MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8a9cff1731c41923b7c3abab09ea49d0b28e5e1e5fc7bf1fb03bcd43745d953. 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: f8a9cff1731c41923b7c3abab09ea49d0b28e5e1e5fc7bf1fb03bcd43745d953
SHA3-384 hash: 5ac13ce9551870c1faf2c7f45ad9d99889fcba006cd0f1a8c43b8e4d9c7caa657da509100c73fa31ea52542355048061
SHA1 hash: f82ee63508b18b46ebc883c22400e49965bd09d1
MD5 hash: 5f56a1a8535ad02a0a3371e676793919
humanhash: stairway-spaghetti-purple-item
File name:SCAN-735U96785.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:480'768 bytes
First seen:2020-06-03 09:07:47 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 12288:E7bYtBT1aA71DWuIv+JH94l1iDvk71GP+nhyK5O6oQEmXp:Rtul1iA71DnnOPmXp
Threatray 10'648 similar samples on MalwareBazaar
TLSH EEA4F1B4365C5C1BCA7C44F9606A120983F5922766B7F3CABCD928EA15C6FF50613B83
Reporter abuse_ch
Tags:AgentTesla bat


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.jiframeasylivingproducts.com
Sending IP: 142.4.26.167
From: office <todd@custombuiltpallets.com>
Reply-To: custombuiltpallets.com
Subject: PO
Attachment: PO94357-65628.rar (contains "SCAN-735U96785.bat")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 20:30:52 UTC
AV detection:
28 of 48 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cu474ltdrazeo34hk5lbhvetufsrzpb4x6hx4p3ao6nin2f3fjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
31c185ceec1decd13b09c736f42313c1c1e7e2bed23f7bda2938bbae7e2550cd
AgentTesla
587201350f1607e78ccfc8809dd7c8646ddd44ec4db8933b998043b9fba5bf72
AgentTesla
607f9c79b58c26613b4a6ebc78efe524acbe436c984a09aeff7d40cb109eff8d
AgentTesla
875791527ba2cb72c160068776d6ad6b802f46d897c73aade57d626c5d7690ab
AgentTesla
94fcc8c7fd53c5463c0d33d1f74b5c7c8c0ae95ef097477958acb9df1ae5a15e
AgentTesla
bad68e8105176aa79203bf702032c4e669420db34d6d3fa2d5fd24f739984b81
AgentTesla
c133315365e9f0824d0783e78b9cb01d54aba4067c73cb148ea795819b49825c
AgentTesla
cd7cb9fcf332d42246a9496f91322139e9fce696baa466951116b72c8233bd6b
AgentTesla
d2a97ab97d0977567f4b2ee6ba659725fc82e9d4fbdf293b5f2bed5152d40af5
AgentTesla
e3f7e46443905093f45dc19c371eecc0fb10d3d8c81941f1f75a274cabdab033
AgentTesla
+ 10'638 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-y7crc3vns6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
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 b510ae42b004ab24e508dd3a5b2973347ad49fa7aaaea7434cc53b7b7b6281c8

AgentTesla

Executable exe f8a9cff1731c41923b7c3abab09ea49d0b28e5e1e5fc7bf1fb03bcd43745d953

(this sample)

  
Dropped by
MD5 fc5719cec2ba11abdeaf21a3e6cdeda3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b510ae42b004ab24e508dd3a5b2973347ad49fa7aaaea7434cc53b7b7b6281c8

Comments