MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8058646126cba81bea297815cbe34b709b852b5c2b134114c67a7e7c8939045d. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8058646126cba81bea297815cbe34b709b852b5c2b134114c67a7e7c8939045d
SHA3-384 hash: a52525739763757f9ec375423542950acf1f6df1c52937d9268ba81afe0b2ab125e61a95cc5a4cbfa802b3628507afc4
SHA1 hash: 38b964511e8339c559415ce22c624c34c2fb1ca2
MD5 hash: 9211c6ec543dc90e489152c741c94a98
humanhash: march-rugby-alpha-grey
File name:ewininilogs.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:955'392 bytes
First seen:2020-08-03 18:08:31 UTC
Last seen:2020-08-03 22:28:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:U76UOpNP9xfyfTnisv3/yW8dAm54+NM3DfcYpg9E6+wvp6CzuI+:0TOjk//8dMuM3LJg9E6+wvp6
Threatray 10'689 similar samples on MalwareBazaar
TLSH 81158A2C36AF0915F76A1A795C3245039BF0EF4B58E6AF5F22E074A904F77A49840F72
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Inject3.46680.24234.32011.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408358
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256414 Sample: ewininilogs.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 32 Yara detected AgentTesla 2->32 34 Yara detected AntiVM_3 2->34 36 Machine Learning detection for sample 2->36 38 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->38 6 ewininilogs.exe 3 2->6         started        10 nVTlJn.exe 3 2->10         started        12 nVTlJn.exe 2 2->12         started        process3 file4 26 C:\Users\user\AppData\...\ewininilogs.exe.log, ASCII 6->26 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->42 44 Injects a PE file into a foreign processes 6->44 14 ewininilogs.exe 2 5 6->14         started        18 ewininilogs.exe 6->18         started        20 ewininilogs.exe 6->20         started        46 Machine Learning detection for dropped file 10->46 22 nVTlJn.exe 2 10->22         started        24 nVTlJn.exe 12->24         started        signatures5 process6 file7 28 C:\Users\user\AppData\Roaming\...\nVTlJn.exe, PE32 14->28 dropped 30 C:\Users\user\...\nVTlJn.exe:Zone.Identifier, ASCII 14->30 dropped 48 Moves itself to temp directory 14->48 50 Tries to steal Mail credentials (via file access) 14->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->52 54 Tries to harvest and steal browser information (history, passwords, etc) 22->54 56 Installs a global keyboard hook 22->56 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8058646126cba81bea297815cbe34b709b852b5c2b134114c67a7e7c8939045d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 18:08:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
33 of 48 (68.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qbmgiyjgzoubx2rjpak4xy2locnykk24fmjucfggpj7hzcjzaroq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a540201f44f378a2bcade1e6190cd5784ae7cc0bc0f1138436afeb7b10ef7050
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d1176c3c4ab396d3bad7dd15c881fdb4e38922e9f7e539dc1035768f366edcf9
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e0b95a4255056cbad985d2d8e2ef1ab22720b758af99bd8d15a5d2d81d650fff
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f155dd64a514c9ea5ffc36222d1c66c8daf6416945dbc8e8dd7a5b2cefae02d3
AgentTesla
+ 10'679 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200803-9n94fhxprx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
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.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/8058646126cba81bea297815cbe34b709b852b5c2b134114c67a7e7c8939045d

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/38052/
  
URLhaus
https://urlhaus.abuse.ch/url/423907/

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