MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 438df5a980d0c5d2da217708f647eca7b16e6d9d9f474aca3d0c6d562bcaf06f. 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: 438df5a980d0c5d2da217708f647eca7b16e6d9d9f474aca3d0c6d562bcaf06f
SHA3-384 hash: dc9a291b590976605b6b01a7f186ffc9bba3053c9566eef95418dc7ea3eb3df6a696c87f405ca095948f423850166c93
SHA1 hash: 0ad2253fcc50922c81af9872eac8bd8fd73ddd1b
MD5 hash: f30d17390cd27063579259031b15aff2
humanhash: stream-low-lemon-lactose
File name:New Order Feb.,2021.doc
Download: download sample
Signature AgentTesla
File size:1'938'751 bytes
First seen:2021-01-20 13:41:01 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:jiFZ/rtzGmw4WF4VEG6nhi3nu9hhy3xnmnj5vVkgWR6l943yZece5L/izWaD/BQg:jB
TLSH E195AFB875047DE6267F576BDA96ACDC03A61B639ACBA4CC80A4B7C30563375FE02C05
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: llwi215.servidoresdns.net
Sending IP: 82.223.223.105
From: MISTRA s. r. o. <hermes@aefa.es>
Reply-To: ejim@honnuertech.com
Subject: Re: New Order Feb., 2021 Mistra s.r.o.
Attachment: New Order Feb.,2021.doc

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Order Feb.,2021.doc
Verdict:
Malicious activity
Analysis date:
2021-01-20 13:51:44 UTC
Tags:
exploit CVE-2017-11882 loader

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
Creating a file in the %AppData% directory
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Creating a process from a recently created file
Sending an HTTP GET request to an infection source
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Drops PE files with a suspicious file extension
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
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: 342099 Sample: New Order Feb.,2021.doc Startdate: 20/01/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 8 other signatures 2->54 7 EQNEDT32.EXE 11 2->7         started        12 WINWORD.EXE 336 20 2->12         started        14 EQNEDT32.EXE 2->14         started        process3 dnsIp4 38 185.244.219.92, 49165, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 7->38 28 C:\Users\user\AppData\...\haitian87424.scr, PE32 7->28 dropped 30 C:\Users\user\AppData\...\haitianx[1].scr, PE32 7->30 dropped 64 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->64 16 haitian87424.scr 12 7->16         started        file5 signatures6 process7 dnsIp8 32 193.239.147.103, 49166, 80 DEDIPATH-LLCUS Brunei Darussalam 16->32 40 Multi AV Scanner detection for dropped file 16->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->42 44 Machine Learning detection for dropped file 16->44 46 4 other signatures 16->46 20 haitian87424.scr 2 16->20         started        24 haitian87424.scr 16->24         started        26 haitian87424.scr 16->26         started        signatures9 process10 dnsIp11 34 polar.argondns.net 20->34 36 91.210.107.53, 587 NCONNECT-ASRU Russian Federation 20->36 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->56 58 Tries to steal Mail credentials (via file access) 20->58 60 Tries to harvest and steal ftp login credentials 20->60 62 Tries to harvest and steal browser information (history, passwords, etc) 20->62 signatures12
Threat name:
Document-RTF.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-20 12:30:39 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger ransomware 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
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
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 438df5a980d0c5d2da217708f647eca7b16e6d9d9f474aca3d0c6d562bcaf06f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments