MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a023b9d4e63aab62c95820c69b08fc286f1ff99f7eb9381c5a83b258784063f. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 5a023b9d4e63aab62c95820c69b08fc286f1ff99f7eb9381c5a83b258784063f
SHA3-384 hash: 8b7d598981fde7cc0fe2a440f89deb728ae7225ef942c604f0066f43aaa23b96eadafe21f43814f350f8e5a8fa9b641c
SHA1 hash: ba4790800c4405bae0e0ab7ea00c09ac851bbcf0
MD5 hash: 5719412b22489e560067982cf63c36e7
humanhash: south-oklahoma-carbon-floor
File name:Purchase order-2020-C00618_pdf.exe
Download: download sample
Signature AgentTesla
File size:908'800 bytes
First seen:2020-08-10 09:29:36 UTC
Last seen:2020-08-10 11:07:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:YUPuxLfHNP8avfUv3Du7mOSTZI9yIymUEc/looFfY6Oc:YUPuxjtPNvfU7uCbTFjEcsx
Threatray 10'836 similar samples on MalwareBazaar
TLSH 76159F0EBDF43547F12B85BC73C860E212B2BC1D9B28ADE79E86F3E6456150AA537503
Reporter abuse_ch
Tags:AgentTesla exe SendGrid


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: o2.hv1nn.shared.sendgrid.net
Sending IP: 167.89.100.17
From: Joyce Chen <blow6868@hanmail.net>
Reply-To: blow6868@hanmail.net
Subject: 回复:采购订单2020-C00618
Attachment: Purchase order-2020-C00618_pdf.7z (contains "Purchase order-2020-C00618_pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Connection attempt
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla Matiex
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Yara detected Matiex Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260719 Sample: Purchase order-2020-C00618_... Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 Yara detected Matiex Keylogger 2->68 70 10 other signatures 2->70 8 Purchase order-2020-C00618_pdf.exe 15 8 2->8         started        13 WEqfDb.exe 2->13         started        15 WEqfDb.exe 2->15         started        process3 dnsIp4 56 amsetac.com 162.213.253.113, 49724, 80 NAMECHEAP-NETUS United States 8->56 46 C:\Users\user\AppData\...GlznGzkaX.exe, PE32 8->46 dropped 48 C:\Users\user\AppData\Local\Temp\window.exe, PE32 8->48 dropped 50 C:\Users\...GlznGzkaX.exe:Zone.Identifier, ASCII 8->50 dropped 52 2 other malicious files 8->52 dropped 84 Injects a PE file into a foreign processes 8->84 17 Purchase order-2020-C00618_pdf.exe 2 5 8->17         started        22 window.exe 6 8->22         started        24 schtasks.exe 1 8->24         started        28 2 other processes 8->28 86 Machine Learning detection for dropped file 13->86 26 WerFault.exe 13->26         started        file5 signatures6 process7 dnsIp8 54 ftp.turblneservices.com 17->54 40 C:\Users\user\AppData\Roaming\...\WEqfDb.exe, PE32 17->40 dropped 42 C:\Users\user\...\WEqfDb.exe:Zone.Identifier, ASCII 17->42 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->72 74 Tries to steal Mail credentials (via file access) 17->74 76 Tries to harvest and steal ftp login credentials 17->76 82 2 other signatures 17->82 44 C:\Users\user\AppData\Roaming\IKBIcTs.exe, PE32 22->44 dropped 78 Machine Learning detection for dropped file 22->78 80 Injects a PE file into a foreign processes 22->80 30 window.exe 15 2 22->30         started        34 schtasks.exe 1 22->34         started        36 conhost.exe 24->36         started        file9 signatures10 process11 dnsIp12 58 ftp.turblneservices.com 185.159.131.4, 21, 49740, 49741 ITOS-ASRU Russian Federation 30->58 60 checkip.dyndns.org 30->60 62 3 other IPs or domains 30->62 88 Tries to steal Mail credentials (via file access) 30->88 90 Tries to harvest and steal ftp login credentials 30->90 38 conhost.exe 34->38         started        signatures13 process14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-10 09:31:16 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Executes dropped EXE
AgentTesla Payload
AgentTesla
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

Executable exe 5a023b9d4e63aab62c95820c69b08fc286f1ff99f7eb9381c5a83b258784063f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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