MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ebb40a8e6c849eba2cfeca432fca016f3b887e93c077fa7a8f7044c0a48ec70. 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: 2ebb40a8e6c849eba2cfeca432fca016f3b887e93c077fa7a8f7044c0a48ec70
SHA3-384 hash: 8ec2aff99833955bcbe63eea9fa1f51f0d90dfd993f899946ff1f1cf75463bf8e040a5f550be73084797ff377c00e815
SHA1 hash: e23151fa787508741835a99e0d89055210fc0bea
MD5 hash: 5801bc5d4b611e5c025011b4ccf5a1e2
humanhash: washington-high-single-sixteen
File name:Request For Quotations.exe
Download: download sample
Signature AgentTesla
File size:912'384 bytes
First seen:2020-10-06 06:12:21 UTC
Last seen:2020-10-06 07:23:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+rXfZpCaRyDc1BSz//uSfSdLx2vm+ABbtWO9YRDMDfAUf+eoCyzRE7rK81Bqch/y:6PLCaRyD/GLxaQR2DAfAU
Threatray 10'764 similar samples on MalwareBazaar
TLSH 26158DAD3A507ADFC957CD3ACA586C64EA2064A7530BD203A01316ECAE1DB97DF105F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: jec.qa
Sending IP: 37.48.85.232
From: M.Nazar <m_nazar@jec.qa>
Reply-To: m_nazar@jec.qa
Subject: J-381 (JEM), RFQ, Aluminum Cladding Works for CHW Pipes & Ducts
Attachment: Request For Quotations.rar (contains "Request For Quotations.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Machine Learning detection for sample
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: Capture Wi-Fi password
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
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 293648 Sample: Request For Quotations.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Sigma detected: Capture Wi-Fi password 2->48 50 8 other signatures 2->50 8 Request For Quotations.exe 3 2->8         started        11 LKUgjc.exe 2 2->11         started        13 LKUgjc.exe 1 2->13         started        process3 file4 30 C:\Users\...\Request For Quotations.exe.log, ASCII 8->30 dropped 15 RegSvcs.exe 2 4 8->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        process5 dnsIp6 32 smtp.yandex.ru 77.88.21.158, 49745, 587 YANDEXRU Russian Federation 15->32 34 smtp.yandex.com 15->34 28 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 15->28 dropped 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 5 other signatures 15->42 24 netsh.exe 3 15->24         started        file7 signatures8 process9 process10 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Status:
Malicious
First seen:
2020-10-06 03:11:36 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Modifies service
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2ebb40a8e6c849eba2cfeca432fca016f3b887e93c077fa7a8f7044c0a48ec70
MD5 hash:
5801bc5d4b611e5c025011b4ccf5a1e2
SHA1 hash:
e23151fa787508741835a99e0d89055210fc0bea
SH256 hash:
472504f36bf45aa41a072447c1de0f045d81a5b82b1dca6ce10a7ebcfeeab189
MD5 hash:
b87790149f194aee4a18694c02aedab5
SHA1 hash:
11e3b94781d8c697c7d54ebcdb0dce385553b1aa
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
273ea5b43616c859f9f7b61ce7840e2cc041192102aab83c127b8b3a0efddcd7
MD5 hash:
1613062ffc3782a4b9f8d6fcbb210f14
SHA1 hash:
e1f8dd3fda781dd575a38ef6b406b847e590eb6b
Detections:
win_agent_tesla_w1
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 2ebb40a8e6c849eba2cfeca432fca016f3b887e93c077fa7a8f7044c0a48ec70

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments