MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48a05e42214277f9a4fe66017f03cce54570e22aab74cc8aa7e0a66ec4d3d4d3. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48a05e42214277f9a4fe66017f03cce54570e22aab74cc8aa7e0a66ec4d3d4d3
SHA3-384 hash: 6122d09007d04a8d878591510a45b4d8a5b7a6fdad6f7230f60e67d5256d8a991aca92045e700f59abb4a009116173ee
SHA1 hash: 8568892da5659fd33a8380eafd3558c0618a70b5
MD5 hash: a16c9c7e48403e3e165115752fa4ceda
humanhash: bluebird-item-indigo-november
File name:JQ2341024749.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:162'313 bytes
First seen:2020-09-01 05:26:16 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:zZZIXK8ROg6vCK3lZ29k9mleieiu8ZAXoZqQWFXwzk44M0xKsU/rdeqAsu5nv:zTIhOg6z1mpoeu3wixKXdFAs4nv
TLSH 63F3AFB875143DA2667F136BDAD6AC9D03A227639ACBA4CD4078B7C30563376FE01805
Reporter cocaman
Tags:AgentTesla CVE-2017-11882 doc


Avatar
cocaman
Malicious email
From: "Haiyan Zhao" <support@hisensetech.tk>
Received: from cloud-6a250f.managed-vps.net (cloud-6a250f.managed-vps.net [79.124.76.215])
Date: Tue, 01 Sep 2020 07:08:21 +0200
Subject: RE: [Quote JQ2341024749]RE: new RFQ
Attachment: JQ2341024749.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
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
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Reading critical registry keys
Launching a service
Creating a file
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/456164
Signature
A
b
c
d
e
f
i
l
M
n
o
r
S
t
u
V
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48a05e42214277f9a4fe66017f03cce54570e22aab74cc8aa7e0a66ec4d3d4d3/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-09-01 05:28:09 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 48 (35.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jcqf4qrbij37tjh6myax6a6m4vcxbyrkvn2mzcvh4ctg5rgt2tjq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200901-zpw9m8bs56/
Behaviour
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Adds Run key to start application
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
Blacklisted process makes network request
Executes dropped EXE
UPX packed file
AgentTesla Payload
AgentTesla
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/48a05e42214277f9a4fe66017f03cce54570e22aab74cc8aa7e0a66ec4d3d4d3

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

Word file doc 48a05e42214277f9a4fe66017f03cce54570e22aab74cc8aa7e0a66ec4d3d4d3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments