MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6584d03c245b4cebded9264308da12b97193ad6ae195636d9f447b6c4ce7698. 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: a6584d03c245b4cebded9264308da12b97193ad6ae195636d9f447b6c4ce7698
SHA3-384 hash: 4cb76b10813c2112765a07bd3e2361c8e6d49f95d4c79e1a28be6533b70bb45641d942e5bd266ff9b00b6d09891dfdcf
SHA1 hash: 5db086b22bb97d2e373f31b791ff0930bd82cb69
MD5 hash: 9176cc3a2b72f6ddc6ca7ca9f0408c8b
humanhash: fourteen-monkey-quebec-east
File name:ojZvqGrbTgN6zhJ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:468'480 bytes
First seen:2020-06-03 08:42:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:rf758gKtFBjOY6sZPK/IC2qsU8NH36gthr81tLP+x8J+cee6IjYtZPLewSuI1Sih:775yjdpFk8tqu4XLc8J+ceets/5e4W
Threatray 10'537 similar samples on MalwareBazaar
TLSH 4AA4F14976686D1BCDBD88F5D46221054BF1821635DBFBCB8DCA30DBA6C2BF02611E93
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.menorallc.com
Sending IP: 178.128.121.84
From: Mehdi Rahbarii <fcopy1@dutahitajaya.co.id>
Subject: Purchase Order
Attachment: Purchase Order.iso (contains "ojZvqGrbTgN6zhJ.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
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 13:51:36 UTC
AV detection:
24 of 48 (50.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzme2a6ciw2m5ppnsjsdbdnbfolrsowwvymvmnwz6rd3nrgoo2ma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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218eadf397c142440e7c54221a6faf836e512446e8d39b850114565b0ca36331
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bad68e8105176aa79203bf702032c4e669420db34d6d3fa2d5fd24f739984b81
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d2a97ab97d0977567f4b2ee6ba659725fc82e9d4fbdf293b5f2bed5152d40af5
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AgentTesla
+ 10'527 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-yrp5fpq5tn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
rezer0
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

iso ef3bf4dc8089dc4a53a7f3c01a0ff834d4a8ad8a66ddd19282e242c1855a2a76

AgentTesla

Executable exe a6584d03c245b4cebded9264308da12b97193ad6ae195636d9f447b6c4ce7698

(this sample)

  
Dropped by
MD5 049ad99a204095e2e81226069951a7b1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ef3bf4dc8089dc4a53a7f3c01a0ff834d4a8ad8a66ddd19282e242c1855a2a76

Comments