MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb. 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: 67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb
SHA3-384 hash: faebee4d01264d878abeaabd8caa2b2d5ed7e1cbeff0c0742922c21f09714a38799ef26ca4aad3eb57816b1d4053ac80
SHA1 hash: 5e8240dadd5cb15c6f163233e973fc38a862cb3c
MD5 hash: 5d89ac5a16a8da66a29e2492f314b08e
humanhash: august-spring-hawaii-enemy
File name:PI#203498.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:520'704 bytes
First seen:2020-08-17 06:29:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:jK4EcmZHAFaxmVmie9bngP0ZrhbTs496nXerEvQvM6l5SswiQHuNBmTJfxQmZVof:jK4EcmZHAFaxmVmie9bngP0jJ9uOAgM6
Threatray 10'637 similar samples on MalwareBazaar
TLSH 2CB46B4938C0D3EDD8E65FB9D404ACF527A22F1AC116A90B98FB3D9073F9BC29D01956
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: nanogenpharma.com
Sending IP: 37.48.85.223
From: Jessica Cheng<hienntt@nanogenpharma.com>
Subject: RFQ: PI#203498
Attachment: PI203498.pdf.gz (contains "PI#203498.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46675/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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 by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/432616
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 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 steal Mail credentials (via file access)
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: 268585 Sample: PI#203498.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Yara detected AgentTesla 2->37 39 5 other signatures 2->39 7 PI#203498.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\UENTKEiXhThe.exe, PE32 7->19 dropped 21 C:\Users\...\UENTKEiXhThe.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp64CA.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\PI#203498.exe.log, ASCII 7->25 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Injects a PE file into a foreign processes 7->45 47 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->47 11 PI#203498.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49737, 587 YANDEXRU Russian Federation 11->27 29 192.168.2.1 unknown unknown 11->29 31 smtp.yandex.com 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 02:09:58 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m74vsahjjlwyjs2qwnmx35fysjypvi5sh7ymtrxleomow2oas25q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'627 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200817-wqemqdxces/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb

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 ea4a2218465db6bf50cbfe92ce68ad8b8227a6888b4a9e1487c7aaa127dc41bb

AgentTesla

Executable exe 67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb

(this sample)

  
Dropped by
MD5 505dcf267dbd3a947db1bbdb73b7216b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ea4a2218465db6bf50cbfe92ce68ad8b8227a6888b4a9e1487c7aaa127dc41bb
Cape
Cape
https://www.capesandbox.com/analysis/46675/

Comments