MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7238acfadf518f806a2eea29444fdbad02f46465840e5ed0842fafb77eb7c58c. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7238acfadf518f806a2eea29444fdbad02f46465840e5ed0842fafb77eb7c58c
SHA3-384 hash: 2ddd431f2908e2050f0cec169a2fdc5ee06a83eeec41740b02292ac24d40221cf097a19bd67d1201b9e4c830a095326a
SHA1 hash: 5bddc2f4dcddfc028f9da9085104a87a6bdbfd06
MD5 hash: 065170cc4d24b73e40dcd9c346ae4544
humanhash: nitrogen-wyoming-whiskey-diet
File name:Shipping Details_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:505'856 bytes
First seen:2020-08-03 13:52:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:ghtaAAi4QX1gpl6BVm4C91Rv2MoEZSu+s/+p+8xaRkrUqzJ:ghtaAiQXq7YCdoTsmp+82kzJ
Threatray 10'853 similar samples on MalwareBazaar
TLSH 83B4F15BF940939DCD6D85B1C8A3909CC2639C7B5501FB4A38EDB32D0B392D17826A9F
Reporter abuse_ch
Tags:AgentTesla exe TNT


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vv0.22.niihjuon.ml
Sending IP: 104.248.87.111
From: TNT EXPRESS CONSIGNMENT<service@tnt.com>
Subject: TNT Express Delivery Consignment Notification
Attachment: Shipping Details_PDF.rar (contains "Shipping Details_PDF.exe")

AgentTesla SMTP exfil server:
smtp.arrmet.in:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37903/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408052
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
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
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256267 Sample: Shipping Details_PDF.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Yara detected AgentTesla 2->49 51 6 other signatures 2->51 7 Shipping Details_PDF.exe 7 2->7         started        process3 file4 35 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->35 dropped 37 C:\Users\...\Shipping Details_PDF.exe.log, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->39 dropped 55 Injects a PE file into a foreign processes 7->55 11 Shipping Details_PDF.exe 2 7->11         started        15 cmd.exe 1 7->15         started        17 cmd.exe 3 7->17         started        20 cmd.exe 1 7->20         started        signatures5 process6 dnsIp7 41 smtp.arrmet.in 11->41 43 us2.smtp.mailhostbox.com 208.91.199.223, 49748, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->43 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->57 59 Tries to steal Mail credentials (via file access) 11->59 61 Tries to harvest and steal ftp login credentials 11->61 63 Tries to harvest and steal browser information (history, passwords, etc) 11->63 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        31 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 17->31 dropped 27 conhost.exe 17->27         started        33 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 20->33 dropped 29 conhost.exe 20->29         started        file8 signatures9 process10 signatures11 53 Creates an undocumented autostart registry key 22->53
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7238acfadf518f806a2eea29444fdbad02f46465840e5ed0842fafb77eb7c58c/
Threat name:
ByteCode-MSIL.Trojan.SmartAssembly
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 13:53:22 UTC
AV detection:
30 of 48 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oi4kz6w7kghya2ro5iuuit63vubpizdfqqhf5ueef6x3o7vxywga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'843 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200803-wf4sjx6g9e/
Behaviour
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7238acfadf518f806a2eea29444fdbad02f46465840e5ed0842fafb77eb7c58c

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

rar c399c9e747adb7d0f28863c1b055fc64c20be9f43a6eef46550de765b50fb753

AgentTesla

Executable exe 7238acfadf518f806a2eea29444fdbad02f46465840e5ed0842fafb77eb7c58c

(this sample)

  
Dropped by
MD5 d4903fa1f86f606e5a1e42db4b0e108d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37903/
  
Dropped by
SHA256 c399c9e747adb7d0f28863c1b055fc64c20be9f43a6eef46550de765b50fb753

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