MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a809de42c278e6f3c45013d3486182bbef16251fc36a30bc9b4109041788285. 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: 4a809de42c278e6f3c45013d3486182bbef16251fc36a30bc9b4109041788285
SHA3-384 hash: 89721238dc9f8436148599d8231d23e00d0e6688d95c33520ef3c2138b569241c327acfb57da1d3aae6c76b38e018730
SHA1 hash: e4aa0d38a9b6cf85803863830fc40caa4afca0e3
MD5 hash: 14009a72ff9ce792ccef9d67c3711849
humanhash: happy-shade-california-seventeen
File name:PACKING LIST AND INVOICE.exe
Download: download sample
Signature AgentTesla
File size:528'384 bytes
First seen:2020-08-06 06:01:48 UTC
Last seen:Never
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:WP3SEOWMRLMCrpQCaMZZC50qM7FROp7W58lgBawuwgrpiA:0OWMRLMEFZx7FROp7oVEQA
Threatray 10'646 similar samples on MalwareBazaar
TLSH 70B4F11473DC5B6ADCFC6BF9815C348043F87E66AD61E3955DC2B0FA2273B8081A1A97
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hscbelt.com
Sending IP: 103.133.104.130
From: christine <christine@hscbelt.com>
Reply-To: christine@hscbelt.com
Subject: Required by EXW China to Vietnam
Attachment: PACKING LIST AND INVOICE.rar (contains "PACKING LIST AND INVOICE.exe")

AgentTesla SMTP exfil server:
mail.clearwayslogisticsltd.co.ke:587

AgentTesla SMTP exfil email address:
mail@clearwayslogisticsltd.co.ke

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
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
Modifies the hosts file
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
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: 258345 Sample: PACKING LIST AND INVOICE.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Yara detected AgentTesla 2->45 47 8 other signatures 2->47 8 PACKING LIST AND INVOICE.exe 7 2->8         started        process3 file4 25 C:\Users\user\AppData\Roaming\ZGVWEs.exe, PE32 8->25 dropped 27 C:\Users\user\...\ZGVWEs.exe:Zone.Identifier, ASCII 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmp486E.tmp, XML 8->29 dropped 31 C:\Users\...\PACKING LIST AND INVOICE.exe.log, ASCII 8->31 dropped 49 Injects a PE file into a foreign processes 8->49 12 PACKING LIST AND INVOICE.exe 2 8->12         started        17 schtasks.exe 1 8->17         started        signatures5 process6 dnsIp7 35 clearwayslogisticsltd.co.ke 136.243.75.214, 49754, 587 HETZNER-ASDE Germany 12->35 37 mail.clearwayslogisticsltd.co.ke 12->37 39 192.168.2.1 unknown unknown 12->39 33 C:\Windows\System32\drivers\etc\hosts, ASCII 12->33 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to steal Mail credentials (via file access) 12->53 55 Tries to harvest and steal ftp login credentials 12->55 57 2 other signatures 12->57 19 reg.exe 1 12->19         started        21 conhost.exe 17->21         started        file8 signatures9 process10 process11 23 conhost.exe 19->23         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-06 01:26:30 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla Payload
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 4a809de42c278e6f3c45013d3486182bbef16251fc36a30bc9b4109041788285

(this sample)

  
Delivery method
Distributed via e-mail attachment

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