MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff9861dd2b7ce7f396ecbcbbdbff007827a32740243b1b3a848c2566ab32fa59. 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: ff9861dd2b7ce7f396ecbcbbdbff007827a32740243b1b3a848c2566ab32fa59
SHA3-384 hash: 32963be8aac92091107d13943bbb816d9703c338d14ede528c68851b7da5ca75cef59a525cbf798ce1c0fd81833bc408
SHA1 hash: 124352d31ef4ed05ab635547411ac5b289436e82
MD5 hash: 155a75309ad06dedce76ae4473efba80
humanhash: neptune-carolina-texas-kilo
File name:TDI2005-0069.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:734'208 bytes
First seen:2020-08-03 15:05:10 UTC
Last seen:2020-08-03 16:03:12 UTC
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:LryYk6PQ2R82CC0mR36j9BdFjNE+FZ7y5r8dAcav/fOwMAeuWHfnil:Q6n4ZjNEW7y5IqcacuWv
Threatray 10'878 similar samples on MalwareBazaar
TLSH BCF4CF6C3BE0851AF56A4FBE5D3251029D34F84BA92BF38F25F5122C447A39CAC41F66
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.jetsd.live
Sending IP: 176.119.30.85
From: Astrid van Effrink <aveffrink@idafoundation.org>
Subject: TDI2005-0069
Attachment: TDI2005-0069.gz (contains "TDI2005-0069.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37999/
Detection(s):
SecuriteInfo.com.Fareit-FXU155A75309AD0.24265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/408178
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Capture Wi-Fi password
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 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 dnsIp2 2 Behavior Graph ID: 256327 Sample: TDI2005-0069.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 60 smtp.greenslr.com 2->60 62 us2.smtp.mailhostbox.com 2->62 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Sigma detected: Capture Wi-Fi password 2->68 70 9 other signatures 2->70 9 TDI2005-0069.exe 7 2->9         started        13 uEtmoKl.exe 3 2->13         started        15 uEtmoKl.exe 2 2->15         started        signatures3 process4 file5 48 C:\Users\user\AppData\...\&startupname&.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\Local\...\tmpF5B2.tmp, XML 9->50 dropped 52 C:\...\&startupname&.exe:Zone.Identifier, ASCII 9->52 dropped 54 C:\Users\user\...\TDI2005-0069.exe.log, ASCII 9->54 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->84 86 Contains functionality to register a low level keyboard hook 9->86 17 TDI2005-0069.exe 2 6 9->17         started        22 schtasks.exe 1 9->22         started        24 TDI2005-0069.exe 9->24         started        26 TDI2005-0069.exe 9->26         started        88 Machine Learning detection for dropped file 13->88 90 Injects a PE file into a foreign processes 13->90 28 uEtmoKl.exe 13->28         started        30 uEtmoKl.exe 13->30         started        32 uEtmoKl.exe 13->32         started        34 uEtmoKl.exe 15->34         started        36 uEtmoKl.exe 15->36         started        signatures6 process7 dnsIp8 56 smtp.greenslr.com 17->56 58 us2.smtp.mailhostbox.com 208.91.199.223, 49735, 49748, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->58 44 C:\Users\user\AppData\Roaming\...\uEtmoKl.exe, PE32 17->44 dropped 46 C:\Users\user\...\uEtmoKl.exe:Zone.Identifier, ASCII 17->46 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->72 74 Tries to steal Mail credentials (via file access) 17->74 76 Tries to harvest and steal ftp login credentials 17->76 80 3 other signatures 17->80 38 netsh.exe 3 17->38         started        40 conhost.exe 22->40         started        78 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->78 file9 signatures10 process11 process12 42 conhost.exe 38->42         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff9861dd2b7ce7f396ecbcbbdbff007827a32740243b1b3a848c2566ab32fa59/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 15:07:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=76mgdxjlptt7hfxmxs55x7yapat2gj2aeq5rwouerqswnkzs7jmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'868 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/200803-y2zd1m6glx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla Payload
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/ff9861dd2b7ce7f396ecbcbbdbff007827a32740243b1b3a848c2566ab32fa59

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 dbbd319805654efc8f330163e7a388d47cc21aee163696e6c73d81a742725ee6

AgentTesla

Executable exe ff9861dd2b7ce7f396ecbcbbdbff007827a32740243b1b3a848c2566ab32fa59

(this sample)

  
Dropped by
MD5 f7bf32b0359c679529100c67f1adc52e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 dbbd319805654efc8f330163e7a388d47cc21aee163696e6c73d81a742725ee6
Cape
Cape
https://www.capesandbox.com/analysis/37999/

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