MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16b640035421f4d02280a93e7eb442c0a6e933b34eb56b7a65365b154cbe7dbe. 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: 16b640035421f4d02280a93e7eb442c0a6e933b34eb56b7a65365b154cbe7dbe
SHA3-384 hash: 5832cfce2bbefe4a85e99a2a48b56d22ed929d8c6b4371ebb530044bb6e523ecb09c1cc9add5ac26ac49225a3a5a6406
SHA1 hash: 476f222ec504cfe5bd6753a4e842edfa4b057ab9
MD5 hash: e80127d7e94474e0e5d135066872ea81
humanhash: potato-louisiana-charlie-connecticut
File name:MV_NAVIOSRAYpdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:649'216 bytes
First seen:2020-07-29 11:11:11 UTC
Last seen:Never
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:cU0g6sAIpQVgprqUmZFn8xPR7Sh9tuxkYRVYN9tQXfCTfiZE1C:F0Qp+gprCZFn8RRi9tuxfYQXfCrwH
Threatray 10'613 similar samples on MalwareBazaar
TLSH 65D4C059B6B1ED1AC2BE4135E1DD1118CFFCC183A23BE306685796FB1ACB3A2DA41171
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: toi27.localdomain
Sending IP: 45.127.62.50
From: Wayde Wang (Mr) <kiehn@cam.com>
Subject: Re: 回复: agent nomination/fangcheng//20I-VC-BN47//MV NAVIOS RAY V01
Attachment: MV_NAVIOSRAY.pdf.arj (contains "MV_NAVIOSRAYpdf.exe")

AgentTesla SMTP exfil server:
secure231.servconfig.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34789/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/402339
Signature
Found malware configuration
Injects a PE file into a foreign processes
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
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253528 Sample: MV_NAVIOSRAYpdf.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Sigma detected: Capture Wi-Fi password 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 6 other signatures 2->38 8 MV_NAVIOSRAYpdf.exe 5 2->8         started        process3 file4 26 C:\Users\user\AppData\Local\...\tmpD19B.tmp, XML 8->26 dropped 28 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->28 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->42 44 Injects a PE file into a foreign processes 8->44 12 MV_NAVIOSRAYpdf.exe 3 8->12         started        16 schtasks.exe 1 8->16         started        18 MV_NAVIOSRAYpdf.exe 8->18         started        signatures5 process6 dnsIp7 30 secure231.servconfig.com 198.46.81.61, 49700, 587 INMOTI-1US United States 12->30 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file access) 12->48 50 Tries to harvest and steal ftp login credentials 12->50 52 2 other signatures 12->52 20 netsh.exe 3 12->20         started        22 conhost.exe 16->22         started        signatures8 process9 process10 24 conhost.exe 20->24         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/16b640035421f4d02280a93e7eb442c0a6e933b34eb56b7a65365b154cbe7dbe/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 11:13:05 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c23eaa2ueh2naiuave7h5nccyctosm5tj22ww6tfgznrktf6pw7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'603 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/200729-hejxwnvvcn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP 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/16b640035421f4d02280a93e7eb442c0a6e933b34eb56b7a65365b154cbe7dbe

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 eeff507400372a416a8115c24438df82c39d7e500582e8c978b4ce729f8bb9ca

AgentTesla

Executable exe 16b640035421f4d02280a93e7eb442c0a6e933b34eb56b7a65365b154cbe7dbe

(this sample)

  
Dropped by
MD5 5ff0931e7415967430c614f884442eb7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34789/
  
Dropped by
SHA256 eeff507400372a416a8115c24438df82c39d7e500582e8c978b4ce729f8bb9ca

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