MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86. 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

SHA256 hash:	f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86
SHA3-384 hash:	2068661ca47d9da75d9fcdce972d39da7ff533c41ce81f4ae283c552c1870ea875791fdf23f6eaebd4e3cc5de0e8b9bb
SHA1 hash:	7657e939e03d8d1c37d7e4073e1dbda352f4f66d
MD5 hash:	4a5b8828c333d0747bbcf63811c835ba
humanhash:	illinois-apart-gee-jersey
File name:	PO CBV87654469.xlam
Download:	download sample
Signature	AgentTesla Alert Create hunting rule
File size:	615'686 bytes
First seen:	2023-09-25 18:51:54 UTC
Last seen:	2023-09-28 10:55:58 UTC
File type:	xlsx
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	12288:NzWiwOcaU1JkVIXXqzWR1JDSsnirv/vC+Ltwm90TyAFznZtP:Nai41J2InPRXDS5/vC+6m2ZtP
TLSH	T1BDD423B0ED92B1FECB650DBA837456CE180323256C6B17D8DD21E909F92D243F27E592
TrID	54.4% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7) 28.0% (.ZIP) Open Packaging Conventions container (17500/1/4) 9.6% (.USDZ) Universal Scene Description Zipped AR format (generic) (6000/1/1) 6.4% (.ZIP) ZIP compressed archive (4000/1) 1.6% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter	TeamDreier
Tags:	AgentTesla CVE-2017-11882 xlsx

Office OLE Information

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This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section ID	Section size	Section name
A1	885997 bytes	ole10naTIVe
A2	0 bytes	urTwZqvfQKXvfqWdmywByBEons

Intelligence

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File Origin

# of uploads :

7

# of downloads :

289

Origin country :

DK

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

PO CBV87654469.xlsx

Verdict:

No threats detected

Analysis date:

2023-09-25 17:10:08 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/4c3da91d-6936-4fcc-a58c-4f56f92a37bb

Note:

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

ClamAV Detected

Detection(s):

Sanesecurity.Shelter.Malware.BadMacro.BadOleNatEquat.UNOFFICIAL

Alert

Create hunting rule

SecuriteInfo.com.Malware.XML.Autoload-1.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.EQAndMisCasedOleNativeWasTheCaseThatTheyGaveMe.20200215.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.EQEditorFBShellzLetMeBlowYourMind.20210218.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Sending a custom TCP request

Creating a window

Searching for synchronization primitives

Launching a process

Creating a file in the %AppData% directory

Сreating synchronization primitives

Creating a process with a hidden window

Possible injection to a system process

Sending an HTTP GET request to an infection source by exploiting the app vulnerability

Creating a process from a recently created file

Launching a file downloaded from the Internet

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

89%

Tags:

embedequation exploit shellcode

Link:

https://www.filescan.io/uploads/6511d6d90870810f01868bb4/reports/dcd27f18-c916-45c6-ab0f-8b941fc2352b/overview

Hybrid Analysis CVE-2017-11882

Verdict:

Malicious

Labled as:

CVE-2017-11882

Link:

https://www.hybrid-analysis.com/sample/f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86

inlyse Malware.AI Malicious

Label:

Malicious

Suspicious Score:

9.8/10

Score Malicious:

99%

Score Benign:

1%

Link:

https://www.malware.ai/gui/files/?id=8b3bfb28-46e0-4591-bd0f-63b111f53379

Joe Sandbox AgentTesla

Result

Threat name:

AgentTesla

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1314109

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

Contains functionality to log keystrokes (.Net Source)

Document contains OLE streams with names of living off the land binaries

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Office equation editor establishes network connection

Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)

Sample uses string decryption to hide its real strings

Shellcode detected

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: Powershell download and load assembly

Suspicious powershell command line found

Very long command line found

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Wscript starts Powershell (via cmd or directly)

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86/

ReversingLabs TitaniumCloud Document-OLE.Exploit.CVE-2017-11882

Threat name:

Document-OLE.Exploit.CVE-2017-11882

Alert

Create hunting rule

Status:

Malicious

First seen:

2023-09-25 09:49:08 UTC

File Type:

Document

Extracted files:

16

AV detection:

25 of 36 (69.44%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6ilecbemgy4ed6owftfayvc2zw24oagotmi4xl52o653uaspn2da._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

n/a

Link:

https://tria.ge/reports/230925-xh22labf59/

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

Enumerates physical storage devices

Drops file in System32 directory

Blocklisted process makes network request

Malware Config

Dropper Extraction:

https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937

VMRay AgentTesla.v4

Malware family:

AgentTesla.v4

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f21641048c36/report/overview.html

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86

File information

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The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

xlsx f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86

(this sample)

  

Delivery method

Distributed via e-mail attachment

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