MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a431aa89dd427e5145ec7bc7a4b6509edd49b34c0ffc2f966bf51889f0a34e92. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a431aa89dd427e5145ec7bc7a4b6509edd49b34c0ffc2f966bf51889f0a34e92
SHA3-384 hash: e46eb2a3dd3af6f1a6d60bee864aa5dcebb516c779db8131be8ec6056a5f69b901c9c8647aa5c3b757172495484f99ed
SHA1 hash: 082605dc388f95a0c45bae425b8cdf3c8640a82f
MD5 hash: ada50b4a4772c1723afbf72816f00d09
humanhash: apart-sixteen-carolina-magnesium
File name:Payment Invoice PIJ2D032600.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'464'832 bytes
First seen:2020-05-27 06:34:41 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:ftb20pkaCqT5TBWgNQ7a8/TgRh7ZR0Oh1l6IAuULGt34tgH1bpmeAk0r6A:cVg5tQ7a8/TgRhVR0+AusGSWbpcl5
Threatray 9'595 similar samples on MalwareBazaar
TLSH D465E12363DE8361C77252737A25B711BEBB7C2506B5F96B2FD4093DA820122521EB73
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: yourhost.sale
Sending IP: 178.238.233.18
From: Fatih Yildirim <info@fatsakimya.com>
Subject: RE:PAYMENT INVOICE
Attachment: Payment Invoice PIJ2D032600.pdf.ace (contains "Payment Invoice PIJ2D032600.pdf.exe")

AgentTesla SMTP exfil server:
mail.rajalakshmi.co.in:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27686.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:
2020-05-27 06:35:46 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
30 of 48 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
16fd6da285b47443d75cd87eff0cd554c7cfc747488d4e79e2a78033af2709ee
AgentTesla
18bc1bb7ff629d8aa9646875c02636074f4039b39f48273ff97fe7c12f401e00
AgentTesla
301e1fa5855704be7f2c773cb7393098c89fe31b40dc6237420835d1c53a6a64
AgentTesla
3a07439a1a99adf36ee223fd32595574e6c7803bd380c573a2448be340d50c19
AgentTesla
56b9f46d444fc00ce61dd5a62bcf079275e5a13ae984c9b8415202068fe6b257
AgentTesla
638c1a92d23c9660163d8cc9e985189afe678096062a115ac08187d89a2e4149
AgentTesla
6a617cbc6e41a2e0ab810d412877b47dff0f4e4a4e98f3f92b3041c3ec27652e
AgentTesla
b78e0ed795cb86a85ec771f41d364d584b46fefcf84a5151e92d017334b5ab94
AgentTesla
bb959cf2808c00dbce35074844165d736f50f2b0ca81ac56b7818dc7d60c5dd0
AgentTesla
cdad1c467cfe5f914801c1156a92b6c23baf8abf4681a098f0bb550c890d874d
AgentTesla
+ 9'585 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-wk61k73776/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
ServiceHost packer
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

ace 5df1dcfb35359e21ed531020e2fa2ea6eae9f8201438cd5a1728dc7ad328d664

AgentTesla

Executable exe a431aa89dd427e5145ec7bc7a4b6509edd49b34c0ffc2f966bf51889f0a34e92

(this sample)

  
Dropped by
MD5 44474912b0c8b3d36f8095f484a7c280
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 5df1dcfb35359e21ed531020e2fa2ea6eae9f8201438cd5a1728dc7ad328d664

Comments