MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a53aa039dd319d6f8f791f9bc8e1b3dcf253ec019900e30d9c0c15020750ee70. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a53aa039dd319d6f8f791f9bc8e1b3dcf253ec019900e30d9c0c15020750ee70
SHA3-384 hash: 1a8e27413758baa618f405c793bf8c12b114455595f2192c301f27d09129760672b1a0e887a3dc9197ff42be7d27b33e
SHA1 hash: 1b6993be8431be9ca97eb51526d0852a7b14182e
MD5 hash: 1f2b5105ea4da0026368ad2e0cb78d0a
humanhash: blue-don-eight-foxtrot
File name:FedEx TRACKING DETAILS-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:678'400 bytes
First seen:2020-07-16 06:34:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:DbO2CS28qtmuFD7ms9BR0XCSkXf8Q6LRswjG301ac5T7n6aDZc8fGysS0:Di2CSVq2s90Cn8TY3ZqpDZ0ys
Threatray 10'836 similar samples on MalwareBazaar
TLSH 35E449393E856424D93E0A3584E55AE273B0A5CB3A22CB0F69C7179C5F077DB7B0924E
Reporter abuse_ch
Tags:AgentTesla exe FedEx


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gyp.gr
Sending IP: 46.227.62.27
From: Nubia Felicia Granados (FedEx) <nubia.granados@fedex.com>
Reply-To: Nubia Felicia Granados (FedEx) <dustiutd12@hotmail.com>
Subject: FedEx DELIVERY NOTIFICATION
Attachment: FedEx TRACKING DETAILS-pdf.7z (contains "FedEx TRACKING DETAILS-pdf.exe")

AgentTesla FTP exfil server:
ftp.samarasae.gr:21

AgentTesla FTP exfil user name:
intel101@samarasae.gr

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26367/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.7078.19187.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process by context flags manipulation
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a53aa039dd319d6f8f791f9bc8e1b3dcf253ec019900e30d9c0c15020750ee70/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 06:36:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uu5kaoo5ggow7d3zd6n4rynt3tzfh3abteaogdm4bqkqeb2q5zya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'826 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-p5c1stewne/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of local email clients
Executes dropped EXE
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
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

zip 582b013dfb2de7f7253ec123cc6a57b0466b15881b2d5d29bc64edf0df27ac6d

AgentTesla

Executable exe a53aa039dd319d6f8f791f9bc8e1b3dcf253ec019900e30d9c0c15020750ee70

(this sample)

  
Dropped by
MD5 ca6754fa9565de6c14b5b41205730752
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 582b013dfb2de7f7253ec123cc6a57b0466b15881b2d5d29bc64edf0df27ac6d
Cape
Cape
https://www.capesandbox.com/analysis/26367/

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