MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6ec5c176dc1ff21eb3204c10b6de79efaf73fa0dcdc7e7545d979a5d6eb503a. 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


Intelligence 8 File information Yara 3 Comments

SHA256 hash: d6ec5c176dc1ff21eb3204c10b6de79efaf73fa0dcdc7e7545d979a5d6eb503a
SHA3-384 hash: c2208750cb08f97ecaec1a26213a96c34b5106e94590d9cbbaa640d7cbfa92aa3a3c80c035cac651c480dba43f9839cd
SHA1 hash: b0a27c8bf5d1c4dd128dba9393442645431a144d
MD5 hash: 42fc3e5c8fae53cd62970eb83c25a00b
humanhash: alaska-alaska-network-blossom
File name:SecuriteInfo.com.Trojan.PWS.Spy.21473.22818.21231
Download: download sample
Signature AgentTesla
File size:564'224 bytes
First seen:2020-08-02 04:28:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 6144:H+fUYeG3jMH0ewxxv/nmyRw6TBvQXeNPINGWV7yFOU4NHXir5Gv0uRWa0Bb2R+qr:HIxbJsVGkk4NHXmGbcJBxVYbfCvp
TLSH 3EC48C10E7F84AD5E3BA57BCE871011087B4B90AA7EAE7591B91F0ED1862710CB13F67
Reporter @SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
FR FR
Mail intelligence
No data
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
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
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255776 Sample: SecuriteInfo.com.Trojan.PWS... Startdate: 02/08/2020 Architecture: WINDOWS Score: 92 28 Found malware configuration 2->28 30 Yara detected AgentTesla 2->30 6 nwama.exe 6 2->6         started        9 SecuriteInfo.com.Trojan.PWS.Spy.21473.22818.exe 7 2->9         started        11 nwama.exe 5 2->11         started        process3 signatures4 32 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->32 34 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->34 36 Injects a PE file into a foreign processes 6->36 13 nwama.exe 4 6->13         started        17 SecuriteInfo.com.Trojan.PWS.Spy.21473.22818.exe 2 7 9->17         started        20 nwama.exe 4 11->20         started        process5 dnsIp6 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->38 40 Tries to steal Mail credentials (via file access) 13->40 42 Tries to harvest and steal ftp login credentials 13->42 44 Tries to harvest and steal browser information (history, passwords, etc) 13->44 26 bh-58.webhostbox.net 199.79.63.24, 49744, 49747, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->26 22 C:\Users\user\AppData\Local\...\nwama.exe, PE32 17->22 dropped 24 C:\Users\user\...\nwama.exe:Zone.Identifier, ASCII 17->24 dropped 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->46 48 Installs a global keyboard hook 17->48 file7 signatures8
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-22 02:17:41 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Behaviour
Suspicious use of SetWindowsHookEx
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 web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla

Yara Signatures


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.

Web download

AgentTesla

Executable exe d6ec5c176dc1ff21eb3204c10b6de79efaf73fa0dcdc7e7545d979a5d6eb503a

(this sample)

  
Delivery method
Distributed via web download

Comments