MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83d3fbe275cdaf290cbe7b9b9e6ac3283992a23a5138604c31f5f698d97b9249. 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: 3


Intelligence 3 IOCs YARA 4 File information Comments

SHA256 hash: 83d3fbe275cdaf290cbe7b9b9e6ac3283992a23a5138604c31f5f698d97b9249
SHA3-384 hash: 9ab485f764e67e9b12cb27fa4793bf0f38fbc37bcb44e6b7c1989469fde88f62fed74bed5a353ea0169c4d952d06e5d1
SHA1 hash: 8fe3c6e18ac9f56746ad3460976c8a8496a85ea8
MD5 hash: 72f51b4c2716e361a9e2d2fc602dd87a
humanhash: lemon-fourteen-lamp-stairway
File name:Vessel Doc.xlsm
Download: download sample
Signature AgentTesla
File size:53'165 bytes
First seen:2020-07-09 11:48:27 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/octet-stream
ssdeep 1536:OAwt2oojkLxoptYINnToYV2Zp0nIcjELcFfNy40rB7e50iG:Ub5NInNsp0n9lQ
TLSH 2F33BE28E61E20D0CF3A977953E813E3E63BA84B42B0FB0B655841645CD70563F5BB6E
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 xlsm


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ubuntu.rootmaster.info
Sending IP: 82.223.100.161
From: "TransOcean Shipping Ltd"<office.vienna@transocean-shipping.com>
Subject: PROFORMA REQUEST / MV ASKABAT
Attachment: Vessel Doc.xlsm

AgentTesla payload URL:
http://192.3.31.220/TZ9Z4hXCe51Vx1v.exe

AgentTesla SMTP exfil server:
mail.qatarpharmas.org:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-07-09 11:50:06 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Launches Equation Editor
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Script User-Agent
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
NTFS ADS
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Script User-Agent
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Enumerates system info in registry
NTFS ADS
Office loads VBA resources, possible macro or embedded object present
Program crash
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Blacklisted process makes network request
Executes dropped EXE
Executes dropped EXE
Blacklisted process makes network request
Process spawned unexpected child process
Process spawned unexpected child process
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:win_agent_tesla_w1
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

Excel file xlsm 83d3fbe275cdaf290cbe7b9b9e6ac3283992a23a5138604c31f5f698d97b9249

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments