MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4363d2320266f58ce9011c5ed32b16429156d92762ed01843f57eb02bd71aa22. 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: 4363d2320266f58ce9011c5ed32b16429156d92762ed01843f57eb02bd71aa22
SHA3-384 hash: e99c44f78d1e4bc58fb753722bcfa905dad2adb1b644caf1ea758906afc06c3c4e7b8c5214a9857fbba129d1eb20013c
SHA1 hash: 4c62c7ede992517a58daafe35367cb1c2f8b74e1
MD5 hash: 64231b9e4dae263a4b0d5c46afe46bc1
humanhash: texas-apart-diet-sierra
File name:Bank Account details.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:774'144 bytes
First seen:2020-08-14 15:39:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:FT2Zf1kGO/t8XB/v3rzFS69VtR6F4gS3gFLpR0xSu:yiGO18R/v33bRNgS3kP0
Threatray 10'276 similar samples on MalwareBazaar
TLSH DEF4F17F62F2D90EC03BF13D8166D056B2D39C5608A6C70ABE9C2ED90E3269A1557CF4
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: properso.com
Sending IP: 62.210.157.138
From: Mahmoud Nasr <mahmoud.nasr@cibeg.com>
Subject: payment details
Attachment: Bank Account details.rar (contains "Bank Account details.exe")

AgentTesla SMTP exfil server:
mail.tejoofashions.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46054/
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
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/430275
Signature
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267536 Sample: Bank Account details.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 7 other signatures 2->53 8 Bank Account details.exe 7 2->8         started        12 jIxVtUg.exe 2 2->12         started        14 jIxVtUg.exe 1 2->14         started        process3 file4 37 C:\Users\user\AppData\Roaming\ILqQmJhBv.exe, PE32 8->37 dropped 39 C:\Users\...\ILqQmJhBv.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmpBEA6.tmp, XML 8->41 dropped 43 C:\Users\...\Bank Account details.exe.log, ASCII 8->43 dropped 63 Writes to foreign memory regions 8->63 65 Injects a PE file into a foreign processes 8->65 16 RegSvcs.exe 2 4 8->16         started        21 schtasks.exe 1 8->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        signatures5 process6 dnsIp7 45 mail.tejoofashions.com 148.66.138.106, 49727, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 16->45 33 C:\Users\user\AppData\Roaming\...\jIxVtUg.exe, PE32 16->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 16->35 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->57 59 Tries to steal Mail credentials (via file access) 16->59 61 5 other signatures 16->61 27 reg.exe 1 16->27         started        29 conhost.exe 21->29         started        file8 signatures9 process10 process11 31 conhost.exe 27->31         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4363d2320266f58ce9011c5ed32b16429156d92762ed01843f57eb02bd71aa22/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 15:41:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=inr5emqcm32yz2ibdrpngkywikivnwjhmlwqdbb7k7vqfplrvira._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'266 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200814-1ar65yyegj/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4363d2320266f58ce9011c5ed32b16429156d92762ed01843f57eb02bd71aa22

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

rar 991a9408b15bec9a534018b66b5f6df88378ce97978e126eefb1ac4838a360cd

AgentTesla

Executable exe 4363d2320266f58ce9011c5ed32b16429156d92762ed01843f57eb02bd71aa22

(this sample)

  
Dropped by
MD5 20c7f9f627953822329995435ed44e31
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 991a9408b15bec9a534018b66b5f6df88378ce97978e126eefb1ac4838a360cd
Cape
Cape
https://www.capesandbox.com/analysis/46054/

Comments