MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba3d19fdb5b0ad759b64b9871bc02d6bbd3cd8e01ce21d489f3fff9f2fab7ea9. 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: ba3d19fdb5b0ad759b64b9871bc02d6bbd3cd8e01ce21d489f3fff9f2fab7ea9
SHA3-384 hash: d356aa063925bf203ae042d8fb23e2f93386afa36af1aae391f019258f2409651440dfa7a789bcc92dc8cb14d185cf1c
SHA1 hash: fb811e5d7a93b61c42be3995fb1749fc7671736b
MD5 hash: f052854caba7b88a51f58ff9944c17da
humanhash: sad-helium-batman-moon
File name:Product list.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:689'608 bytes
First seen:2020-12-16 15:49:33 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 12288:3IA1TNEIlpGTS5TQVNX7/yvExdE2s07ldkg8bc2K2wutJwSTMYKL:3IA1xGTS5MV1/yvEx22s0hCbCZutJwSU
TLSH FBE4AFBC76047DE6666F566BCA96ADDC03B52723CACBA8CD4064B7C305A3375FE02805
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: flokelenterprises.com
Sending IP: 84.38.132.107
From: Flokel Enterprises <info@flokelenterprises.com>
Subject: Product Inquiry
Attachment: Product list.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 :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Product list.doc
Verdict:
Malicious activity
Analysis date:
2020-12-16 15:54:10 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/110f5e0b-b987-417e-a44b-c97be1bb24b0

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

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
Running batch commands
Creating a process with a hidden window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Sending a TCP request to an infection source
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/ba3d19fdb5b0ad759b64b9871bc02d6bbd3cd8e01ce21d489f3fff9f2fab7ea9/results/dashboard
Result
Gathering data
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.expl
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/564471
Signature
Connects to a pastebin service (likely for C&C)
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)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ba3d19fdb5b0ad759b64b9871bc02d6bbd3cd8e01ce21d489f3fff9f2fab7ea9/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-16 15:50:06 UTC
AV detection:
20 of 48 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xi6rt7nvwcwxlg3exgdrxqbnno6tzwhadtrb2se7h77z6l5lp2uq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201216-dhsfrpf9kx/
Behaviour
Delays execution with timeout.exe
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 NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
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.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/ba3d19fdb5b0ad759b64b9871bc02d6bbd3cd8e01ce21d489f3fff9f2fab7ea9

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 ba3d19fdb5b0ad759b64b9871bc02d6bbd3cd8e01ce21d489f3fff9f2fab7ea9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments