MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d68a64c24b58d998d34d9a789d34bffd195c853556c2995b3e3ac87b22a4f75. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 5d68a64c24b58d998d34d9a789d34bffd195c853556c2995b3e3ac87b22a4f75
SHA3-384 hash: d30f7e7a842cd5595e91eeb62b46135df9d239e85c72750729f59c69429273f94c9b6750a35bbd9039b2b568da65415a
SHA1 hash: 1f92dc1e59fb788cb4ccb3d39fd4537c04ad6d03
MD5 hash: cd6302c11d7458c93f8e3dac4df95d37
humanhash: harry-cold-harry-tango
File name:TT09372020.doc
Download: download sample
Signature AgentTesla
File size:957'524 bytes
First seen:2020-12-15 16:39:31 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:GLit4KQTci5gcVGGGpD9YoxjOdN2KkwHBg2fyWHUCjNIl:f
TLSH B015AFF875047DE62A6F576BDA96ACDD03B61B239ACBA4CC806477C305A3375FE02805
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: classictrade.com
Sending IP: 103.53.41.195
From: Sarah <commerciale@classictrade.com>
Reply-To: Sarah <iexport49@gmail.com>
Subject: Re: Pending TT Payment
Attachment: TT09372020.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 :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT09372020.doc
Verdict:
Malicious activity
Analysis date:
2020-12-15 17:24:36 UTC
Tags:
exploit CVE-2017-11882 loader trojan rat agenttesla

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
Launching a file downloaded from the Internet
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
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Drops PE files with a suspicious file extension
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
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 access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330845 Sample: TT09372020.doc Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 34 Multi AV Scanner detection for domain / URL 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 7 other signatures 2->40 7 EQNEDT32.EXE 10 2->7         started        12 WINWORD.EXE 291 23 2->12         started        process3 dnsIp4 24 rogatech.cf 46.173.221.33, 49165, 80 GPI-ASRU Russian Federation 7->24 20 C:\Users\user\AppData\...\damiano821879.scr, PE32 7->20 dropped 22 C:\Users\user\AppData\...\damianox[1].scr, PE32 7->22 dropped 42 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->42 14 damiano821879.scr 7->14         started        file5 signatures6 process7 signatures8 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->44 46 Machine Learning detection for dropped file 14->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->48 50 Injects a PE file into a foreign processes 14->50 17 damiano821879.scr 12 2 14->17         started        process9 signatures10 26 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->26 28 Tries to steal Mail credentials (via file access) 17->28 30 Tries to harvest and steal ftp login credentials 17->30 32 Tries to harvest and steal browser information (history, passwords, etc) 17->32
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-12-15 16:40:06 UTC
AV detection:
20 of 48 (41.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger 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
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 5d68a64c24b58d998d34d9a789d34bffd195c853556c2995b3e3ac87b22a4f75

(this sample)

  
Delivery method
Distributed via e-mail attachment

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