MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 481fe9b310d02dfed2c5d650e64b63bab9021d9c8ece0b90f9a0d474ce6d64e8. 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: 481fe9b310d02dfed2c5d650e64b63bab9021d9c8ece0b90f9a0d474ce6d64e8
SHA3-384 hash: aceef61b92a79dfe625fe6026db87c836682dd685334f009599cce0933d3b7df60f08b6c09dec0b24cff3fbd2dadb57b
SHA1 hash: a48f4b75b5890d702d30f1f09126e5536edb9def
MD5 hash: 67ff8238044496d3fcd0b57fc43720d9
humanhash: california-uncle-triple-summer
File name:KOGAN AUSTRILIA LTD - Products Requirements.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:612'352 bytes
First seen:2020-05-13 06:10:08 UTC
Last seen:Never
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:jnfGbkM+LxKXxOlj0m8Oej0ZP2HMFzDM7qkIJa9796tYLmt/:Lek7xKX+H1NZP2HMFzDMmkWm7YtcQ/
Threatray 11'355 similar samples on MalwareBazaar
TLSH CED4AD3BE7F462DBC8264A30173263206FF94D60DE96DF47D7A486811B29FCA0970697
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cpb2.medionline.cl
Sending IP: 45.55.49.33
From: Kogan for Business <commercial@kogan.com.au>
Reply-To: KOGAN HK LIMITED <konga.australia@aol.com>
Subject: Kogan Australia - Supply Enquiry
Attachment: KOGAN AUSTRILIA LTD - Products Requirements.zip (contains "KOGAN AUSTRILIA LTD - Products Requirements.exe")

AgentTesla SMTP exfil server:
premium101.web-hosting.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR.28515.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 02:41:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jap6tmyq2aw75uwf2zioms3dxk4qehm4r3haxehzudkhjttnmtua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ba6c27eedbe9c1152f8232f685600ec69ad11ada7b6e82db997e08d89a1b0385
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e33e7df590b962e8806a1a543ab6a8f7419e6b7d307f6ec25572cdc56b52217d
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e70a32319ddb990bd412b11fc12e09e00105104fbd576e5e0f9c40445f910ae4
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eed00acb5b2bd676ab5ae74611ed880e6ef40d855d401ce9a938d5700f2b1de1
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f29c7a735adfcc42de35a17646ead9eaf23ae1a0cc99ad468b720d0e3be7dad6
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AgentTesla
+ 11'345 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-p8jnrjj45n/
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 021167d25d1da6b03b476459604811deb5af5b77c69ba6238b67f85d92f0db4a

AgentTesla

Executable exe 481fe9b310d02dfed2c5d650e64b63bab9021d9c8ece0b90f9a0d474ce6d64e8

(this sample)

  
Dropped by
MD5 f38ffab3cb06c2dc1f5a6246d417e198
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 021167d25d1da6b03b476459604811deb5af5b77c69ba6238b67f85d92f0db4a

Comments