MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7990e636a24b5ae04b8ce433cdcb9ce20d47e60ccca30e6ee5622827a4d67f51. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 7990e636a24b5ae04b8ce433cdcb9ce20d47e60ccca30e6ee5622827a4d67f51
SHA3-384 hash: a73d33061b4eb04bb45a733912a755404d773914ae88ded274dc0971294bc65177bdec674eb89f7762c3e587e2b3b38a
SHA1 hash: f5842b1be098fb183fdd9636a37811809f3bc413
MD5 hash: 1f27e16d8c7807be141a490838a8c7f3
humanhash: jig-item-pip-steak
File name:New-Order-876543_Request-Pdf.exe
Download: download sample
Signature AgentTesla
File size:505'856 bytes
First seen:2020-07-22 08:15:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lNHr2tJzPUm2iNSyeoeRosyQfo50mIBZK1ogoa:lEzcm1PeTosHfovIBlK
Threatray 10'642 similar samples on MalwareBazaar
TLSH 17B4DF14EBB48AEAE7580BB6E0229054ABB16D0EB7E6D70D6F45F0DC09327815713F1B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: m-out2.thekking.is
Sending IP: 217.171.209.24
From: Contact <ntv@thekking.is>
Subject: Re:Re: New Items-...Selected---(PI,Pls
Attachment: New-Order-876543_Request-Pdf.lzh (contains "New-Order-876543_Request-Pdf.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET 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
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249749 Sample: New-Order-876543_Request-Pdf.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 4 other signatures 2->35 7 New-Order-876543_Request-Pdf.exe 5 2->7         started        process3 file4 21 C:\Users\user\AppData\...\VtHxwJCaUez.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpC3C8.tmp, XML 7->23 dropped 25 C:\...25ew-Order-876543_Request-Pdf.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 43 Injects a PE file into a foreign processes 7->43 11 New-Order-876543_Request-Pdf.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 New-Order-876543_Request-Pdf.exe 7->17         started        signatures5 process6 dnsIp7 27 mail.privateemail.com 198.54.122.60, 49716, 587 NAMECHEAP-NETUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 19 conhost.exe 15->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-22 08:17:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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 7990e636a24b5ae04b8ce433cdcb9ce20d47e60ccca30e6ee5622827a4d67f51

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments