MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39cd1a914f603bf76cfcf07aa65a0395901b42124c9da3ce3ef61b5b71982dc1. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39cd1a914f603bf76cfcf07aa65a0395901b42124c9da3ce3ef61b5b71982dc1
SHA3-384 hash: 4460293710306fc10f514484df1bf8bb8152608bf5749ae4d4881cd19c7e9af237474f4e434e68b4793fd5273a8774fc
SHA1 hash: 6beb2027e47988f83dbdf87a2650860991935cfa
MD5 hash: a67709233bc437e92837efa08066e9ec
humanhash: nineteen-kentucky-island-mississippi
File name:Scan0287393 pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:689'152 bytes
First seen:2020-05-28 05:27:38 UTC
Last seen:2020-05-28 07:09:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1wpZ+akOpAUkJc5Tmf1Q5CLND6dHmucJZLHcQj1BdRZNNRZIvulykyb7ga3:SpZ+aDpAUkeTmfQkB6dGJJZDcQZIv6jq
Threatray 10'660 similar samples on MalwareBazaar
TLSH B1E4121C77BFDF05C6AE58BA266006AE5433EE0701E2D77B38CD63D609633EA51416CA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: als.sparkmail.jp
Sending IP: 202.233.10.33
From: juergen.schmidt@dfmarketing.de
Subject: Inquiry from D & F Marketing GmbH
Attachment: Scan0287393 pdf.rar (contains "Scan0287393 pdf.exe")

AgentTesla SMTP exfil server:
mail.sa-ici.com:26

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 05:05:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 48 (62.50%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a527ef285e43baaea32892e0a5cb56b7cbacad289e91aec9d31be07618f28e53
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ad7db1393e62d89dcb0039aa5ba64a897e88d3f6b76d146ccf419e952e57c317
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dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
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f33188a4e793d7f27b2c649730162700bda0259988ee59262ca2be5a87527f83
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AgentTesla
+ 10'650 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-r1lzjr6ypx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Modifies WinLogon for persistence
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

rar ddd5136281f14912a5f250faa8da547aded88d5720e1d69f8149eb9708132312

AgentTesla

Executable exe 39cd1a914f603bf76cfcf07aa65a0395901b42124c9da3ce3ef61b5b71982dc1

(this sample)

  
Dropped by
MD5 89a7d5fd21cf852453a606dface156f0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ddd5136281f14912a5f250faa8da547aded88d5720e1d69f8149eb9708132312

Comments