MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f2bd4e2510a0bbc2d9b47c90aea8d83e4cf42df957f3908628ff22730fd00f6. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 7f2bd4e2510a0bbc2d9b47c90aea8d83e4cf42df957f3908628ff22730fd00f6
SHA3-384 hash: a0643209e750fd533e959212940cb22d2cd0f830f945e56e3178cf33b91d67ef78ce307c0ae270b6f904698332bbf0a5
SHA1 hash: 71110e146a14cbf2e878e11375ef9801abb2012a
MD5 hash: deb8bf5b3dabe802227395612be4b451
humanhash: missouri-summer-july-alaska
File name:Reference details PO required.exe
Download: download sample
Signature AgentTesla
File size:768'000 bytes
First seen:2020-07-30 08:28:41 UTC
Last seen:2020-07-30 10:00:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:QgN6T7a/QJnPUkN4bo3K49KlnTxSIBlnSQPPUWGf8gq4qSpTKkP:l4MGPUkXa4UtTjhP8PEgqNS
Threatray 10'690 similar samples on MalwareBazaar
TLSH 59F4C0047B51E50EC7AB8F7ACAD44800EEB8F5964617E38B74C177AF28CF3AA9901571
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: volivesolutions.com
Sending IP: 37.49.224.123
From: Iily Williams <Mahadev@volivesolutions.com>
Subject: Re: Order Required Details And Shipment
Attachment: Reference details PO required.zip (contains "Reference details PO required.exe")

AgentTesla SMTP exfil server:
webmail.volivesolutions.com:587

AgentTesla SMTP exfil email address:
narendrababu@volivesolutions.com

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253918 Sample: Reference details PO required.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 8 other signatures 2->41 7 Reference details PO required.exe 5 2->7         started        process3 file4 23 C:\Users\user\AppData\...\&startupname&.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpA352.tmp, XML 7->25 dropped 27 C:\...\&startupname&.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\...\Reference details PO required.exe.log, ASCII 7->29 dropped 43 Injects a PE file into a foreign processes 7->43 11 Reference details PO required.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 Reference details PO required.exe 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 31 volivesolutions.com 192.185.5.184, 49698, 587 UNIFIEDLAYER-AS-1US United States 11->31 33 webmail.volivesolutions.com 11->33 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 21 conhost.exe 15->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-30 08:30:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
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: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

Executable exe 7f2bd4e2510a0bbc2d9b47c90aea8d83e4cf42df957f3908628ff22730fd00f6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments