MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9. 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: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9
SHA3-384 hash: 9507daa99a9e3fb11532cb777062081d2a4b6aceef98d0c60f2b3a4d29ad9a3891c127f90cf94a78880f1b69f77aff5f
SHA1 hash: 7713f230f9c6563534184c14716a4ac5cd4adead
MD5 hash: 006c6422df4dbab67ae81a6e014933cd
humanhash: alaska-vermont-fish-east
File name:Oder S65392.xlsx
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'206'418 bytes
First seen:2023-11-14 11:19:58 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 24576:15rNBtsBO+NWK9cQMMmnXP7fTG11B5O9cOtE7nBljusE:BK9YdXPjTI2cOeBljuX
TLSH T11D4533304A3E0A7CAE1DFA35959C7D369EEC345A4F101CC1F8B38BA9886406F9713667
TrID 60.1% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
30.9% (.ZIP) Open Packaging Conventions container (17500/1/4)
7.0% (.ZIP) ZIP compressed archive (4000/1)
1.7% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla CVE-2017-11882 xlsx


Avatar
cocaman
Malicious email (T1566.001)
From: ""Mr. yan" <nazrul75.tax@gmail.com>" (likely spoofed)
Received: "from postfix-inbound-v2-9.inbound.mailchannels.net (inbound-egress-6.mailchannels.net [199.10.31.238]) "
Date: "Tue, 14 Nov 2023 08:37:42 +0100"
Subject: "Oder S65392"
Attachment: "Oder S65392.xlsx"

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 dump

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

Section IDSection sizeSection name
A11429569 bytesOle10nATIvE
A20 byteszIB1B8foMEhxPjPMn53eco

Intelligence

File Origin
# of uploads :
1
# of downloads :
876
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/458490/
Detection(s):
SecuriteInfo.com.Malware.XML.Autoload-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadMacro.BadOleNatEquat.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EQAndMisCasedOleNativeWasTheCaseThatTheyGaveMe.20200215.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EQEditorFBShellzLetMeBlowYourMind.20210218.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Sending a TCP request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Link:
https://app.docguard.net/f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control embedequation exploit lolbin shell32 shellcode
Link:
https://www.filescan.io/uploads/655357e72e3c004c9948f514/reports/f5d7b20b-8245-4906-bf7d-6306645d831b/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Link:
https://www.malware.ai/gui/files/?id=6115b5e3-cfc8-4aea-959f-05ba23e43d8f
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
AgentTesla, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1342262
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted 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)
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
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1342262 Sample: Oder_S65392.xlsx Startdate: 14/11/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 12 other signatures 2->43 8 EQNEDT32.EXE 12 2->8         started        13 EXCEL.EXE 53 12 2->13         started        process3 dnsIp4 35 swamini.in 103.224.247.210, 443, 49162, 49163 WEBWERKS-ASWebWerksIndiaPvtLtdIN India 8->35 25 C:\Users\user\AppData\Roaming\word.exe, PE32 8->25 dropped 27 C:\Users\user\...\lightmuzik2.1[1].exe, PE32 8->27 dropped 59 Office equation editor establishes network connection 8->59 61 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->61 15 word.exe 17 8->15         started        file5 signatures6 process7 file8 29 C:\Users\user\AppData\Local\Temp\eihoep.exe, PE32 15->29 dropped 18 eihoep.exe 15->18         started        process9 signatures10 45 Detected unpacking (changes PE section rights) 18->45 47 Detected unpacking (overwrites its own PE header) 18->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->49 51 3 other signatures 18->51 21 eihoep.exe 12 2 18->21         started        process11 dnsIp12 31 api4.ipify.org 64.185.227.156, 443, 49165 WEBNXUS United States 21->31 33 api.ipify.org 21->33 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->53 55 Tries to steal Mail credentials (via file / registry access) 21->55 57 Tries to harvest and steal browser information (history, passwords, etc) 21->57 signatures13
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9/
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-11-14 11:20:06 UTC
File Type:
Document
Extracted files:
16
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6c2vzdq4yp63n2b2pxlp4no2qqg3bdsbmkkmsc5ul4clgk2c6t4q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231114-nfec3sbh7x/
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 behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
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
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f0b55c8e1cc3/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/f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9

File information

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

Malspam

AgentTesla

Excel file xlsx f0b55c8e1cc3fdb6e83a7dd6fe35da840db08e416294c90bb45f04b32b42f4f9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/458490/

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