MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 645cbbca08307fe68c67b567bb2dcd7852bce6c817af0cf5286561d0cc161a27. 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: 645cbbca08307fe68c67b567bb2dcd7852bce6c817af0cf5286561d0cc161a27
SHA3-384 hash: 5684b0b621986e4cacee1af64125e0fcca607e2ccd3c7a8286f6ed039ef4ee1b5765f74f49e7e45e88a70b0f62e2619d
SHA1 hash: f29f5fbc0be56d7584af0635aa812c7e91df4c89
MD5 hash: 9be830f1d384763e3f2e9694d285ccdb
humanhash: uranus-bravo-maine-bulldog
File name:payment-doc-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:412'160 bytes
First seen:2020-06-12 06:43:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:HObPakT/bsv/cjIYX0dQGqSFVn3/izdczay+P3U2E/VdYxx:4akTTsv/csi0doSLn3azyzaP3j
Threatray 10'604 similar samples on MalwareBazaar
TLSH 1F94F18D3B44B1EEC96BC971DC645D60EE20757B630BD316A0AB12ADAD4D9A3CF204F1
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ext42.host.am
Sending IP: 213.136.82.91
From: parasat@kalam.kz
Reply-To: parasat@kalam.kz
Subject: COPY OUTGOING PAYMENT - MT103 / CBC-DEBIT ADVICE-EMAIL
Attachment: payment-doc-pdf.zip (contains "payment-doc-pdf.exe")

AgentTesla C2:
http://lucasacc.com/office001/webpanel/inc/3331f6ffacdb1f.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9107/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.8252.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 06:45:08 UTC
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrolxsqigb76nddhwvt3wlonpbjlzzwic6xqz5jimvq5btawditq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a277468b8a14335e49ae80b115b7401d527f801ee9ce61302c12640670fa7fc9
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b04d6c5e4e1759d306dbec63b416be318058ff1698e8ff4b022bad89c7636e29
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bd8702a0da9bfee55b775c1762d7ea6dbda8ad845abc4bc278fcb49ab6f2658f
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c39e2b3f4f334b7ea4ab71f852bfc9d6e51bb750b0a9a4dd9edaea5280b6823b
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def3a384fb2c2fbe147039cfd377cce023c19c317461a912cc084518cd23be33
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f1542701299aa44f2329dde6c86e571ebd11566aec5700ae5dd48c283d7ef6ac
AgentTesla
+ 10'594 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-3agrz6y6ns/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
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 b62f94dec239123f29196798d750f1edbfd09d7cdb21c986090991e7fec4ae50

AgentTesla

Executable exe 645cbbca08307fe68c67b567bb2dcd7852bce6c817af0cf5286561d0cc161a27

(this sample)

  
Dropped by
MD5 bf855a37ee0c96138e19272a8f0dfff3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b62f94dec239123f29196798d750f1edbfd09d7cdb21c986090991e7fec4ae50
Cape
Cape
https://www.capesandbox.com/analysis/9107/

Comments