MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 921c7a4ec72f857913362b7cd75300e57ae805dba29c8ac0e62806295dfa60ce. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 921c7a4ec72f857913362b7cd75300e57ae805dba29c8ac0e62806295dfa60ce
SHA3-384 hash: 1de267a3cd7672e106581c608ba3bc98c646fac808f21035c0dec4ccb2e7f04dd31b6ba5d2dfbcf421e177f9ebef7efc
SHA1 hash: 66e1c012ac8ce53e3cb25debc75eeadcfd26d45a
MD5 hash: 93acf64e4e9895ba3b94b976af3b41ac
humanhash: pennsylvania-beer-east-uranus
File name:aKDzIJRX7hjOy0J.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:433'664 bytes
First seen:2020-07-10 07:32:28 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:QC9aPbWanPD1lFL7NLki/lYkMWe81AsXgsnx:Q/hpTLJLz48N
Threatray 10'650 similar samples on MalwareBazaar
TLSH 5194F10976A4B76FC8ABC7F69EA01C10977034BB4627C2165C4321DF599DB82CF60BA7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vsnl.com
Sending IP: 103.207.38.151
From: eddycranes@vsnl.com
Subject: RE:BANK DETAIL
Attachment: Bank Detail.zip (contains "aKDzIJRX7hjOy0J.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24287/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/921c7a4ec72f857913362b7cd75300e57ae805dba29c8ac0e62806295dfa60ce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 02:40:50 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=siohutwhf6cxsezwfn6nouya4v5oqbo3ukoivqhgfadcsxp2mdha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3
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cd9532fea4c331fed21dd929be9a963c50662e545e38a63fcae56cf13199fead
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cddaba87c23bccb7f35195a872cbb5d719ec7fdc25c75743d63dcd416f2d0287
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d6fb73252e37f4b2e507e97ddd633c789f7f947ee48b1e564330f4c1529eefb5
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AgentTesla
+ 10'640 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Link:
https://tria.ge/reports/200710-78yt6m4lta/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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 8aba10e723233f9feddf6ec1f2a861371928889db2e1dd048c52772d324c6001

AgentTesla

Executable exe 921c7a4ec72f857913362b7cd75300e57ae805dba29c8ac0e62806295dfa60ce

(this sample)

  
Dropped by
MD5 742f303486c3d8886a2dd2b8cdea93c1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24287/
  
Dropped by
SHA256 8aba10e723233f9feddf6ec1f2a861371928889db2e1dd048c52772d324c6001

Comments