MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7. 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: 15

Maldoc score: 4

Intelligence 15 IOCs YARA 15 File information Comments

SHA256 hash:	e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7
SHA3-384 hash:	832a5300c59184a81adeb467f822c63f2cc1679ce67e8c2f775371ca9b790feaa684a0d97c1bd58e842b9a8f14b6b5b1
SHA1 hash:	b680651aced67b1725a7a6e44771ac919c0c5723
MD5 hash:	dcc06f29d9c15df2fb5d9423a7e658e8
humanhash:	gee-beryllium-fifteen-california
File name:	PO-3073529-HPL.xls
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	325'120 bytes
First seen:	2024-03-20 21:09:13 UTC
Last seen:	2024-03-21 09:47:36 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	6144:NPunhX5fY35qAOJl/YrLYz+WrNhZF+E+fgL+0dD8ivSbVggMIjdXEB8roBzxGuWn:NqhX5C3bVggMI5XEhBzxHIQUoE
TLSH	T12F64D000FA91871AE459577588F78BAA6325FC419FA34B0F321CF71D3EB03945D2BA62
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	TeamDreier
Tags:	AgentTesla 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 22 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	MBD001BDC77/CompObj
5	62 bytes	MBD001BDC77/Ole
6	20909 bytes	MBD001BDC77/CONTENTS
7	113 bytes	MBD001BDC78/CompObj
8	11594 bytes	MBD001BDC78/Package
9	114 bytes	MBD001BDC79/CompObj
10	708 bytes	MBD001BDC79/DocumentSummaryInformation
11	23248 bytes	MBD001BDC79/SummaryInformation
12	97808 bytes	MBD001BDC79/Workbook
13	496 bytes	MBD001BDC7A/Ole
14	151319 bytes	Workbook
15	527 bytes	_VBA_PROJECT_CUR/PROJECT
16	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
17	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
18	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
19	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
20	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
21	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
22	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 :

356

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7.xls

Verdict:

Malicious activity

Analysis date:

2024-03-20 21:09:45 UTC

Tags:

phishing phishing-xls

Link:

https://app.any.run/tasks/5d7e9a9c-17d5-4612-9426-bd69a5141f0f

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Legit

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

False

Detection(s):

SecuriteInfo.com.IMG.Phish.20422.21836.UNOFFICIAL

Sanesecurity.Badmacro.Xls.BadPdf.UNOFFICIAL

Sanesecurity.Badmacro.Xls.VB.Redir1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Changing an executable file

Using the Windows Management Instrumentation requests

Creating a window

DNS request

Sending an HTTP GET request

Searching for synchronization primitives

Launching a process

Сreating synchronization primitives

Creating a file

Connection attempt

Sending a custom TCP request

Connection attempt by exploiting the app vulnerability

Launching a process by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7/results/dashboard

Payload URLs

URL

File name

http://qly.ai/cfzxq

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/65fb50ae87137159d44bea46/reports/e5b62ca8-b1ad-4c6e-a551-73f96f81d76e/overview

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7

Label:

Benign

Suspicious Score:

3.6/10

Score Malicious:

36%

Score Benign:

64%

Link:

https://www.malware.ai/gui/files/?id=6e069794-59f8-400d-9f01-e90ee55021ea

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7

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

Link:

https://www.joesandbox.com/analysis/1412729

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

Antivirus detection for dropped file

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 drops RTF file

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: 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

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

Yara detected MalDoc

Behaviour

Behavior Graph:

Download SVG

Detection:

cve-2017-11882-shellcode

Link:

https://mwdb.cert.pl/sample/e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7/

Threat name:

Document-Office.Trojan.Heuristic

Status:

Malicious

First seen:

2024-03-20 12:56:34 UTC

File Type:

Document

Extracted files:

AV detection:

12 of 36 (33.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=46o4huxpw7n3usopa4uzux7dto55zhqqu5nvwdk6jwneml2pk3tq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240320-zz1wzacb6w/

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/e79dc3d2efb7/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/e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7

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 e79dc3d2efb7dbba49cf07299a5fe39bbbdc9e10a75b5b0d5e4d9a462f4f56e7

(this sample)

Delivery method

Distributed via e-mail attachment

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