MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 015f0cf04ffdca8141fd57bc67848a21dc11ab2fda0a91627f6deddcde2c0ca9. 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: 015f0cf04ffdca8141fd57bc67848a21dc11ab2fda0a91627f6deddcde2c0ca9
SHA3-384 hash: 5f874dd09b7453c840c1925a4705f55b83f42f7cc99d4e0d049caa5e87f2654bd553c8402ca30cfff5774df6878ce6b6
SHA1 hash: f74e18edb4a07b4e5edb55d769c312c1186225de
MD5 hash: cfc470b00161866eb11edce78e53ee56
humanhash: hawaii-carbon-jig-lactose
File name:cfc470b00161866eb11edce78e53ee56.exe
Download: download sample
Signature AgentTesla
File size:1'243'648 bytes
First seen:2020-08-19 12:32:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:D2ruLxjlaqHqQ9fB4947gHuStefVnM5smgYp:DFjJKQ96egHteVM5sR
Threatray 10'587 similar samples on MalwareBazaar
TLSH 5F45D729674154D5DA3C8A70306449D3633A7DCE3B1ACB3E69DE36E8DE3319A361D0CA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
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: Add file from suspicious location to autostart registry
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271461 Sample: 1ZFRd7rX8b.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 88 37 Yara detected AgentTesla 2->37 39 Sigma detected: Add file from suspicious location to autostart registry 2->39 41 .NET source code contains very large array initializations 2->41 7 1ZFRd7rX8b.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\hldoj.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->31 dropped 33 C:\Users\user\...\hldoj.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 7->35 dropped 49 Tries to detect virtualization through RDTSC time measurements 7->49 15 hldoj.exe 2 7->15         started        18 cmd.exe 1 7->18         started        20 hldoj.exe 3 11->20         started        signatures5 process6 signatures7 51 Writes to foreign memory regions 15->51 53 Allocates memory in foreign processes 15->53 55 Injects a PE file into a foreign processes 15->55 22 InstallUtil.exe 2 15->22         started        25 reg.exe 1 1 18->25         started        27 conhost.exe 18->27         started        57 Tries to detect virtualization through RDTSC time measurements 20->57 process8 signatures9 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->45 47 Creates an autostart registry key pointing to binary in C:\Windows 25->47
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-18 12:48:39 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
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.

Web download

AgentTesla

Executable exe 015f0cf04ffdca8141fd57bc67848a21dc11ab2fda0a91627f6deddcde2c0ca9

(this sample)

  
Delivery method
Distributed via web download

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