MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da434e7b01c61143d440d75ccd8ad7136f030a43d9cdeaad377c443875a31744. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da434e7b01c61143d440d75ccd8ad7136f030a43d9cdeaad377c443875a31744
SHA3-384 hash: 128cb6d99fe6d2aa75dc8e1a37b23198d4ef9c744c74826ea17d3fc5c65748325f701308174d2e59fc84137fb887f57a
SHA1 hash: 9973ee6ad2dcef375b1b3308da66a879a9df37e8
MD5 hash: 892a39a80151a52f1a064cea015f270a
humanhash: echo-nineteen-lamp-potato
File name:TT20201712.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'726'623 bytes
First seen:2020-12-17 06:42:10 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:jHzsZmAs+edly25PKKxelZz8DIZtVC0wHcV2WmAP3sSZhsNVPqrlDqC5uvBgWMpa:/
TLSH 1385BFF876047DE6266F536BDA96ACDC13B6272399CBA4CD8064B7C305A3375FE02805
Reporter abuse_ch
Tags:doc HSBC


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: gmail.com
Sending IP: 103.53.41.195
From: HSBC Advising Service <secorintal1@gmail.com>
Reply-To: HSBC Advising Service <secorintal1@gmail.com>
Subject: Payment Advice - Advice Ref:[GLV124182676] / ACH credits / Customer Ref:[100000265388] / Second Party Ref:[KW05200000032220]
Attachment: TT20201712.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 :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT20201712.doc
Verdict:
No threats detected
Analysis date:
2020-12-17 07:08:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/164b0026-f1e9-43ee-ae6c-5eff4c4bb714

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.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/da434e7b01c61143d440d75ccd8ad7136f030a43d9cdeaad377c443875a31744/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/564955
Signature
Drops PE files with a suspicious file extension
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da434e7b01c61143d440d75ccd8ad7136f030a43d9cdeaad377c443875a31744/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 06:43:05 UTC
AV detection:
22 of 48 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jbu46ybyyiuhvca25om3cwxcnxqgcsd3hg6vljxprcdq5ndc5ca._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201217-wr9zsg82bs/
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
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:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/da434e7b01c61143d440d75ccd8ad7136f030a43d9cdeaad377c443875a31744

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 da434e7b01c61143d440d75ccd8ad7136f030a43d9cdeaad377c443875a31744

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments