MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 738fa29b4302facc7e2c853981db6bdbb234bc697cf44df67748628ebac96ae4. 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: 738fa29b4302facc7e2c853981db6bdbb234bc697cf44df67748628ebac96ae4
SHA3-384 hash: 05a4f147df2f31885c196ef5116bd095285c3a019b496a6c10ef6caa0bad89d5be8f100302dcba99ecc0afa511bffe7c
SHA1 hash: 9238ef27d88e679b5d3a2e4ac3147072e0745b5f
MD5 hash: 3a1e7f54aef6efa1bc4eafded1d71c6f
humanhash: potato-alpha-hydrogen-cup
File name:01_extracted.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:878'080 bytes
First seen:2021-09-21 13:36:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:bGbJbQqfy+uwqMSXv2ll7xU9ACjMA086Q:GyvrbIxD7A08v
Threatray 10'084 similar samples on MalwareBazaar
TLSH T1DF157A394D2782F787EEC66CD08C1BCEDE66A4837B919F1AC492D7D2025B70BE49845C
Reporter Racco42
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
01_extracted.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-21 13:39:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a42e5999-76d1-4e14-bfbf-8cd41c51d1bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/189890/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1037-1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53f43402-cb94-435c-8bfb-8c05161356dd
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854926
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped file
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 487357 Sample: 01_extracted.exe Startdate: 21/09/2021 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Yara detected AgentTesla 2->30 32 .NET source code contains potential unpacker 2->32 34 Machine Learning detection for sample 2->34 6 01_extracted.exe 3 2->6         started        10 jNnIJrO.exe 3 2->10         started        12 jNnIJrO.exe 2 2->12         started        process3 file4 22 C:\Users\user\...\01_extracted.exe.log, ASCII 6->22 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->38 40 Injects a PE file into a foreign processes 6->40 14 01_extracted.exe 2 5 6->14         started        42 Multi AV Scanner detection for dropped file 10->42 44 Machine Learning detection for dropped file 10->44 18 jNnIJrO.exe 2 10->18         started        20 jNnIJrO.exe 10->20         started        signatures5 process6 file7 24 C:\Users\user\AppData\Roaming\...\jNnIJrO.exe, PE32 14->24 dropped 26 C:\Users\user\...\jNnIJrO.exe:Zone.Identifier, ASCII 14->26 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->46 48 Moves itself to temp directory 14->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->50 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/738fa29b4302facc7e2c853981db6bdbb234bc697cf44df67748628ebac96ae4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-21 13:37:07 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
4fa37c31a5207940aa9e0d00fc393f91532e6da3a7dcabba9ab902e33a14afbe
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5d24df3c88ad84a4c77b90835ce3430c228705a9ad590f19388367d5478d4176
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877a10d92f5b06000711b96af3b0705ff13494b7eb38804adcf3f207457cf51a
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9d393dc3fda68914e201012280b9eed4fd76c0dd077817c83c9e05cdf5d3cab8
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f5906e5cdda667a457fdd6e0d159fd418c925c910ad4da9624ed95913806b040
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f82e7241cf49759096f5d3a02c2a516462eabaf07133ec61d61ad1496ae8bd66
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fad59266b34827f994eba36a030a5abd4c552c3132801afec5fe74c787e10044
AgentTesla
+ 10'074 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/210921-qwtttahfe3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
AgentTesla
Unpacked files
SH256 hash:
527565b3544683b23dce36efc7256204500197b433b730b47685d8dfe69bb6df
MD5 hash:
958debb0892834693b045bd5e261b303
SHA1 hash:
6fa97bb2c438c4ab390764b197e6253f4e4e6942
Link:
https://www.unpac.me/results/4f43dab7-4749-4148-b17e-02e1edd48d24/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/4f43dab7-4749-4148-b17e-02e1edd48d24/
SH256 hash:
fa6da3e9374c0542fb9724a65468ca19df79a76390af845376b966366a5ddb39
MD5 hash:
03760b502016fd8746b7441a482c4089
SHA1 hash:
1d02c1741fb7e27602aa51e852944269b1600441
Link:
https://www.unpac.me/results/4f43dab7-4749-4148-b17e-02e1edd48d24/
SH256 hash:
738fa29b4302facc7e2c853981db6bdbb234bc697cf44df67748628ebac96ae4
MD5 hash:
3a1e7f54aef6efa1bc4eafded1d71c6f
SHA1 hash:
9238ef27d88e679b5d3a2e4ac3147072e0745b5f
Link:
https://www.unpac.me/results/4f43dab7-4749-4148-b17e-02e1edd48d24/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/738fa29b4302facc7e2c853981db6bdbb234bc697cf44df67748628ebac96ae4

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/189890/

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