MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28389362e55f86df21dd5220337ac35d89b955ae688950de5389a76c75561620. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28389362e55f86df21dd5220337ac35d89b955ae688950de5389a76c75561620
SHA3-384 hash: be79a9105e3335d7558e34b0fcd509bb28049f722f89f145d71885e5ee4eb9b110ddb5bcc9b9278c1cf96fc784a4a111
SHA1 hash: c3557d1db593c9c4568389a2efdce85ae0d6965e
MD5 hash: 036da992cc08012e717eb8ad653c43bb
humanhash: alanine-happy-one-alpha
File name:SCAN SWIFT TT_679388 190617_2019-NLCIV000003576_ES146009_3030679.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:803'840 bytes
First seen:2020-07-21 06:36:10 UTC
Last seen:2020-07-21 19:11:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:WjD9fx7oqF/UEJ3my99AbznAmDc15XnZEY5:WjD9ho9EQa6AmQ15X
Threatray 10'755 similar samples on MalwareBazaar
TLSH 1F056B2D3A8ABCD5D43E0A7544B855D067B0F04B3A61CB0F29CA17589F436AB3F1B49E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.sunflowerpack.ga
Sending IP: 192.241.166.174
From: VKfinance <info@sunflowerpack.ga>
Subject: AW: Swift
Attachment: SCAN SWIFT TT_679388 190617_2019-NLCIV000003576_ES146009_3030679.xz (contains "SCAN SWIFT TT_679388 190617_2019-NLCIV000003576_ES146009_3030679.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29714/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28389362e55f86df21dd5220337ac35d89b955ae688950de5389a76c75561620/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 03:07:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fa4jgyxfl6dn6io5kiqdg6wdlwe3svnoncevbxstrgtwy5kwcyqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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22dcf97ec111b708369a785ba32a1d8767e6be002919072c04ddae954fb3fe26
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545e7d34943eb13bd1f648178d6a19fc0cab40faf00e15a8273e3617d2a1f1f2
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d0d72f8088ae83affe52e64d31ef8787b12bf31fc38a1b72b278b891be6e2d6c
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f58363f865048e85056700e2cc3f38fdf9aaaace5e2b738556a6e75e6dfba86c
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f8f1bcd54f6ab43dd4c3c0a8b5c516577e78c2434befe6d338d6945421c73a43
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fa24e9a733aeaa416ab67d027251e33459cad727d3357d44c91c251d03282fa0
AgentTesla
+ 10'745 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200721-8vdw3fk27j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Loads dropped DLL
Reads data files stored by FTP clients
Executes dropped EXE
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/28389362e55f86df21dd5220337ac35d89b955ae688950de5389a76c75561620

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

zip c304539aaae455f54a6a9530348770af4b9f2edddf24ff6bd4a899e456786088

AgentTesla

Executable exe 28389362e55f86df21dd5220337ac35d89b955ae688950de5389a76c75561620

(this sample)

  
Dropped by
MD5 cdc081ab06f0177c96480921c0cfe4c2
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29714/
  
Dropped by
SHA256 c304539aaae455f54a6a9530348770af4b9f2edddf24ff6bd4a899e456786088

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