MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a3cc5b8ceaffa6473613934515d9f5b96668a952f4103d177593b9041c650c8. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a3cc5b8ceaffa6473613934515d9f5b96668a952f4103d177593b9041c650c8
SHA3-384 hash: a77413d42b91149cf80986e5d0a226cdd935b043e8e6aa4b1caac8d0d2ea8ce20640b01d8c5ecce4745b5beb725fe3dd
SHA1 hash: 6f70733c1d6cd98a4eb07b83926eabd9bf5f8b68
MD5 hash: ed8fbce4251f14a07aa286ef91905814
humanhash: white-sweet-georgia-nevada
File name:Payment receipt.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:614'912 bytes
First seen:2020-06-23 05:49:27 UTC
Last seen:2020-06-23 07:01:28 UTC
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:IcolqPU8PSYtEe4cDMXANmc6TD7obnaWlHZcP:wq80SaHNeD7obnaWl2
Threatray 10'795 similar samples on MalwareBazaar
TLSH 44D43B2E3680B90ED13D493244DD6D94A771A5876703C30F7AC79BACAF1168F7F0629A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/12804/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.6911.27368.UNOFFICIAL
Create hunting rule

Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a3cc5b8ceaffa6473613934515d9f5b96668a952f4103d177593b9041c650c8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-23 05:51:03 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ji6mlogov75gi43bhe2fcxm7lolgncuvf5aqhulxle5zaqogkdea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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52d7bfc971d3f5909eed410680570736d02dc79f93b42e1627a78597205ef862
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5bce10125f245dab9ac4ef1c0dece6313b43512e721f70f7c4846ebb23b1cdbf
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6b24da236543d38133dc41cadcf3dea51bc290479b3d669031a2c8668a620648
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7a318843897566dc4f8db9db7d7d0d8c3a8a69d4de0ac7d59fe33b897fdd0b31
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88bf10febaff7f0d1590f50c4edecdd593fec5fae1bfd72996a53d39a93aa97f
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a2a8e595abb9d14bf0a84f49b0f81725925b19f14f0b06da5ab01b6eb4b9e7e9
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a8f1b181c37984cf41eb816ec9375d0ef94a5d6dd17f846612b9c95f4129bdc4
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d9f4c10febc99ea723d7f3f13d92be6bd54fc18eab233e5b28c5bcff0f3c1e1e
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eeac5a93cbddf4199153c4a54460b5c618c097814be44e5c2b57ad4255c8546e
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+ 10'785 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200624-eebat5wg42/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Executes dropped EXE
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

Executable exe 4a3cc5b8ceaffa6473613934515d9f5b96668a952f4103d177593b9041c650c8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/12804/

Comments