MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f397b3ef0807ca0679420810983797c017fb980df61b23ffd002299a2b502bd1. 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: f397b3ef0807ca0679420810983797c017fb980df61b23ffd002299a2b502bd1
SHA3-384 hash: b58fa564002efb7cec129a5771d6ec1f9ccc480573f4411ec2d353fe0dbca27844a23f743a5ff2e2bf57a69331a668e7
SHA1 hash: 514623663007aea9e85897c50258b0d53a72bc65
MD5 hash: 1760f22da5997ebac77eb7b5c022794e
humanhash: xray-tennessee-fix-timing
File name:Bank Details 0098786yt657655576890.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:547'328 bytes
First seen:2020-05-14 06:25:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:aDl8G3hZdp1SYK1jBsooLMi/bVtCpmoiuFV:SlZdpQY4uocMi/XC/vP
Threatray 10'609 similar samples on MalwareBazaar
TLSH 5AC4C01432AC0769E5B69BF85AA19050DBB17E1A70ADD31D8DD170CF09F1FC0CA96E2B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chunan.com.cn
Sending IP: 45.11.19.32
From: Liu Jia account <liujia@chunan.com.cn>
Subject: RE:Order confirmation 3027838
Attachment: Bank Details 0098786yt657655576890.zip (contains "Bank Details 0098786yt657655576890.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis.8001.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 04:34:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ol3h3yia7fam6kcbaijqn4xyal7xgan6ynsh76qaiuzuk2qfpiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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9913598166664e2c27dd9898fd903ddfa341f12bbaf22dde8fb92a78f9444dfe
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cf7a6cb03e47b5305b50b5d458beebb72b77143a7d03c2fb696b9e2910002e6d
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d3e61ff0f9f172da1ba0f3e59ccdb7ea480a3e9ea6e141d134df6f421ff44cc8
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d9a20b5a29f7c7a81854af1fb1dfe50dc63ec6026d07d271b1d3be30b061ca0f
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f3b33a885af940210f10df7e1c96dc388161961dcb52b6d84c3b7458d20ce116
AgentTesla
+ 10'599 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-zw9n4sx2yx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
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 939077b859b09248545a7961541cfd0c9c014b11786cdd6dbbba786260acf625

AgentTesla

Executable exe f397b3ef0807ca0679420810983797c017fb980df61b23ffd002299a2b502bd1

(this sample)

  
Dropped by
MD5 ed2c141be9bf5acf55cbfa2ba3209ec2
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 939077b859b09248545a7961541cfd0c9c014b11786cdd6dbbba786260acf625

Comments