat name:

Document-Office.Exploit.CVE-2017-0199

Status:

Malicious

First seen:

2024-02-08 21:09:00 UTC

File Type:

Document

Extracted files:

AV detection:

12 of 38 (31.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g3q6wpdk2iagmbm7dbxxnyci4kre54w3neqwudxpnulph5bz5vvq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240209-s224gsec54/

Behaviour

Checks processor information in registry

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

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

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

Blocklisted process makes network request

Downloads MZ/PE file

AgentTesla

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/36e1eb3c6ad2/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/36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b

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:	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

xls 36e1eb3c6ad20066059f186f76e048e2a24ef2db69216a0eef6d16f3f439ed6b

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/475603/

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