MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb74843103876ff17cf532aec1bd261d3ae47fa10d3ccefcaef62e13b29600d3. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb74843103876ff17cf532aec1bd261d3ae47fa10d3ccefcaef62e13b29600d3
SHA3-384 hash: 8272d9416b3008af04b20d36864d0fe5db3c7134ec399dad814bf129bbde5855905726a688c97702ca7e47e0cd8814a3
SHA1 hash: 8b334643da24ab1f5530a86a2bc0d2c06d36a1c2
MD5 hash: 7f5f6ddd79cfd8f378649f7cbe148a90
humanhash: cardinal-gee-alaska-montana
File name:NEW QUOTATION AGREEMENT.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:69'278 bytes
First seen:2021-02-09 06:30:46 UTC
Last seen:2021-02-10 06:41:40 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:gL1GYTKcBTPZN7VjELoH2KQKOcmJgjzqhYFS6dWRiKcBfXSgJg7Cf:gLx1TiLoHgbJsqhoS6gcBTqm
TLSH 4A63AFB87A042DE6A76F52F7DA86BCD812B9765287C7A0DC6078BBC30563376ED01C05
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vm1852130.41ssd.had.wf
Sending IP: 178.159.43.65
From: (Ms.)Jane Muorn<info@vm1852130.41ssd.had.wf>
Reply-To: <seema@cosnas.in>
Subject: NEW QUOTATION & AGREEMENT
Attachment: NEW QUOTATION AGREEMENT.doc

Intelligence

File Origin
# of uploads :
4
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW QUOTATION AGREEMENT.doc
Verdict:
Malicious activity
Analysis date:
2021-02-09 06:37:36 UTC
Tags:
trojan exploit CVE-2017-11882 opendir loader rat agenttesla
Link:
https://app.any.run/tasks/3e70e8c3-f9f2-48f2-b7aa-b5db3d740cda

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
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Adding an access-denied ACE
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
File Type:
Fake RTF File
Link:
https://app.docguard.net/fb74843103876ff17cf532aec1bd261d3ae47fa10d3ccefcaef62e13b29600d3/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/602627
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Modifies the hosts file
Multi AV Scanner detection for domain / URL
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
Sigma detected: File Dropped By EQNEDT32EXE
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 350332 Sample: NEW QUOTATION  AGREEMENT.doc Startdate: 09/02/2021 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 11 other signatures 2->54 8 EQNEDT32.EXE 11 2->8         started        13 WINWORD.EXE 291 19 2->13         started        process3 dnsIp4 36 tunedinblog.com 150.95.81.183, 49167, 80 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 8->36 30 C:\Users\user\AppData\...\global378932.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\...\globalx[1].exe, PE32 8->32 dropped 64 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->64 15 global378932.exe 12 1 8->15         started        file5 signatures6 process7 dnsIp8 38 185.239.242.107, 49168, 80 CLOUDIE-AS-APCloudieLimitedHK Moldova Republic of 15->38 40 Multi AV Scanner detection for dropped file 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Machine Learning detection for dropped file 15->44 46 4 other signatures 15->46 19 global378932.exe 2 15->19         started        24 cmd.exe 15->24         started        signatures9 process10 dnsIp11 34 frostdell.uk 185.174.175.2, 49169, 49170, 49171 ITLDC-NLUA Ukraine 19->34 28 C:\Windows\System32\drivers\etc\hosts, ASCII 19->28 dropped 56 Tries to steal Mail credentials (via file access) 19->56 58 Tries to harvest and steal ftp login credentials 19->58 60 Tries to harvest and steal browser information (history, passwords, etc) 19->60 62 Modifies the hosts file 19->62 26 timeout.exe 24->26         started        file12 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb74843103876ff17cf532aec1bd261d3ae47fa10d3ccefcaef62e13b29600d3/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-02-09 03:53:26 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7n2iimidq5x7c7hvgkxmdpjgdu5oi75bbu6m57fo6yxbhmuwadjq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210209-7cm6qkzyre/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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
Program crash
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
Drops file in Drivers directory
Executes dropped EXE
AgentTesla
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/fb74843103876ff17cf532aec1bd261d3ae47fa10d3ccefcaef62e13b29600d3

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 fb74843103876ff17cf532aec1bd261d3ae47fa10d3ccefcaef62e13b29600d3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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