MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 829b61183bd6535cd7f8ecaa211cc2ebbbef3fd8124acea0ccdd8b8572524ee2. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 829b61183bd6535cd7f8ecaa211cc2ebbbef3fd8124acea0ccdd8b8572524ee2
SHA3-384 hash: 715d92e3b0b6f404a4b80a85ff341fe2edc5d646898979a9e52e242f1a262edb108211405d3e2eac8d82dd6e637973c3
SHA1 hash: 2be509df120097921a8a2a660b2c7f9496af2a6a
MD5 hash: c9fc348de2d233de337c6c22a8850f52
humanhash: mango-louisiana-maryland-moon
File name:PO(CGK201105-01).doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'161'137 bytes
First seen:2020-11-07 06:39:02 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 24576:D7wma7IiJldk/0CaciEatQsFghhxIacADMguDos+bJFTSAR4/YmPuqw1:j
TLSH A735BFF876047DE6267F476BDA96ACDC13B626239ACBA4CD80A477C30563375FE02805
Reporter cocaman
Tags:AgentTesla doc


Avatar
cocaman
Malicious email (T1566.001)
From: "Accounts Karnal <accountsknl@pearlford.com>" (likely spoofed)
Received: "from pearlford.com (unknown [23.106.160.105]) "
Date: "06 Nov 2020 15:42:00 -0800"
Subject: "PO(CGK201105-01)"
Attachment: "PO(CGK201105-01).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 :
86
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

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
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/523674
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found potential equation exploit (CVE-2017-11882)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/829b61183bd6535cd7f8ecaa211cc2ebbbef3fd8124acea0ccdd8b8572524ee2/
Threat name:
Win32.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-11-06 06:13:13 UTC
File Type:
Document
Extracted files:
4
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/201107-pjrygh2m5n/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Blacklisted process makes network request
Executes dropped EXE
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

AgentTesla

Word file doc 829b61183bd6535cd7f8ecaa211cc2ebbbef3fd8124acea0ccdd8b8572524ee2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments