MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57c1873ebd6818c6fb4425f51ca1a2450bf4da0dc4a3269e637dfe1ea13dc42a. 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: 57c1873ebd6818c6fb4425f51ca1a2450bf4da0dc4a3269e637dfe1ea13dc42a
SHA3-384 hash: 7e2885d4946c176da4cd79882430a0bec12188f0bb2610fc4991c820a4ebc20a7ebbcea0bfd0cec0146bc6230ace45fc
SHA1 hash: 01270d77e8b7bfa61963e84e4e1340eb5946f6f1
MD5 hash: 1476ce63f946c85745c3c03723252ef0
humanhash: ceiling-double-winter-mirror
File name:SC4305132020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:433'152 bytes
First seen:2020-05-13 06:10:38 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:LczBwAPaiNyULPg3M4t2uNnS9u1+wlBO/JynL6:IzBFsULPx4t2gSxwlBQJyL6
Threatray 11'392 similar samples on MalwareBazaar
TLSH 3194122D2769283FCBEE19F9D140221983B474D626E1F7C6DCD2ADEA12C27D1CA13917
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: qproxy2.mail.unifiedlayer.com
Sending IP: 69.89.16.161
From: Michelle Schonne <sales@conen.com>
Reply-To: saIes@conen.com
Subject: Re: Subsequent Order
Attachment: SC4305132020.zip (contains "SC4305132020.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR.11371.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 00:28:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7ayopv5nammn62eex2rzinciuf7jwqnysrsnhtdpx7b5ij5yqva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1a7e38319cb2a9a43f874fc3a6b2f4afcacc84386284982c61b2effaa318fd1d
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6ca161c6cef800476badba7845b230cb377e09e4da7a6111503eb2f5c45bd3a1
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733b9a08b05ec70c7ac0d28dd9b9e832c85e668342fffe880e0e2ab5222de082
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927ea99a59336bb821aa9062c686d43e3022224f56c6f34338218ddc6e165cfb
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d50395ef9eff3dbaf836d41028e7231cecd43d80880592f2668e0be8cab5b06d
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f46eb5d20d51de55a8eb0bcf2c0426a5bdd7305d247dafa9cc5e42c0149a8dd0
AgentTesla
+ 11'382 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-7tq6ph81ss/
Behaviour
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
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 287b960d3db25c42d2340efd154346bc7aaa18e8ee4aadcdd0813d46eb6ea565

AgentTesla

Executable exe 57c1873ebd6818c6fb4425f51ca1a2450bf4da0dc4a3269e637dfe1ea13dc42a

(this sample)

  
Dropped by
MD5 d863a43a7aaf50dbbd8a611a45447734
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 287b960d3db25c42d2340efd154346bc7aaa18e8ee4aadcdd0813d46eb6ea565

Comments