MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5220d301d37cfd6af5ae073de240fd781669ce08436115e1176ec475d7fc9c57. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 5220d301d37cfd6af5ae073de240fd781669ce08436115e1176ec475d7fc9c57
SHA3-384 hash: be8d3c19b07560830107de7fbec3bd02b8443245e55e3f4270b61aa0a72ec637904b890debb20305ec2e7fb96ffb6203
SHA1 hash: 34b2a7d8ca0541ddafea014c50992f3e9b43c57b
MD5 hash: bd860144f4ae15224e28a1a0334dd51a
humanhash: neptune-fish-kansas-cola
File name:OILMARKTL QUOTATION.exe
Download: download sample
Signature AgentTesla
File size:638'976 bytes
First seen:2020-08-31 09:24:42 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:Jc17Iy1m3iAdGHJGI8UYBVYoDzdIFIJ8oGtkQbedTQIYEOiADiDC60hp7o6T+oN5:SV5+i3HJGI8PBkFoA5edTQIYEO
Threatray 83 similar samples on MalwareBazaar
TLSH 2FD42221226D9BA5CAFB0EF6045D7825C3B4902B596CE6CD8DE072D652F33C45332E67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gains.hificlouds.com
Sending IP: 131.153.48.114
From: ME <sales@oilmarkntl.com>
Subject: RE:OILMARK - INSTRUMENTATION-ELECTRICAL-SAFETY-AUTOMATION SUPPLIER **(QUOTATION)**
Attachment: OILMARKTL QUOTATION.zip (contains "OILMARKTL QUOTATION.exe")

AgentTesla SMTP exfil server:
smtp.ritac-eg.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279952 Sample: OILMARKTL QUOTATION.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 10 other signatures 2->68 8 OILMARKTL QUOTATION.exe 4 2->8         started        12 WCPCe.exe 3 2->12         started        14 WCPCe.exe 2 2->14         started        process3 dnsIp4 46 C:\Users\user\AppData\...\YoFHOLJxmChHyR.exe, PE32 8->46 dropped 48 C:\Users\user\AppData\Local\...\tmp38A8.tmp, XML 8->48 dropped 50 C:\Users\user\...\OILMARKTL QUOTATION.exe.log, ASCII 8->50 dropped 82 Injects a PE file into a foreign processes 8->82 17 OILMARKTL QUOTATION.exe 2 5 8->17         started        22 schtasks.exe 1 8->22         started        84 Multi AV Scanner detection for dropped file 12->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->88 24 WCPCe.exe 12->24         started        26 schtasks.exe 1 12->26         started        60 192.168.2.1 unknown unknown 14->60 28 schtasks.exe 14->28         started        file5 signatures6 process7 dnsIp8 52 smtp.ritac-eg.com 17->52 54 us2.smtp.mailhostbox.com 208.91.199.224, 49736, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->54 40 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 17->40 dropped 42 C:\Windows\System32\drivers\etc\hosts, ASCII 17->42 dropped 44 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 17->44 dropped 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->70 72 Tries to steal Mail credentials (via file access) 17->72 74 Modifies the hosts file 17->74 30 reg.exe 17->30         started        32 conhost.exe 22->32         started        56 208.91.198.143, 49750, 587 PUBLIC-DOMAIN-REGISTRYUS United States 24->56 58 smtp.ritac-eg.com 24->58 76 Tries to harvest and steal ftp login credentials 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->80 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file9 signatures10 process11 process12 38 conhost.exe 30->38         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-31 03:10:50 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
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 5220d301d37cfd6af5ae073de240fd781669ce08436115e1176ec475d7fc9c57

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments