MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fea2daa93a1be4749ddb395faf2b56539f8957222ba4881bafac4e4c9670aac. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2fea2daa93a1be4749ddb395faf2b56539f8957222ba4881bafac4e4c9670aac
SHA3-384 hash: 14eda576b9b89ccea4f845dca31ddfa2a5cc6c13b9c007f63fbdc25af1853cbbe83e7a7ef5162aee8e20d00f54aece06
SHA1 hash: 99c6426a62e3838e472ca224ebe845c8e1288d16
MD5 hash: 087ce67fd4e64b4abb55f310e8535eb4
humanhash: michigan-jig-lemon-item
File name:XxQQxiatVhWXKPN.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:444'416 bytes
First seen:2020-08-08 08:14:30 UTC
Last seen:2020-08-08 08:54:30 UTC
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:L4MYfdyANgk64jwc/voBu9z6w6BVqGjWXMacRRnwngrpiA:0MIdN164jho4zyfqGytcvwgQA
Threatray 10'645 similar samples on MalwareBazaar
TLSH 649402AC5ABDAF79CAED07F864CE31016738E4126783E7496E4738FA306275006D47E6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: serve0.hshgroups.co
Sending IP: 104.168.166.26
From: "Lili Wang" <info@hshgroups.co>
Reply-To: raymondjeffery316@gmail.com
Subject: Re: Order List
Attachment: Company Brochure.arj (contains "XxQQxiatVhWXKPN.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42083/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader34.18893.14451.2115.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/415741
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates executable files without a name
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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 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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260119 Sample: XxQQxiatVhWXKPN.exe Startdate: 08/08/2020 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Yara detected AgentTesla 2->55 57 Yara detected AntiVM_3 2->57 59 3 other signatures 2->59 6 XxQQxiatVhWXKPN.exe 3 2->6         started        10 .exe 3 2->10         started        12 .exe 2 2->12         started        process3 file4 29 C:\Users\user\...\XxQQxiatVhWXKPN.exe.log, ASCII 6->29 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->63 65 Injects a PE file into a foreign processes 6->65 67 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->67 14 XxQQxiatVhWXKPN.exe 2 6 6->14         started        19 XxQQxiatVhWXKPN.exe 6->19         started        69 Machine Learning detection for dropped file 10->69 71 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 10->71 21 .exe 4 10->21         started        23 .exe 10->23         started        25 .exe 12->25         started        27 .exe 12->27         started        signatures5 process6 dnsIp7 35 mail.sardaplywood.com 72.52.178.59, 49748, 49749, 587 LIQUIDWEBUS United States 14->35 37 192.168.2.1 unknown unknown 14->37 31 C:\Users\user\AppData\Roaming\.exe, PE32 14->31 dropped 33 C:\Users\user\...\.exe:Zone.Identifier, ASCII 14->33 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Moves itself to temp directory 14->41 43 Tries to steal Mail credentials (via file access) 14->43 45 Creates executable files without a name 14->45 47 Tries to harvest and steal ftp login credentials 21->47 49 Tries to harvest and steal browser information (history, passwords, etc) 21->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->51 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2fea2daa93a1be4749ddb395faf2b56539f8957222ba4881bafac4e4c9670aac/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-08 01:05:47 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f7vc3kutug7eoso5wok7v4vvmu47rflsek5eran27lcojslhbkwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'635 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200808-z19wd41bn6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2fea2daa93a1be4749ddb395faf2b56539f8957222ba4881bafac4e4c9670aac

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

arj c9d8cd7558fffa58e1f1b9519b7443ab4c5b7a42152b209f74caf54c9b0c3d66

AgentTesla

Executable exe 2fea2daa93a1be4749ddb395faf2b56539f8957222ba4881bafac4e4c9670aac

(this sample)

  
Dropped by
MD5 11871c67beef448a125fdffabdcab18b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42083/
  
Dropped by
SHA256 c9d8cd7558fffa58e1f1b9519b7443ab4c5b7a42152b209f74caf54c9b0c3d66

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