MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b
SHA3-384 hash: 48e7392a7a4ec12c0acb0e6c00e6f07e448507d3b3c816a34a54c49acd1a802857992b7c6da598b80e64c4e016afd991
SHA1 hash: 750329e00b40afc7822c1ba475d478997052c1da
MD5 hash: d10e27f82054f3ec1a5bd49def9c8c06
humanhash: paris-echo-florida-illinois
File name:HTML E-mail .doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:599'400 bytes
First seen:2020-12-08 06:31:12 UTC
Last seen:2020-12-10 12:18:32 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 12288:zrFrrgzaM84FF/2/lX/g68AkIQ31Iraxjw/VB7qb/eE+ergcMNbNOfMq/zlS:zRcXFF/2/lX/ZkI0pjw/v7qiERUTNYfy
TLSH 26D4AFF875147DE6267F176BDA96ACDC13A61A739ACBA4CC4064BBC305A3335FE02805
Reporter cocaman
Tags:AgentTesla doc


Avatar
cocaman
Malicious email (T1566.001)
From: ""Susana Diaz" <susana.diaz@freireshipyard.com>" (likely spoofed)
Received: "from freireshipyard.com (unknown [37.49.225.134]) "
Date: "10 Dec 2020 12:02:34 +0100"
Subject: "URGENT: New Bank Details "
Attachment: "New Bank Details.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 :
4
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HTML E-mail .doc
Verdict:
Malicious activity
Analysis date:
2020-12-10 17:12:18 UTC
Tags:
exploit CVE-2017-11882
Link:
https://app.any.run/tasks/f29a837e-edd3-4658-a370-3a7117efe03c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.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
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b/results/dashboard
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/557606
Signature
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327906 Sample: HTML E-mail .doc Startdate: 08/12/2020 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 11 other signatures 2->52 7 EQNEDT32.EXE 11 2->7         started        12 WINWORD.EXE 336 18 2->12         started        14 EQNEDT32.EXE 2->14         started        process3 dnsIp4 36 runningcrewteam.com 213.181.192.180, 49167, 80 EZIT-ASHU Hungary 7->36 30 C:\Users\user\...\poiuytrdfhgjckgejidks.exe, PE32 7->30 dropped 32 C:\Users\user\...\McgjQSIvvkl7ZY4[1].exe, PE32 7->32 dropped 62 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->62 16 poiuytrdfhgjckgejidks.exe 2 8 7->16         started        file5 signatures6 process7 file8 26 C:\Users\user\AppData\...\yeeRvXbTWJrT.exe, PE32 16->26 dropped 28 C:\Users\user\AppData\Local\...\tmpA97A.tmp, XML 16->28 dropped 38 Multi AV Scanner detection for dropped file 16->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->40 42 Machine Learning detection for dropped file 16->42 44 3 other signatures 16->44 20 poiuytrdfhgjckgejidks.exe 4 16->20         started        24 schtasks.exe 16->24         started        signatures9 process10 dnsIp11 34 mail.privateemail.com 198.54.122.60, 49168, 49170, 49171 NAMECHEAP-NETUS United States 20->34 54 Tries to steal Mail credentials (via file access) 20->54 56 Tries to harvest and steal ftp login credentials 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 60 Installs a global keyboard hook 20->60 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-08 06:32:06 UTC
File Type:
Document
Extracted files:
2
AV detection:
24 of 48 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201208-qvcay3m1pa/
Behaviour
Creates scheduled task(s)
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
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/12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b

File information

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

Malspam

AgentTesla

Word file doc 12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

Comments