MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f4e496ac1663d032c60be512df631de975531f5897bbe9e60f2660c844031ef. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f4e496ac1663d032c60be512df631de975531f5897bbe9e60f2660c844031ef
SHA3-384 hash: 89b799c7cb23ef0c26e66e1ffe7299bee51b98ea5bdfbafb60456c7965e7acdb9b9b9d1f71f8c83015dacb28e026e57a
SHA1 hash: 2bb0c846d5378f6863573c6aabcbc175e868ea18
MD5 hash: f133559d2608409694d4da0153db0d3b
humanhash: robin-nebraska-steak-twelve
File name:Original Shipping Documents doc03602856.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:441'856 bytes
First seen:2020-07-19 09:42:40 UTC
Last seen:2020-07-19 11:11:27 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:ZyEzwlG2gbDaxch63s9wxm3lzY6z0sK+s:YEmG2nuqxcz+
Threatray 10'601 similar samples on MalwareBazaar
TLSH 5E94014876B8776FC4ABE7B18E645C20A731347B6617D3169C8360EF496DF82CA107A3
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27772/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.380.5129.28151.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389697
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247022 Sample: Original Shipping Documents... Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 7 other signatures 2->67 8 Original Shipping Documents doc03602856.exe 5 2->8         started        11 NLKaAn.exe 2->11         started        13 NLKaAn.exe 1 2->13         started        process3 file4 49 C:\Users\user\AppData\...\WIXfzuLNWhEQkG.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\tmp4BB1.tmp, XML 8->51 dropped 53 Original Shipping ...doc03602856.exe.log, ASCII 8->53 dropped 16 Original Shipping Documents doc03602856.exe 3 5 8->16         started        21 schtasks.exe 1 8->21         started        23 NLKaAn.exe 11->23         started        25 NLKaAn.exe 11->25         started        27 NLKaAn.exe 11->27         started        83 Multi AV Scanner detection for dropped file 13->83 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->85 87 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->87 29 NLKaAn.exe 2 13->29         started        signatures5 process6 dnsIp7 55 smtp.yandex.ru 77.88.21.158, 49733, 49737, 587 YANDEXRU Russian Federation 16->55 57 smtp.yandex.com 16->57 43 C:\Users\user\AppData\Roaming\...43LKaAn.exe, PE32 16->43 dropped 45 C:\Windows\System32\drivers\etc\hosts, ASCII 16->45 dropped 47 C:\Users\user\...47LKaAn.exe:Zone.Identifier, ASCII 16->47 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->69 71 Moves itself to temp directory 16->71 73 Tries to steal Mail credentials (via file access) 16->73 81 2 other signatures 16->81 31 reg.exe 16->31         started        33 conhost.exe 21->33         started        59 smtp.yandex.com 23->59 75 Tries to harvest and steal ftp login credentials 23->75 77 Tries to harvest and steal browser information (history, passwords, etc) 23->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->79 35 reg.exe 23->35         started        37 WerFault.exe 23->37         started        file8 signatures9 process10 process11 39 conhost.exe 31->39         started        41 conhost.exe 35->41         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f4e496ac1663d032c60be512df631de975531f5897bbe9e60f2660c844031ef/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 12:14:40 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5hes2wbmy6qgldaxzis35rr32lvkmpvrf535hta6jtazbcaghxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8d9b4ac8385e86b7a40756c1c3d5cb1a7e84cffbb43e242438f8e60ec48e092b
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caf1d4f374de0479bc4ca6caa289cfc35720779080a2957aab92ba4fc1602e6c
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cd9532fea4c331fed21dd929be9a963c50662e545e38a63fcae56cf13199fead
AgentTesla
de638d68163fe7f49b3371adbe9456b2c2ed2ef5182324e768dc42793591c7de
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f3772703fb8a5efb3388b9c184af6bf1dcb8f3a41307c1da615612dbd07855f7
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f81ffe76cfa1447a52ab6613c83933a5040b49221bb16c5a86ba416b3026240b
AgentTesla
+ 10'591 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200719-nya8qvgk7e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies registry key
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4f4e496ac1663d032c60be512df631de975531f5897bbe9e60f2660c844031ef

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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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

Executable exe 4f4e496ac1663d032c60be512df631de975531f5897bbe9e60f2660c844031ef

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/27772/

Comments