MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a5f7233cf270a2d42755af202fec5555d82b89209cc90c0828cdfb795eb68ab. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a5f7233cf270a2d42755af202fec5555d82b89209cc90c0828cdfb795eb68ab
SHA3-384 hash: 7bebe8410de3b7492fbec363996bc0a1e99f4cab887fc96ec6995695d88a2b7a5b74204c85c080d32b3e1d9740dd0525
SHA1 hash: 828517ecd2bfb9f452af3c857defcab95dd718bd
MD5 hash: 8931080d0aadda27543dc836732a84d1
humanhash: nine-whiskey-hydrogen-tennessee
File name:RFQ-AFG-SC 2020-406.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'775'616 bytes
First seen:2020-05-07 06:50:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Etb20pkaCqT5TBWgNQ7aJNWx4tAqYUuTub+zrg1QorBfiprdV6A:tVg5tQ7aJz/eTuCzEVBit5
Threatray 8'960 similar samples on MalwareBazaar
TLSH 9D85F12263DEC361C3726273BA56B741BEBF782546A1F56B2FD4093DF820122521E673
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx3.bangla.net
Sending IP: 203.188.252.14
From: Purchase1 <br7569@bangla.net>
Reply-To: ajit@colorcloud.co.in
Subject: Quotation Inquiry: RFQ/AGF/SC/2020/406
Attachment: RFQ-AFG-SC 2020-406.rar (contains "RFQ-AFG-SC 2020-406.exe")

AgentTesla SMTP exfil server:
smtp.onlinexpertsales.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27684.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-07 04:44:41 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
26 of 30 (86.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjpxem6pe4fc2qtvllzaf7wfkvoyfoesbhgjbqecrtp3pfplncvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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301e1fa5855704be7f2c773cb7393098c89fe31b40dc6237420835d1c53a6a64
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8275f526465d7b9d806b1be78d895d7f499044b456be1aec36b8cac8188890ac
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8d1512de63fd1bf66f80c8ec2ec640464a6ce986101849488372a38fed2bcfb6
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90cca0bc037f3b3e5ac45af4d2c3233da62776630d330113621d1a4f531c4dfd
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bfefac71337cac5e66779e74fe6ba571620329ff9da8d7ce21999d90b46bcdb9
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e9fc4844ee50f9e59616bd7238bfae3de6b8b194abf635e787e5a44d8658fe42
AgentTesla
+ 8'950 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-pjd9aqttqn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Reads data files stored by FTP clients
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.

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 1f1b8a6c82c013386f0bc6ee8b330a75b6410df29df3e4e0b426711130863557

AgentTesla

Executable exe 4a5f7233cf270a2d42755af202fec5555d82b89209cc90c0828cdfb795eb68ab

(this sample)

  
Dropped by
MD5 71adb2d1deaabe167b50aacf0676908b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1f1b8a6c82c013386f0bc6ee8b330a75b6410df29df3e4e0b426711130863557

Comments