MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 014b3137818fe9c6b66f870dfb5a2d59ea9e78ef414cb28dae5142e9eeb1736c. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 014b3137818fe9c6b66f870dfb5a2d59ea9e78ef414cb28dae5142e9eeb1736c
SHA3-384 hash: 30431add8e2cb0433f0983f64c3ff99e1c9b138014d1f19ab7c542613be4a5aa5c9142ecb94ddad13a52b6eb6a190c6e
SHA1 hash: fbb7dc531d99fb091f7a065e942c17913af5196d
MD5 hash: ef557356b0d4235686935f0ee636c3ae
humanhash: july-massachusetts-speaker-berlin
File name:PO 90138.doc
Download: download sample
Signature AgentTesla
File size:1'255'026 bytes
First seen:2020-12-15 16:38:50 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:zp4EYWj0t4t9F97XxYJBfzroFtjC+o4hZkRklMTqHr0kS:y
TLSH 7345AFB876047DD6267F576BDA96ACDD03B61663DACBA8CC80A477C305A3335FE02805
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: dansmtp1.34503sgz0vpezcx1gncymdgvjc.xx.internal.cloudapp.net
Sending IP: 52.156.119.118
From: Bich Dao <bich.dao59@gmail.com>
Subject: Oriental Fastech P/O MOT- 70103
Attachment: PO 90138.doc

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 90138.doc
Verdict:
Malicious activity
Analysis date:
2020-12-15 16:57:48 UTC
Tags:
exploit CVE-2017-11882 loader rat agenttesla trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Drops PE files with a suspicious file extension
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330827 Sample: PO 90138.doc Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 8 other signatures 2->42 7 EQNEDT32.EXE 11 2->7         started        12 chrome.exe 2->12         started        14 WINWORD.EXE 336 18 2->14         started        16 EQNEDT32.EXE 2->16         started        process3 dnsIp4 34 rogatech.cf 46.173.221.33, 49167, 80 GPI-ASRU Russian Federation 7->34 28 C:\Users\user\AppData\...\brown83886.scr, PE32 7->28 dropped 30 C:\Users\user\AppData\Local\...\brownx[1].scr, PE32 7->30 dropped 54 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->54 18 brown83886.scr 7->18         started        56 Machine Learning detection for dropped file 12->56 file5 signatures6 process7 signatures8 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->44 46 Machine Learning detection for dropped file 18->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->48 50 Injects a PE file into a foreign processes 18->50 21 brown83886.scr 1 4 18->21         started        process9 dnsIp10 32 mail.innervisioninterior.com 162.241.85.227, 49168, 49169, 49170 OIS1US United States 21->32 26 C:\Users\user\AppData\Roaming\...\chrome.exe, PE32 21->26 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->52 file11 signatures12
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-12-15 16:39:11 UTC
AV detection:
23 of 48 (47.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
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
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
Rule name:INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information


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

Malspam

AgentTesla

Word file doc 014b3137818fe9c6b66f870dfb5a2d59ea9e78ef414cb28dae5142e9eeb1736c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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