MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87aca4fc3253cd41db9b0ec35fd55868bcd30b5962a2c0da2004bf852a5d60a2. 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: 87aca4fc3253cd41db9b0ec35fd55868bcd30b5962a2c0da2004bf852a5d60a2
SHA3-384 hash: 9c74936a32177648b8946d3cc233c08e1031b318074da95ab9d57ac2e74008e0120ff298934b325a873b2c98fea57f45
SHA1 hash: cadbf710b0b803e4b3c0da763c634a2240ecde9c
MD5 hash: 2fa53fd151a9a2178c8025ac2c97d456
humanhash: north-earth-uniform-papa
File name:7_23_2020 SWIFT COPY_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:603'136 bytes
First seen:2020-07-24 06:42:17 UTC
Last seen:2020-07-25 06:47:50 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 12288:7ho6TVsEbaA2iNyvKn312I1gmumWtD+Mkgpdc:7jVspA1o4l286DxE
Threatray 10'654 similar samples on MalwareBazaar
TLSH 19D4CF042AD4164FF5AD3BBAB36318119F79A4151ABAEF0E3EC6D0ED1C3336095427A7
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32023/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/396900
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 250629 Sample: 7_23_2020 SWIFT COPY_PDF.exe Startdate: 24/07/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 8 other signatures 2->41 7 7_23_2020 SWIFT COPY_PDF.exe 5 2->7         started        process3 file4 23 C:\Users\user\AppData\...behaviorgraphczIPipijxtO.exe, PE32 7->23 dropped 25 C:\Users\...behaviorgraphczIPipijxtO.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpC65F.tmp, XML 7->27 dropped 29 C:\Users\...\7_23_2020 SWIFT COPY_PDF.exe.log, ASCII 7->29 dropped 43 Injects a PE file into a foreign processes 7->43 11 7_23_2020 SWIFT COPY_PDF.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 7_23_2020 SWIFT COPY_PDF.exe 7->17         started        19 7_23_2020 SWIFT COPY_PDF.exe 7->19         started        signatures5 process6 dnsIp7 31 smtp.yandex.ru 77.88.21.158, 49734, 587 YANDEXRU Russian Federation 11->31 33 smtp.yandex.com 11->33 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 21 conhost.exe 15->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/87aca4fc3253cd41db9b0ec35fd55868bcd30b5962a2c0da2004bf852a5d60a2/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-24 03:20:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6wkj7bskpgudw43b3bv7vkync6ngc2zmkrmbwraas7ykks5mcra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a18c873be684866e0cd0493c18d7c6a37d5842217ef411ae92b0f47232288c06
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d2b2c311da183d92a228d5bf6f5e108c6b01af4c2cd890a9aa71f6ad2353cc1c
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e06a362a13aefe9b5e7183c1fca36e444270696e152b8db99148967f9dd9f349
AgentTesla
+ 10'644 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200724-t5f2gnnvva/
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/87aca4fc3253cd41db9b0ec35fd55868bcd30b5962a2c0da2004bf852a5d60a2

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

gz 6591c88fe9958cc50d38ac4a72cdeeaa0e772700a201305f62194f1b2dcfb4f0

AgentTesla

Executable exe 87aca4fc3253cd41db9b0ec35fd55868bcd30b5962a2c0da2004bf852a5d60a2

(this sample)

  
Dropped by
MD5 ed307caa4f6297d2373e98c636b254c5
  
Dropped by
SHA256 6591c88fe9958cc50d38ac4a72cdeeaa0e772700a201305f62194f1b2dcfb4f0
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/32023/

Comments