MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1890ab9f7e4107096420bd8f0f5d7ff1a84d7b02c691675b70cf3382fda0a81a. 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: 1890ab9f7e4107096420bd8f0f5d7ff1a84d7b02c691675b70cf3382fda0a81a
SHA3-384 hash: d0387d152e935f48b032b6ccd618a282dfb12dfa6d2c78e750f82e1a933900f169cc57d2b96c179a61943548f16237f5
SHA1 hash: 565ab6223461ee26f3647af8184c66fc10aa4857
MD5 hash: e15587091feb670cf83c48b147e8e621
humanhash: mississippi-oxygen-winter-triple
File name:FACTURA VENCIDA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:427'008 bytes
First seen:2020-05-19 08:05:59 UTC
Last seen:2020-05-19 09:04:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Hmc+iQZ7YiFGZWnh1amYwugvqUHV5ijGrCACs0FzdoQJdxP+vDTcZ9DqMx:HLiYiF7n1YwDtVQaC/sE5pK4J
Threatray 10'658 similar samples on MalwareBazaar
TLSH F194028913FE6F41E97C8BF82961601557F2B09BB945F618CDC270CB3662F90DAA0E17
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ultron8.titaniumsystem.es
Sending IP: 144.76.174.186
From: Ernesto Jose Valls Fernandez <ernesto.vaIls@acerinox.com>
Subject: FACTURA Nº 00-004994-2020
Attachment: fra_02019.rar (contains "FACTURA VENCIDA.exe")

AgentTesla SMTP exfil server:
mail.araneta.es:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.6078.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-19 08:35:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 48 (45.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dcikxh36iedqszbaxwhq6xl76gue26ycy2iwow3qz4zyf7navana._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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96b4c0eb2ed053c03c8f12c8a46c218490a064ff43b4b29eb6883e758d13f624
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ba4587bb7fef7fe60afcde3742183472840eaf7ef122669ae3f94eaad245fd7f
AgentTesla
+ 10'648 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-tw44decsxe/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
rezer0
AgentTesla
CoreEntity .NET Packer
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

zip a204598c9e3e26f8316f1f3c99498607839666477d8816eb08007f56de2c6079

AgentTesla

Executable exe 1890ab9f7e4107096420bd8f0f5d7ff1a84d7b02c691675b70cf3382fda0a81a

(this sample)

  
Dropped by
MD5 4b9753422040ead2dae94fbdbb8b6b2f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a204598c9e3e26f8316f1f3c99498607839666477d8816eb08007f56de2c6079

Comments