MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be4f7ec80edb008a8ce1fdac488f14fb652f21ccd87cda469c80c866ab7ef912. 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: 4


Intelligence 4 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be4f7ec80edb008a8ce1fdac488f14fb652f21ccd87cda469c80c866ab7ef912
SHA3-384 hash: 04cad637554bcbb2ec9453ae2e1fb1563bd7948f85c13bb038e57b8964309b0da76d4c2cf8e2b501be06998df0fdf438
SHA1 hash: 9b6392f5fe31c87b4a7a7be51e19d748a5657437
MD5 hash: 30c424ab05e61e2195fdf7e3694d2166
humanhash: blue-berlin-november-mirror
File name:RFQ35429.rtf
Download: download sample
Signature AgentTesla
Create hunting rule
File size:32'888 bytes
First seen:2020-10-21 06:14:10 UTC
Last seen:2020-10-21 08:29:43 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:wAM4evc7hhVgbGTEfXIqWzJRftQEgg3/lpDp1z/JY0w+V:wp4th+awPIq45ZgCjDp1TRxV
TLSH 3BE2DFF4A5849893C596A80586B6BE8A03A5F5776FC72300035DF2B23DBB74CCB0AD40
Reporter cocaman
Tags:AgentTesla CVE-2017-11882 rtf


Avatar
cocaman
Malicious email (T1566.001)
From: "Tracey Chen <drafting@artsansunited.ca>"
Received: "from hosted-by.rootlayer.net (unknown [45.137.22.134]) "
Date: "20 Oct 2020 23:49:01 -0700"
Subject: "RFQ-Belmont Villa"
Attachment: "RFQ35429.rtf"

Intelligence

File Origin
# of uploads :
5
# of downloads :
95
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.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
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be4f7ec80edb008a8ce1fdac488f14fb652f21ccd87cda469c80c866ab7ef912/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-10-20 09:45:36 UTC
File Type:
Document
Extracted files:
3
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xzhx5sao3maivdhb7wwerdyu7nss6iom3b6nuru4qdegnk367eja._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201021-yn5xrnzt3n/
Behaviour
Launches Equation Editor
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
Suspicious use of SetThreadContext
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

AgentTesla

Rich Text Format (RTF) rtf be4f7ec80edb008a8ce1fdac488f14fb652f21ccd87cda469c80c866ab7ef912

(this sample)

AgentTesla

Executable exe cb712d69174016e6a25e14b60019cdc2cb86a43456f8b486c04fcb4d023b5c9b

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 cb712d69174016e6a25e14b60019cdc2cb86a43456f8b486c04fcb4d023b5c9b

Comments