MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5da42c518ce35e02d03597851970d1fc15559cf1dc1463ff9239c1f178293886. 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

SHA256 hash: 5da42c518ce35e02d03597851970d1fc15559cf1dc1463ff9239c1f178293886
SHA3-384 hash: 462576387b2ff9868cb889525db63f352ca9925e3b787ccceb9ca3ba8f5a9b18060c70797640f2785ba28228718a9b4f
SHA1 hash: 40386ebe44ba684007aed2a5f15486ebfe2d6e43
MD5 hash: 363d48c4e8e28a34466e0c267f8d92a6
humanhash: quiet-princess-lima-lactose
File name:Bank payment return x.exe
Download: download sample
Signature AgentTesla
File size:734'720 bytes
First seen:2020-09-04 05:33:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:TAzQOhEXLgG75Zp5jQBsWf3ZZbN1L2KBFau+ZfeckUS9AeT+qMTI6XIyw+Ev:ToQ7sANWf3rN1L2KBFsM3iJqv+E
Threatray 9'372 similar samples on MalwareBazaar
TLSH 84F41220336CCB6BE9FD8FFA545E372417B1B4592822F69E8CD324E91943790CA45B27
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
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
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Modifies the hosts file
Multi AV Scanner detection for dropped file
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: 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
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 282325 Sample: Bank payment return x.exe Startdate: 04/09/2020 Architecture: WINDOWS Score: 100 64 smtp.uwcelectric.com 2->64 66 smtp.mailhostbox.com 2->66 68 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->68 70 Found malware configuration 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 9 other signatures 2->74 9 Bank payment return x.exe 6 2->9         started        13 WCPCe.exe 5 2->13         started        15 WCPCe.exe 4 2->15         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\rmDdEA.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\Local\Temp\tmp8E6.tmp, XML 9->56 dropped 58 C:\Users\...\Bank payment return x.exe.log, ASCII 9->58 dropped 86 Injects a PE file into a foreign processes 9->86 17 Bank payment return x.exe 2 5 9->17         started        22 schtasks.exe 1 9->22         started        24 Bank payment return x.exe 9->24         started        88 Multi AV Scanner detection for dropped file 13->88 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->90 92 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->92 26 WCPCe.exe 13->26         started        28 schtasks.exe 13->28         started        30 WCPCe.exe 13->30         started        32 WCPCe.exe 13->32         started        34 schtasks.exe 15->34         started        36 2 other processes 15->36 signatures6 process7 dnsIp8 60 smtp.uwcelectric.com 17->60 62 smtp.mailhostbox.com 162.222.225.58, 49759, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->62 48 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 17->48 dropped 50 C:\Windows\System32\drivers\etc\hosts, ASCII 17->50 dropped 52 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 17->52 dropped 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->76 78 Tries to steal Mail credentials (via file access) 17->78 80 Tries to harvest and steal ftp login credentials 17->80 84 2 other signatures 17->84 38 reg.exe 17->38         started        40 conhost.exe 22->40         started        82 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->82 42 conhost.exe 28->42         started        44 conhost.exe 34->44         started        file9 signatures10 process11 process12 46 conhost.exe 38->46         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-04 04:43:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
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.

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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 5da42c518ce35e02d03597851970d1fc15559cf1dc1463ff9239c1f178293886

(this sample)

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