MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca38289752e799523d0031fd56900abe2f43d0c2c0eee48f010728c6a22959ff. 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: ca38289752e799523d0031fd56900abe2f43d0c2c0eee48f010728c6a22959ff
SHA3-384 hash: f9336338b7b81895190d993c609475d921b357b946e0f5294e56102ce237b40f2d1a337acbad404f6eb0c5b501aac254
SHA1 hash: 19da6834ac6d6a107ffb7623ba1147eb362e5db4
MD5 hash: baaf22c14b3b7f5a5a67d02abf6fce2f
humanhash: diet-march-eight-sierra
File name:Purchase Oder.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:440'832 bytes
First seen:2020-07-12 08:01:27 UTC
Last seen:2020-07-12 09:13:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'649 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:ucUf+5S2uK94recUaK2dS8LhM5Y9FlJcQRYRT0isq:ucUQVQM0ll9FlJcQeRT6q
Threatray 10'676 similar samples on MalwareBazaar
TLSH 289412D661FF0327FF9A4B39BE220315C77567260C2AF36B2791F349A5627800A11767
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.plusing.ga
Sending IP: 89.32.41.133
From: Riccardo Corbo <purchase@zaratrade.com>
Subject: Purchase Order
Attachment: Purchase Oder.zip (contains "Purchase Oder.exe")

AgentTesla SMTP exfil server:
mail.tsa.ae:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24805/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.EOBL.31187.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Moving a system file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca38289752e799523d0031fd56900abe2f43d0c2c0eee48f010728c6a22959ff/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-12 08:03:05 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zi4crf2s46mvepiagh6vneakxyxuhugcydxojdyba4umnirjlh7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'666 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200712-wsg4xgfhgs/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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 12a9ef1ebfa6ee37ef562648360c40a9757e7a94ae75e22a1f72bb91aee691e6

AgentTesla

Executable exe ca38289752e799523d0031fd56900abe2f43d0c2c0eee48f010728c6a22959ff

(this sample)

  
Dropped by
MD5 973c7395c6c17721ae35d2586d007155
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24805/
  
Dropped by
SHA256 12a9ef1ebfa6ee37ef562648360c40a9757e7a94ae75e22a1f72bb91aee691e6

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