MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8109237bf7a1c2574ac69e392dc663efc2a0640ed524f9f320c443cb908376f0. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8109237bf7a1c2574ac69e392dc663efc2a0640ed524f9f320c443cb908376f0
SHA3-384 hash: f5719f608ab2f9b84fb5f1a95ff89960fa8f33fdf410046df58f8efacbf6c4cd52cd11e14288f68aba3024477a2bf41d
SHA1 hash: 02e78e863626c2798a80efb2667eb169d8861ff7
MD5 hash: 0b3fffb143ffcf93864ff561cb5830a9
humanhash: beer-four-whiskey-wolfram
File name:Bank_Transfer_Receipt_Copy.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:317'090 bytes
First seen:2021-01-28 15:27:28 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:L/6LYrUVjkXdCfWd5ppJI8L4s5kSFxNPnfokdH9jGIWmiKduNNZJRfFsf:PBCfWdtJf3/dYkdH9qKd8Dsf
TLSH D864BFF875043DE6766F426BDE96ADDD13B6262399CB94CC90A87BC305A3375FE02804
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: smtp69.allytech.com
Sending IP: 200.68.105.69
From: Accounting//Administrativo- Coordinacion <dquayson@stresstergh.com>
Subject: PAYMENT Outward Swift Confirmation 103
Attachment: Bank_Transfer_Receipt_Copy.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
02E78E863626C2798A80EFB2667EB169D8861FF7
Verdict:
Malicious activity
Analysis date:
2021-01-28 12:11:35 UTC
Tags:
trojan exploit CVE-2017-11882 loader rat agenttesla
Link:
https://app.any.run/tasks/f52f5330-4b1f-4008-a7a0-f5844c0fa0c9

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
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR._EQUATION.200422.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Launching a file downloaded from the Internet
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Sending an HTTP GET request to an infection source
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/8109237bf7a1c2574ac69e392dc663efc2a0640ed524f9f320c443cb908376f0/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/593034
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
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)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 345571 Sample: Bank_Transfer_Receipt_Copy.doc Startdate: 28/01/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Antivirus detection for URL or domain 2->36 38 8 other signatures 2->38 7 EQNEDT32.EXE 10 2->7         started        12 WINWORD.EXE 291 21 2->12         started        process3 dnsIp4 28 tunedinblog.com 150.95.81.183, 49165, 80 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 7->28 22 C:\Users\user\AppData\Roaming\osama574.scr, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\osamax[1].scr, PE32 7->24 dropped 48 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->48 14 osama574.scr 12 7->14         started        file5 signatures6 process7 dnsIp8 30 193.239.147.103, 49166, 80 DEDIPATH-LLCUS Brunei Darussalam 14->30 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->52 54 Injects a PE file into a foreign processes 14->54 18 osama574.scr 10 14->18         started        signatures9 process10 dnsIp11 26 mail.labiconics.com 107.180.54.182, 49167, 587 AS-26496-GO-DADDY-COM-LLCUS United States 18->26 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->40 42 Tries to steal Mail credentials (via file access) 18->42 44 Tries to harvest and steal ftp login credentials 18->44 46 Tries to harvest and steal browser information (history, passwords, etc) 18->46 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8109237bf7a1c2574ac69e392dc663efc2a0640ed524f9f320c443cb908376f0/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-01-28 15:28:06 UTC
AV detection:
24 of 46 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qeesg67xuhbfoswgty4s3rtd57bkazao2uspt4zayrb4xeedo3ya._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/210128-cprgtm1jvj/
Behaviour
Checks processor information in registry
Enumerates system info in registry
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
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Bloodhound
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8109237bf7a1c2574ac69e392dc663efc2a0640ed524f9f320c443cb908376f0

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
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
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 8109237bf7a1c2574ac69e392dc663efc2a0640ed524f9f320c443cb908376f0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments