MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be90335c4096906dba92f3f53fa540505ebcd8b1d08ff16ad89542cf2e170d4e. 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: be90335c4096906dba92f3f53fa540505ebcd8b1d08ff16ad89542cf2e170d4e
SHA3-384 hash: a1694786af9c35b73516969256cc4b9bacc9dbfa7433464b6979b91ef9d3de604de23d40fc286fb20a22101760e26ebc
SHA1 hash: 88cd9c12c393a052a25cc15fcc328e5cb2ffb7b7
MD5 hash: 6aeed3653a5f0b56b023a9ff43c2430b
humanhash: jig-one-freddie-robert
File name:RFQ PDSK20204247.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:585'728 bytes
First seen:2020-07-28 13:09:18 UTC
Last seen:2020-07-28 14:07:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:56gKAYOXkJL8EAPedLJwQi7mvowcozJFKf:lKAHXiVxJLG9ozJkf
Threatray 10'654 similar samples on MalwareBazaar
TLSH 2DC4F00066585B1BC36B9AB53063C0F01227E489EB61DE7B5D8FE0A718E26FD79C3653
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: "Sathishkumar Rajenthiran" <sathishumar.rajennthiran@heirsco.com>
Reply-To: sathishumar.rajennthiran@heirsco.com
Subject: RFQ / PDSK/2020/4247
Attachment: RFQ PDSK20204247.7Z (contains "RFQ PDSK20204247.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/33649/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52692.13487.31572.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/400321
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Multi AV Scanner detection for submitted 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)
Sigma detected: Capture Wi-Fi password
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252511 Sample: RFQ  PDSK20204247.exe Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 35 g.msn.com 2->35 41 Found malware configuration 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Sigma detected: Capture Wi-Fi password 2->45 47 7 other signatures 2->47 9 RFQ  PDSK20204247.exe 3 2->9         started        12 LKUgjc.exe 2 2->12         started        14 LKUgjc.exe 1 2->14         started        16 wuapihost.exe 2->16         started        signatures3 process4 file5 33 C:\Users\user\...\RFQ  PDSK20204247.exe.log, ASCII 9->33 dropped 18 RegSvcs.exe 2 4 9->18         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        process6 dnsIp7 37 smtp.yandex.ru 77.88.21.158, 49739, 587 YANDEXRU Russian Federation 18->37 39 smtp.yandex.com 18->39 31 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 18->31 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->51 53 Tries to steal Mail credentials (via file access) 18->53 55 5 other signatures 18->55 27 netsh.exe 3 18->27         started        file8 signatures9 process10 process11 29 conhost.exe 27->29         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be90335c4096906dba92f3f53fa540505ebcd8b1d08ff16ad89542cf2e170d4e/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 13:11:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2idgxcas2ig3ous6p2t7jkakbplzwfr2ch7c2wysvbm6lqxbvha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'644 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware persistence keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200728-8gkrpb7y66/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies service
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
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/be90335c4096906dba92f3f53fa540505ebcd8b1d08ff16ad89542cf2e170d4e

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

7z 30cd30cc663616c9c6de03b7a13cecf8485301c4ad02dc7392174ce44b4f7d04

AgentTesla

Executable exe be90335c4096906dba92f3f53fa540505ebcd8b1d08ff16ad89542cf2e170d4e

(this sample)

  
Dropped by
MD5 16effc5575597db34805496183bf6858
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 30cd30cc663616c9c6de03b7a13cecf8485301c4ad02dc7392174ce44b4f7d04
Cape
Cape
https://www.capesandbox.com/analysis/33649/

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