MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f21d472a74c33a35138111341a52a7dd85dc6131c788fa79dfc17537626dc12b. 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: f21d472a74c33a35138111341a52a7dd85dc6131c788fa79dfc17537626dc12b
SHA3-384 hash: b47df53b184c60fd4a09b203b529a2dc7981afd1cac0fa25144df90f81908a1dd85fcf11923e4f219f55c10e22704da9
SHA1 hash: 95f329022a882bfbbc36717bd9b324aed0513dc2
MD5 hash: f31de3ccbfeaab2d3c5444864a3751d0
humanhash: edward-maryland-sierra-river
File name:PO 8433,.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:486'912 bytes
First seen:2020-05-13 16:24:06 UTC
Last seen:2020-05-13 17:06:57 UTC
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:T3taORhPVcmcjwNRkwfJptUO76UJ4roU7h7AN3gB+M9eZaPRsXvo0AKqgqV:T3kOTKUYAC9UAoShsKB+ML/
Threatray 10'971 similar samples on MalwareBazaar
TLSH 4CA4BFAC312579EFC86BC476CE652C24EA603077534B9243856761EDAA0DAD7CF284F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: nasstoys.com
Sending IP: 103.99.1.173
From: Ellen Holt <ellen@nasstoys.com>
Subject: RE: Nasstoys PO 8433
Attachment: PO 8433,.zip (contains "PO 8433,.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ArtemisF31DE3CCBFEA.17923.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 15:13:00 UTC
File Type:
PE (.Net Exe)
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6iouoktuym5dke4bce2buuvh3wc5yyjry6epu6o7yf2toytnyevq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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18bc1bb7ff629d8aa9646875c02636074f4039b39f48273ff97fe7c12f401e00
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8e25b6df9458100758e0656d3529e0edf64e4bab339e7be71145304477ed9bbf
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cdad1c467cfe5f914801c1156a92b6c23baf8abf4681a098f0bb550c890d874d
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d146eb20c0c3745f4e74267f468a4fc870c1639b48bdd634d10f82856e7b59e9
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e8832bdaa159f1e5a0f7e4ce323c8a302c0db9cd7eb6ba0434fee843d7333129
AgentTesla
+ 10'961 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-xlry5bs29s/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
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
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
CoreEntity .NET Packer
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

zip dba1c6f4dd89c52525317f5f5579a08272ce31acc5be21d8309b2712cb6d5f34

AgentTesla

Executable exe f21d472a74c33a35138111341a52a7dd85dc6131c788fa79dfc17537626dc12b

(this sample)

  
Dropped by
MD5 d9d6d06889b9aa9639c9718578c108a3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 dba1c6f4dd89c52525317f5f5579a08272ce31acc5be21d8309b2712cb6d5f34

Comments