MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5b4a1aa53134e93a392b7b90cc7c5d4a939d4f61bdf330de08d49fa1b4356ed. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5b4a1aa53134e93a392b7b90cc7c5d4a939d4f61bdf330de08d49fa1b4356ed
SHA3-384 hash: 94e62ad7f962032e2f0af2143c17f7add02aedb865f9f009905735d47d2aa9563735aa8e7a1809095123ff10a55c3189
SHA1 hash: ff4b862ae1f42667734814f42585dc0255f10028
MD5 hash: 8a00d03da91e1049ec13cdf6e8c52970
humanhash: may-uncle-fix-eleven
File name:list items.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:15'360 bytes
First seen:2021-02-16 14:41:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:pKcXbD6Kpku9OXqhzyTquuYHKix1ebl6:AcLDBkTozyTqmTu
Threatray 2'753 similar samples on MalwareBazaar
TLSH 2E62B60DAA8E1B32D755573389EF43C707F8A5422D32CA6FAAC9E30298DA414DE11667
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
DLAgent06
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117358/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a file
Running batch commands
Sending a UDP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Using the Windows Management Instrumentation requests
Setting a single autorun event
Adding exclusions to Windows Defender
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/609090
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Binary contains a suspicious time stamp
Contains functionality to hide a thread from the debugger
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops executables to the windows directory (C:\Windows) and starts them
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353578 Sample: list items.exe Startdate: 16/02/2021 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 10 other signatures 2->69 7 list items.exe 29 17 2->7         started        12 explorer.exe 2->12         started        14 cmd.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 61 185.239.242.107, 49710, 49717, 49718 CLOUDIE-AS-APCloudieLimitedHK Moldova Republic of 7->61 53 C:\Windows\Web\Wallpaper\...\dcdbccbeba.exe, PE32 7->53 dropped 55 C:\Windows\Resources\...\fceedefcac.exe, PE32 7->55 dropped 57 C:\Windows\Resources\...\RANDOM_STRING.exe, PE32 7->57 dropped 59 10 other malicious files 7->59 dropped 77 Creates autostart registry keys with suspicious names 7->77 79 Creates multiple autostart registry keys 7->79 81 Creates an autostart registry key pointing to binary in C:\Windows 7->81 85 3 other signatures 7->85 18 cmd.exe 7->18         started        20 powershell.exe 18 7->20         started        22 powershell.exe 10 7->22         started        35 7 other processes 7->35 83 Drops executables to the windows directory (C:\Windows) and starts them 12->83 24 ebefbeeebc.exe 12->24         started        27 conhost.exe 14->27         started        29 explorer.exe 14->29         started        31 conhost.exe 16->31         started        33 explorer.exe 16->33         started        file5 signatures6 process7 signatures8 37 conhost.exe 18->37         started        39 timeout.exe 18->39         started        41 conhost.exe 20->41         started        43 conhost.exe 22->43         started        71 Multi AV Scanner detection for dropped file 24->71 73 Machine Learning detection for dropped file 24->73 75 Hides threads from debuggers 24->75 45 conhost.exe 35->45         started        47 conhost.exe 35->47         started        49 conhost.exe 35->49         started        51 2 other processes 35->51 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5b4a1aa53134e93a392b7b90cc7c5d4a939d4f61bdf330de08d49fa1b4356ed/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-16 13:04:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uw2kdkstcnhjhi4sw64qzr6f2suttvhwdpptgdparve7ug2dk3wq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
3e81cacf8070232edbe7c2443a72df9d59d4631b8d74a0d513aa535bef475a02
AgentTesla
636e96438bf8b2c34f6d80f0030c5b3b93029d13bdbb892a75e3d26942c80b46
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7047ffe9f593c5caf62a74b731651ec92da3b5b29df4d042b935d10b29f49e85
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aa1f92f9ec704b3f621775a4d4e5729e7fe710b84ab60eda7ff60fe869385fe3
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abe6a77fefdede7de287d151689f87a3f59eb496d94351f4085b3bc1a6b755c2
AgentTesla
efc33e49a1f2bb8a2caf20a3609c44170c3739c90c1e2f4f236961e13279a3b3
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f45d2efc6e407a17cbe129622fddf8a26e108d39f5fd05a164525d95ad8a3218
AgentTesla
f90cf6686fcfe69bb074cf65a5b7e19c8e97b1351377faa7a2477577d4171de8
AgentTesla
fc40429e1461e2cc002fdb2b131ca7eadd4f3a688a24130197667c3493213986
AgentTesla
+ 2'743 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210216-w95cxyk7jx/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
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
Windows security modification
AgentTesla
Windows security bypass
Unpacked files
SH256 hash:
a5b4a1aa53134e93a392b7b90cc7c5d4a939d4f61bdf330de08d49fa1b4356ed
MD5 hash:
8a00d03da91e1049ec13cdf6e8c52970
SHA1 hash:
ff4b862ae1f42667734814f42585dc0255f10028
Link:
https://www.unpac.me/results/50a303a2-0bc7-4e58-b233-9c3ab2645290/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a5b4a1aa53134e93a392b7b90cc7c5d4a939d4f61bdf330de08d49fa1b4356ed

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/117358/

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