MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3431de739fdc4078088bac28c881d6ae53135a82f6ffaced81807c605d4e437. 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: a3431de739fdc4078088bac28c881d6ae53135a82f6ffaced81807c605d4e437
SHA3-384 hash: 834d4af4afdda9c7f022a8dcb32ad5f4ecc296f4b73fd70a57b44d09d909e4d400bc3196671924b524ed26f9cd5c03c0
SHA1 hash: 62413bb78bb15edb09666d8c56d7eaf8ff480e07
MD5 hash: 322098f5b3d28f6555d2354919f1d323
humanhash: butter-alaska-eleven-alaska
File name:Price Offer2.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'637'376 bytes
First seen:2020-05-28 06:31:24 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:/tb20pkaCqT5TBWgNQ7aYIFgm+HNzg7pTPAC//O+m3ErWXWaWFtp73p6A:8Vg5tQ7aYI2strfWmrfl5
Threatray 10'976 similar samples on MalwareBazaar
TLSH 9A75CE1263DE826CC6B251737A157705AE7B7C2505A1B4DB3FDB3838AD3C362831A663
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail04.filter06.mta.whmpanels.com
Sending IP: 188.209.214.51
From: Murat.Ozturk@cayan.com.tr
Subject: CAYAN // Price Offer - 28.05.2020
Attachment: Price Offer2.pdf.uu (contains "Price Offer2.pdf.exe")

AgentTesla SMTP exfil server:
mail.brymormaks.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
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:
2020-05-28 07:12:32 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
20 of 31 (64.52%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
21cdc9802a3c3d371a549e3c576e7c13add07a22dbe38cac7b684a0de2f9ab84
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61e578e8dddb3755665f4b56d075417c41585ae95eb7f61cfa5942bf06a9a8e6
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829008943eff3aa587242f2dda6989e2f2b1e7cf7abcb10099071aa2444a9cb8
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916e4a56e4263ba232f9d942d2818560c5c4b973187db81a42e6fc39de7a2852
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b5aceeff33a27ee8157ba71a4e075792170b71d9db84498162caf9cd333fcbe4
AgentTesla
c35cd3a77ec0f34ef2ee68566dd1b870953a1dd5a97b7566074f72d2a4814482
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dfdf0f99d16bd7eb45ba5c6250fd49e81c99d41cd443bab3723ad9cdfb8b3a0f
AgentTesla
+ 10'966 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/201109-2hvt47gc8a/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
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 1c7cbc418956ef5ea2a8f62d368d124f28af729867b69cbd8addba3b25ab9b70

AgentTesla

Executable exe a3431de739fdc4078088bac28c881d6ae53135a82f6ffaced81807c605d4e437

(this sample)

  
Dropped by
MD5 24fd9e6914d1a237dc8a93bc9d8de0fb
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1c7cbc418956ef5ea2a8f62d368d124f28af729867b69cbd8addba3b25ab9b70

Comments