MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d58a3fea3dec563fd6c1f2d7c159b25d7d161c2b7c298f9b0226953e3ccb4e36. 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: d58a3fea3dec563fd6c1f2d7c159b25d7d161c2b7c298f9b0226953e3ccb4e36
SHA3-384 hash: 0def875adca200d3382a6df17827d2244f04de131a7a187a9831cdf4020a77edcc5749b6762e4c5714025cca650cb790
SHA1 hash: 98fd781134413d6b86c5321e86152a2a524c7e30
MD5 hash: 7703f61f033db10e51eab07ec941b1b1
humanhash: delta-finch-butter-ack
File name:PO.202315...pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:463'872 bytes
First seen:2020-05-12 05:56:09 UTC
Last seen:2020-05-12 07:25:54 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:P6m0lobtqnYo2iyzkb7roTPCeZ4rHbUPQDIcF7E:w2uYlhAoTCc4LbUPCIce
Threatray 10'597 similar samples on MalwareBazaar
TLSH 2DA4F01BB6FCBE0BE75E40FF80906051277493266993F3CA1DE290ED21E17D22662D4B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: onececo.com
Sending IP: 212.114.52.238
From: Wendy <swzhao@onececo.com>
Subject: FW: PO.202315...pdf
Attachment: PO.202315...pdf.zip (contains "PO.202315...pdf.exe")

AgentTesla SMTP exfil server:
vps36800.inmotionhosting.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR.25662.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 02:57:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2wfd72r55rld7vwb6ll4cwnslv6rmhblpquy7gyce2kt4pgljy3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ff96346be4508292ddabc6d9b32fc697b710d5f826e9bb213f7c2f4492d2937
AgentTesla
131d016519d6ec1f5ce66362f5c4c917d4cdf0648242f20272b59a43764c53f0
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3497f186cb8e8ee119f82a97445bb6a6d75a73d480a57c12a864fcb7e8b3b725
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5414cf595330039e37207937b476125e93a19250bb4023b1c4ea6489c4c725ac
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6920173eb3c5031387b852bd2dce1bdce04ed1199b914b72a009fe257d7e6766
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b20c989115553de604a8f7f6bd58ef25920c241e1f5af881008aa4dcb21d79d1
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eed00acb5b2bd676ab5ae74611ed880e6ef40d855d401ce9a938d5700f2b1de1
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f134ea682b658d440872d3bee407f639781cc715e9427942bbf896db8822a112
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f29c7a735adfcc42de35a17646ead9eaf23ae1a0cc99ad468b720d0e3be7dad6
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f982ec93d003591286335c98074fdbe2054d603de5211af961c670f50ac3437d
AgentTesla
+ 10'587 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/201109-3ba8qhl9yj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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 0844c77fb975dd66016a3ce678094610256dc597740a46fce219cafcf5d21435

AgentTesla

Executable exe d58a3fea3dec563fd6c1f2d7c159b25d7d161c2b7c298f9b0226953e3ccb4e36

(this sample)

  
Dropped by
MD5 767dc5889e48e284acc9b53689c8e2ee
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0844c77fb975dd66016a3ce678094610256dc597740a46fce219cafcf5d21435

Comments