MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88b855230b87d175f2d18abc165aeabc52e8f2952ac09d2db7e0f4d012f3ec43. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 88b855230b87d175f2d18abc165aeabc52e8f2952ac09d2db7e0f4d012f3ec43
SHA3-384 hash: c6d828818cb43ae92186e61c8234e8364d4a8ae7aed98f45b83ebc3dcbaa84a964441df4a31976d6ef49486a11c28657
SHA1 hash: c258783242a75f34c6fdf39b5b877d00a77bef50
MD5 hash: d3e658b177c856dbf4b18f367a6cb272
humanhash: jupiter-avocado-may-eleven
File name:Please Confirm Your Shipment Address.0001.exe
Download: download sample
Signature AgentTesla
File size:4'829'696 bytes
First seen:2020-07-17 21:35:49 UTC
Last seen:2020-07-17 21:49:40 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 98304:UdH5FJ8MvqYZtQPcOOWRGhj3vZItVhQxHW1feaHxcjL:UHfTS1dRDQJYJHKL
Threatray 10'586 similar samples on MalwareBazaar
TLSH DA26123D25869A14DA3F0D79C8BC35D962B075473A21CB0EBACE077C5F8638B7B0615A
Reporter Racco42
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Connection attempt to an infection source
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
66 / 100
Signature
Creates an autostart registry key pointing to binary in C:\Windows
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246803 Sample: Please Confirm Your Shipmen... Startdate: 19/07/2020 Architecture: WINDOWS Score: 66 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected AgentTesla 2->34 36 Sigma detected: Add file from suspicious location to autostart registry 2->36 38 2 other signatures 2->38 7 Please Confirm Your Shipment Address.0001.exe 5 2->7         started        10 pcalua.exe 1 1 2->10         started        12 pcalua.exe 1 2->12         started        process3 file4 24 C:\Users\user\AppData\Roaming\Caudio1.exe, PE32 7->24 dropped 26 C:\Users\user\...\Caudio1.exe:Zone.Identifier, ASCII 7->26 dropped 28 Please Confirm You...ddress.0001.exe.log, ASCII 7->28 dropped 30 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->30 dropped 14 Caudio1.exe 7->14         started        17 cmd.exe 1 7->17         started        process5 signatures6 42 Multi AV Scanner detection for dropped file 14->42 44 Machine Learning detection for dropped file 14->44 19 reg.exe 1 1 17->19         started        22 conhost.exe 17->22         started        process7 signatures8 40 Creates an autostart registry key pointing to binary in C:\Windows 19->40
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-17 02:14:45 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 88b855230b87d175f2d18abc165aeabc52e8f2952ac09d2db7e0f4d012f3ec43

(this sample)

  
Delivery method
Distributed via e-mail attachment

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