MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690. 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: 16


Maldoc score: 4


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690
SHA3-384 hash: 19904980fb072533d28cae7be7a65f15e49a4ca876386274abe9fdd5b39ff045a102f7e61105b735f8fa4234200bdf5e
SHA1 hash: f4f2a2dbebd38c5f4e0694d20e77d045f9521762
MD5 hash: da661ecf5a13944be08d4f39d7060b31
humanhash: double-arkansas-double-georgia
File name:20055.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:314'880 bytes
First seen:2024-06-03 14:14:04 UTC
Last seen:2024-06-03 15:21:58 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:X0W8j030Q4eIoCCvJpHwb268cJIKP0EtXg03Y2ZAOZ+az2hNIP0f:EW8zQ4bnCvnwb268/Eamwz
TLSH T1AF64122D7126E736C02A95BA2DC5D00A2391FC93EED14B5F38A83B5D41BDAD1CA27707
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 cocaman
Tags:AgentTesla cve-2017-0199 xls


Avatar
cocaman
Malicious email (T1566.001)
From: "Celine <acc01@chinaviplogistics.com>" (likely spoofed)
Received: "from chinaviplogistics.com (unknown [45.137.22.131]) "
Date: "3 Jun 2024 16:45:51 +0200"
Subject: "SOA june - TOTAL USD 22,009.33"
Attachment: "20055.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 IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD000A17AA/CompObj
515121 bytesMBD000A17AA/Package
6754 bytesMBD000A17AB/Ole
7283121 bytesWorkbook
8529 bytes_VBA_PROJECT_CUR/PROJECT
9104 bytes_VBA_PROJECT_CUR/PROJECTwm
10977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
11977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
12977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
13985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
142644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
15553 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:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
11
# of downloads :
379
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690.xls
Verdict:
No threats detected
Analysis date:
2024-06-03 14:15:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4d69ca01-f7d8-4f46-a83b-ed9c682e7cd4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665e0530ab69e84d6a2f44bfwin7simulatehigh_evasion
Tags:
Network Office Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
DNS request
Launching a process
Creating a window
Searching for synchronization primitives
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690/results/dashboard
Payload URLs
URL
File name
http://ln.run/qDLvL
Embedded Ole
Behaviour
SuspiciousRTF detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit language-tr macros
Link:
https://www.filescan.io/uploads/665dcfeb910ce98966f83c44/reports/a2f595da-f74c-4435-8b29-d7f81d3d3984/overview
Verdict:
Suspicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690
Gathering data
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1451146
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
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 ftp login credentials
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1451146 Sample: 20055.xls Startdate: 03/06/2024 Architecture: WINDOWS Score: 100 63 ln.run 2->63 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 Antivirus detection for dropped file 2->85 87 15 other signatures 2->87 8 EXCEL.EXE 57 34 2->8         started        12 mpTrle.exe 2 2->12         started        15 mpTrle.exe 2->15         started        signatures3 process4 dnsIp5 67 ln.run 188.114.96.3, 443, 49161, 49162 CLOUDFLARENETUS European Union 8->67 69 107.173.143.28, 49163, 49174, 49175 AS-COLOCROSSINGUS United States 8->69 53 lionsarekingofjung...ingsofjungle[1].doc, ISO-8859 8->53 dropped 17 WINWORD.EXE 339 31 8->17         started        22 igcc.exe 1 7 8->22         started        111 Antivirus detection for dropped file 12->111 113 Multi AV Scanner detection for dropped file 12->113 115 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->115 117 Machine Learning detection for dropped file 12->117 24 mpTrle.exe 12 2 12->24         started        119 Injects a PE file into a foreign processes 15->119 26 mpTrle.exe 15->26         started        28 mpTrle.exe 15->28         started        30 mpTrle.exe 15->30         started        file6 signatures7 process8 dnsIp9 55 ln.run 17->55 45 C:\Users\user\AppData\Roaming\...\qDLvL.url, MS 17->45 dropped 47 C:\Users\user\AppData\Roaming\...\ln.run.url, MS 17->47 dropped 49 ~WRF{E3A5637D-94A6...4-3AFF34888954}.tmp, Composite 17->49 dropped 51 C:\Users\user\AppData\Local\...\4275BF61.doc, ISO-8859 17->51 dropped 89 Microsoft Office launches external ms-search protocol handler (WebDAV) 17->89 91 Office viewer loads remote template 17->91 93 Microsoft Office drops suspicious files 17->93 32 EQNEDT32.EXE 12 17->32         started        95 Antivirus detection for dropped file 22->95 97 Multi AV Scanner detection for dropped file 22->97 99 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->99 109 2 other signatures 22->109 36 igcc.exe 13 4 22->36         started        57 api.ipify.org 24->57 59 104.26.13.205, 443, 49182 CLOUDFLARENETUS United States 26->59 61 api.ipify.org 26->61 101 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->101 103 Tries to steal Mail credentials (via file / registry access) 26->103 105 Tries to harvest and steal ftp login credentials 26->105 107 Tries to harvest and steal browser information (history, passwords, etc) 26->107 file10 signatures11 process12 dnsIp13 39 C:\Users\user\AppData\Roaming\igcc.exe, PE32 32->39 dropped 41 C:\Users\user\AppData\Local\...\igcc[1].exe, PE32 32->41 dropped 71 Office equation editor establishes network connection 32->71 73 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 32->73 65 api.ipify.org 172.67.74.152, 443, 49177, 49181 CLOUDFLARENETUS United States 36->65 43 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 36->43 dropped 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->75 77 Tries to steal Mail credentials (via file / registry access) 36->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 36->79 file14 signatures15
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690/
Threat name:
Document-Excel.Exploit.CVE-2017-0199
Create hunting rule
Status:
Malicious
First seen:
2024-06-03 11:37:57 UTC
File Type:
Document
Extracted files:
29
AV detection:
10 of 37 (27.03%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6tun5enjkfenng7j2e3njqjxxzit7onpzymrpdlsp2gucashi2ia._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240603-rkj1xaae54/
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
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
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Abuses OpenXML format to download file from external location
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/57952908-9be5-411a-b670-52328aca2475
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f4e8de91a951/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/f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690

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:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:office_document_vba
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/

File information

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

Malspam

AgentTesla

Excel file xls f4e8de91a95148d69be9d136d4c137be513fb9afce19178d727e8d4102474690

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments